Operator index for United States of America
Last updated: 8 March 2011
A list of aircraft operators that have that have suffered an accident, serious incident or hijacking. The list may also contain defunct airlines or airlines that in the meantime have changed their name or have merged.

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Transcontinental Aviation Inc.
West Star Aviation
Western Airways Inc.

Airlines:
Aaxico Airlines (Aaxico = American Air Export and Import Company; merged into Saturn)
ABX Air
ACE Air Cargo
Advance Aviation Inc
Aerial Transit Company (presumably ceased operations ca 1991)
Aero Air LLC
Aero Bieke (AOC revoked, August 12, 1997)
Aero Flight Services
Aero Jet Services
Aero Union
Aero Virgin Islands (AVI)
Aeromarine Airways
Aeronaut Air Services
AeroSmith Aviation
Aerovias Sud Americana (sold to Airlift International, 1963)
Air America (Covertly owned and operated by the Central Intelligence Agency (CIA))
Air America Flight Services
Air California (acquired by American Airlines in 1987)
Air Cargo Carriers
Air Cargo Express
Air Cargo Hawaii
Air Cargo Transport
Air Caribbean
Air Carrier Transport
Air Carriers Express Services Inc
Air Carriers Inc.
Air Central
Air Choice One
Air Continental
Air Del
Air East
Air East Management
Air Flamenco
Air Florida
Air Illinois
Air Micronesia (renamed Continental Micronesia)
Air Midwest
Air New England
Air New Orleans
Air North (Yukon Air Service)
Air O'Hare
Air Pacific
Air Pony Express
Air Resorts Airlines
Air Response North (renamed Global Air Response)
Air Saint Thomas (known as Virgin Air until 1984)
Air South (acquired by Florida Airlines)
Air Sunshine
Air Tahoma
Air Traders International
Air Transport Associates (ceased operations, presumably about 1957)
Air Transport International - ATI
Air Transportation
Air Trine Inc (ceased operations, presumably about 1977)
Air US (started as US Aviation, renamed Air US in 1977; renamed Excellair, 1985)
Air Wisconsin (merged with Mississippi Valley Airlines in 1985)
Air-Lift Commuter
Airborne Express (known as Airborne Express since 1980; acquired by DHL in 2003)
Airborne Transport
Aircraft Charter Group Inc
Aircraft Pool Leasing Corp.
Airgo Air Freight
Airlift International (founded as Riddle Airlines; renamed Airlift in 1965)
Airline Transport Carriers
AirNet Systems (renamed AirNet Express after merger with Flight Express)
AirNow
Airstar
AirTran Airways
Airvantage (probably ceased operations about 1996)
Alaska Aeronautical Industries
Alaska Air Taxi
Alaska Airlines
Alaska Central Express
Alaska Coastal-Ellis Airlines (taken over by Alaska Airlines in April 1968)
Alaska International Air (founded as Interior Airways, renamed Markair)
Alaska West Air
Albatross Adventures
All American Airways (founded as All American Aviation; renamed All American Airways in 1949, renamed Allegheny Airlines in 1952, USAir in 1979, and US Airways in 1996)
All West Freight
Allcair Air Transport (ceased operations about 1993)
Allegheny Air Cargo
Allegheny Airlines (founded as All American Aviation; renamed All American Airways in 1949, renamed Allegheny Airlines in 1952, USAir in 1979, and US Airways in 1996)
Allegheny Commuter (became USAir Express)
Allied Air Freight
Aloha Airlines
Aloha IslandAir (known as Princeville Airways until 1987; renamed Island Air 1992)
Alpine Aviation (aka Alpine Air)
Altair Airlines
America West Airlines (merged with US Airways)
America West Express (branded as US Airways Express)
American Air Freight
American Air Network
American Air Transport
American Airlines
American Airways (renamed American Air Lines, 1934)
American Aviation
American Corporate Aviation
American Eagle (A collection of unrelated regional carriers with contracts to carry the American Eagle brand name.)
American Eagle Airlines (Merger between Flagship Airlines, Wings West Airlines and Simmons Airlines to form American Eagle Airlines)
American Export Airlines
American Flyers Airline
American International Airways
American Jet
American Jet International
American Overseas Airlines (merged into Pan American)
American Trans Air
AmericanConnection (previously Trans World Express)
Ameriflight
Ameristar Jet Charter
Arctic Circle Air Service (bought by Era Alaska)
Arctic Guide
Arctic Pacific
Arctic Transportation Services (named Ryan Air until shutdown in 1988; restarted as Arctic Transportation Services and renamed back to Ryan Air, 2010)
Argonaut Airways
Argosy Airlines
Ark-Air Flight Inc.
Arnold Air Service
Arrow Air
Arute International Air
Aspen Airways (acquired by Mesa Airlines and Air Wisconsin)
Aspen Aviation
Associated Air Transport
ASTAR Air Cargo
Atlantic & Pacific Airlines
Atlantic Airmotive
Atlantic Central Airlines
Atlantic City Airlines
Atlantic Coast Airlines (renamed Independence Air, 2004)
Atlantic Southeast Airlines - ASA
Atlas Air
AVAir
Avantair
Avery Aviation
Aviation Charter
Aviation Enterprises
Aviation Jet Charters
Aviation Services
Aviex Jet
Avion Airways
Avjet Corp
Baker Aviation
Balair Inc
Bankair
Bar Harbor Airlines
Barber Aviation
Barckley Airlines
Baron Aviation
Bering Air
Biegert Aviation
BIF Air Inc
Bimini Island Air
Bird & Sons
Bishop Aviation
Bluegrass Aviation Partners
Boeing Air Transport
Bohlke International Airways
Bonanza Air Lines (merged with Pacific Air Lines and West Coast Airlines to form Air West)
Borinquen Air
Bradley Aviation
Braniff International Airways
Britt Airways
Brooks Air Fuel
Bruning Aviation
Burke Air Transport
Burlington Air Express (until 1986 known as Burlington Northern Air Freight; renamed BAX Global in 1997)
Bush Air
Bush Aviation
Business Air Connection
Business Express Airlines (Founded as Atlantic Air in 1982; renamed 1985; operations were transferred to American Eagle 2000)
Business Jet Services
Cable Commuter
California Air Charter (merged in 1971 with United Couriers to form Ameriflight)
California Air Freight
California Air Tours
California Airmotive Corp.
California Arrow Airlines
California Eastern Airways (also referred to as California Eastern Airlines or -Aviation)
Capital Airlines (merged into United Airlines in 1961)
Capitol Airways (also known as Capitol International Airways)
Carib-Air Cargo
Caribair (known as Caribbean Atlantic Airlines until 1948)
Caribbean Air Cargo
Caribbean Air Services
Caribbean Atlantic Airlines (renamed Caribair, 1948)
Caribbean Aviation
Carolina Aircraft Corp.
Carson Helicopters
Cascade Airways
Castle Aviation
Catalina-Vegas Airlines
CCAir (named Sunbird Airlines from 1979 until 1987)
Cen-Tex Airlines
Central Air Services
Central Airlines (Sold and merged into Frontier Airlines on October 1, 1967.)
Central American Airways
Centurion Air Cargo
CFF Air
Chalk's International Airlines (between 1999 and 2006 known as Chalk's Ocean Airways)
Chalk's Ocean Airways (until 1999 and after 2006 known as Chalk's International Airlines)
Chamberlin Flying Service
Channel Air Lift
Chaparral Airlines
Charter One
Chautauqua Airlines
Chrysler Aviation
Churchill Aviation
Clay Lacy Aviation
Club Aire
Coastair
Coastal Air Lines
Coastal Airways
Coastal Cargo
Colgan Air
Colonial Air Transport
Colonial Airlines
Colonial Western Airlines
Columbia Air Cargo
Columbia Pacific Airlines
Colvin Aviation Inc.
Comair/Delta Connection
Combs Airways (founded as Montana Aircraft Company, renamed 1968)
Command Airways (purchased by AMR Corporation in 1988 and renamed Flagship Airlines)
Command Aviation
Commercial Air Freight Inc
Commutair
Conner Air Lines
Connie Kalitta Services (since 1985: American International Airways, Inc dba Connie Kalitta Services; merged with Kitty Hawk, 1997)
Consolidated Air
Continental Air Lines (aka Continental Airlines)
Continental Air Services, Inc. - CASI (Provided contract air support to US Government activities in a.o. Laos)
Continental Air Transport
Continental Charters
Continental Express
Continental Jet Corp.
Contract Air Cargo
CorpJet (Baltimore Air Transport, dba CorpJet)
Corporate Air
Corporate Air Inc
Corporate Air Services
Corporate Airlines (started as Corporate Express Airlines; then Corporate Airlines from 1998 to 2004 and then RegionsAir)
Corporate Flight International
Corporate Jets (renamed CJ Systems Aviation Group, 2001)
Corsair Aviation Holdings Inc
Country Flyin
Crystal Aviation
CSA Air
Currey Air Transport
Curtiss-Wright Flying Service
Custom Air Service
Dancing Wind Aviation
DB Aviation
DDH Aviation
Delaware Air Freight
Delta Air Lines
Delta Connection
DePonti Aviation Company
Desert Air Transport
DHL Airways (renamed ASTAR Air Cargo May 2003)
DMC Flying Service
Dodita Air Cargo
Dolphin Airways
Dolphin Aviation
Dolphin Express Airlines
Downeast Airlines (founded as Mid-Coast Airways, renamed 1968)
DP Air
Duncan Aviation
Eagle Air Cargo
Eagle Air Freight
Eagle Airlines
Eagle Wings Air Service
East Coast Aviation Services
East Coast Jets
East Coast Leasing
Eastern Air Lines
Eastern Air Transport (renamed Eastern Air Lines)
Eastern Metro Express Airlines
Eastwind Airlines
Edde Airlines
Emery Worldwide
Empire Airlines
Era Alaska
ERA Aviation (Merged with Frontier Alaska Group, Frontier Flying Service, Hageland into Era Alaska)
ERA Helicopters
ERA-Jet Alaska
Evergreen Air
Evergreen Helicopters
Evergreen International Airlines
Evergreen International Aviation
Everts Air Cargo
Everts Air Fuel (became Everts Air Cargo)
ExcelAire
Exec-Jet
Executive Air Charter (renamed Executive Airlines in 1990)
Executive Aircraft Corporation
Executive Airlines (operates flights in behalf of American Eagle)
Executive AirShare
Executive Aviation
Executive Jet Aviation
Executive Jet Sales
Express Airlines
Express Airlines I (became Pinnacle Airlines)
Express One International
Express.net Airlines
ExpressJet Airlines
Fairbanks Air Service (renamed Great Northern Airlines, 1976)
Fairways Corp.
Falcon Jet Corp
Falconair
FBN Flying Service
Federal Express (renamed FedEx, 1994)
FedEx (renamed FedEx Express, 2000)
FedEx Express
Fine Air (merged into Arrow Air,)
First Air Jet Charter
Fischer Brothers Aviation (bought by Midway and renamed Midway Commuter)
FL Aviation Group Inc.
Flagship Airlines (merger between Flagship Airlines, Wings West Airlines and Simmons Airlines to form American Eagle Airlines)
Flamenco Airways
Fleming International Airways
Flight Options
Flite Services
Florida Aircraft Leasing
Florida Airways International Inc.
Florida Commuter Airlines (became Southern Airlines)
Fly by Night Safaris
Flying Tiger Line (1989: Federal Express merged Flying Tigers into its operations)
Flying W Airways
Ford Air Freight Lines
Frank Ambrose Aviation
Freedom Air
Freight Air
Freight Runners Express
Fromhagen Aviation
Frontier Airlines
Frontier Airlines (FL)
Frontier Airways
Frontier Flying Service (Merged with Frontier Alaska Group, Hageland, Era Aviation into Era Alaska)
Frontline Aviation
FS Air Service
GAF International Service
Galaxy Airlines (Ceased operating 21 MAR 1986; Deficient operations and maintenance procedures and financially unfit.)
Gee Bee Aero Inc
General Airlines
General Airways
General Aviation Inc.
General Transportation Co
Gifford Aviation
Global Aviation (Air Castle, dba Global Aviation)
Global Exec Aviation
Global International Airways
Go Transportation
Golden Airways
Golden Eagle Aviation
Golden North Airways
Golden West Airlines
Gorda Aero Service
Goship Air
GP Express Airlines
Grafair
Grand Aire Express
Grand Canyon Airlines
Grant Aviation
Grasshopper Aviation
Great Lakes Airlines
Great Northern Airlines (named Fairbanks Air Service until 1976)
Greatland Air Cargo
Grecoair
Groth Air
Gulf & Caribbean Cargo
Hageland Aviation Services (merged with Frontier Alaska Group, Frontier Flying Service, Era Aviation into Era Alaska)
Hampton Island Aviation
Hanford's Tri-State Airlines (renamed Mid-Continent Airlines)
Hansen Air Activities
Happy Hour Air Travel Club
Harbor Airlines
Harolds Air Service
Hartzog Aviation
Hawaiian Airlines
Hawk Flight
Hawthorne Nevada Airlines
Hemet Valley Flying Service
Henson Airlines
Hermens Air
Hertrich Aviation
Hi-Tech Helicopters
Homer Air
Hondu Carib Cargo
Hop-A-Jet Inc
Horizon Air
Horizon Air Service
Hughes Airwest (named AirWest until 1970; purchased by Republic Airlines in 1979)
Hughes Charter Air
IBC Airways
Imperial Airlines (until 1960 known as Regina Cargo Airlines; ceased about 1962)
Independent Air
Inter Air
Inter Continental Air Transport
Interamerica Air Lease
Intercontinent Airways
Intercontinental Aircraft Lease
Interior Airways (renamed Alaska International Air)
International Aerodyne
International Air Freight
International Air Service
International Aircraft Services
Interstate Helicopters
Island Airlines
Island Airlines Hawaii
Island Airways
Jeffy Jet
Jet America International
Jet Avia
Jet Charter Group
Jet Corp
Jet East
Jet Express
Jet Express Services
Jet Fleet
Jet International
Jet Link/Continental Express
Jet Management
Jet One Express
Jet Power
Jet Services
Jet Shares LLC
Jet Travel
Jet Way Enterprises
Jet Wings
JetBlue Airways
Jetco Aviation International
Jetcorp
Jetcraft Corp.
Jetstream Inc.
Jetstream International Airlines (named Vee Neal Airlines until 1983 and renamed PSA in 1995)
Jim Hankins Air Service
Johnson Flying Service
Joluk Air
K&K Aircraft (renamed Dynamic Aviation in 2000)
Kalitta Air (took over operations when Kitty Hawk International ceased operations)
Kansas City Southern Skyways
KDD Aviation
Kennedy Flite Center
Ketchikan Air Service
Ketchum Air Service
Key Lime Air
Keystone Aviation
Kimex Inc
Kinney Air Tankers
Knowles Flying Service
Kodiak Aviation
Korda Kentucky Leasing
L'Express Airlines
Lake Central Airlines (merged into Allegheny Airlines)
Laredo Air
Latin Air Service
Legion Express
Lisa Flite Corporation
Lisa Jet
Liston Aircraft
Locair
Lone Star Airlines
M Air Inc.
M&F Inc.
M&M Air
M&N Aviation
Mackey International Airlines
Maddux Airlines
Majestic Air Cargo
Makani Kai Air
Marco Island Airways
Markair (founded as Interior Airways)
MarkAir Commuter
Marlin Air
Martin Aviation
Martinaire
Matrix Aviation
Mavrik Aire
Maxfly Aviation
Maxson Aviation
McCollum Aviation
McNeely Charter Service
Mercer Airlines
Merlin Express (renamed Merlin Airways)
Mesa Airlines
Mesaba Airlines
Meteor Air Transport
Metro Airlines
Metro Aviation
Metroflight
Miami Air Lease
Miami Airline
Miami Aviation
Mid Pacific Airlines
Mid-Atlantic Freight
Mid-Continent Airlines (taken over by Braniff in 1952)
Midamerica Jet
Middletown Corporate Aviation
Mideastern Airways
Midwest Air Charter
Midwest Express (renamed Midwest Airlines, 2003)
Millers Aviation
Million Air
Million Air Dallas
Millon Air
Mississippi Valley Airlines - MVA (merged with Air Wisconsin in 1985)
Modern Air Transport
Mohawk Airlines (purchased by Allegheny Airlines in 1972)
Mokulele Airlines
Monarch Air Service
Monarch Aviation
Monmouth Airlines
Mountain Air Cargo
Mountain Air Service
Mt. McKinley Airfreight
Multi-Aero, Inc. (now dba under Air Choice One Inc.)
Mulzer Flying Service
Munz Northern Airlines
My Aviation
National Air Transport
National Air Transport Service
National Airlines (merged into Pan American)
National Airlines (National Air Cargo) (formerly Murray Air)
National Flight Services
National Jet Industries
National Jet Services
National Skyway Freight Corp. (renamed Flying Tiger Line, 1946)
Nationwide Air Transport Service
NetJets
Nevada Airlines
Nevada Flyco
New England Air Express
New England Airlines
New World Air Charter
New York Air
New York Airways
New York, Rio, and Buenos Aires Line - NYRBA (merged into Pan American World Airways, in 1930.)
NJ Airlines
North American Flight Services
North Cay Airways
North Central Airlines (merged into Republic Airlines with Southern Airways, and Hughes Airwest.)
North Continent Airlines
North Country Aviation
North Pacific Airlines - NPA
North Star Air Cargo
Northeast Air & Sea Services
Northeast Airlines (merged with Delta Air Lines)
Northeast Jet
Northern Air Cargo
Northern Flying Service
Northern Illinois Flight Center
Northern Pacific Transport
Northwest Airlines (merged with Delta Air Lines, 2010, continuing as Delta Air Lines)
Northwest Airlink
Northwest Airways (renamed Northwest Airlines)
Northwest Orient Airlines (renamed Northwest Airlines, 1989)
Omni Air International
Overseas National Airways - ONA
Owners Jet Services
Ozark Air Lines (Integrated into Trans World Airlines, 1986)
PAB Aviation
Pacific Aeromotive
Pacific Air Express
Pacific Air Lines (originally known as Southwest Airways; merged with Bonanza and West Coast into Air West)
Pacific Air Transport (merged into Boeing Air Transport)
Pacific Alaska Air Express
Pacific Alaska Airlines
Pacific Flying Fish
Pacific Northern Airlines (merged with Western Air Lines, 1967)
Pacific Southwest Airlines - PSA
Page Airways
Pan Alaska Airways
Pan American Airways (Pan Am) (renamed Pan American World Airways in 1943)
Pan American Grace Airways (Panagra)
Pan American World Airways (Pan Am)
Panavia Cargo Development
Panda Leasing 
Panorama Flight Service
Paradise Airlines
Paragon Air Express
Paul Kelly Flying Service
Pavair
Penair - Peninsula Airways
Peninsular Air Transport
Pennsylvania Airlines
Pennsylvania-Central Airlines (renamed Capital Airlines)
People Express (Integrated into Continental Airlines, 1987)
Phoenix Air
Piedmont Airlines (integrated into USAir)
Piedmont Commuter
Piedmont Hawthorne Aviation (now mainly an aircraft maintenance/sales/support co.)
Pilgrim Airlines
Pinehurst Airlines
Pinnacle Airlines (formerly Express Airlines I)
Pioneer Airlines
Pittsburgh Airways
Planemasters
Platinum Jet Management
Pontiac Aviation
Premier Jets
President Airlines
Presidential Airways
Prestige Tours
Price Aircraft Company
Priester Aviation
Priority Air Charter
Private Air Charters
Provincetown-Boston Airline - PBA
PSA Airlines (originally named Vee Neal Airlines; renamed Jetstream International Airlines in 1983 and named PSA in 1995)
Ptarmigan Airlines
Puerto Rican American Airlines
Quaker City Airways
Quarterwinds Aviation
Rader Aviation
Ratti Aviation
Rediske Air
Reeder Flying Service
Reeve Aleutian Airways
Regency Express Air
Regina Cargo Airlines (renamed Imperial Airlines, 1960)
Reliant Airlines
Renown Aviation
Republic Airlines (formed on July 1, 1979 by the merger of North Central Airlines, Southern Airways, and Hughes Airwest.)
Resort Airlines
Rhoades International (renamed Rhoades Aviation)
Rich International Airways
Richmor Aviation
Riddle Airlines (renamed Airlift Int'l, 1965)
Rio Airways
River City Flying Service
Robin Airlines
Robinson Airlines
Roblex Aviation
Rocky Mountain Airways (founded as Vail Airlines; sold to Texas Air, 1986)
Rosenbalm Aviation (renamed Flagship Express, 1991)
Routh Aircraft
Royal Air Freight
Ryan Air Service (named Ryan Air Service until shutdown in 1988; restarted as Arctic Transportation Services and renamed back to Ryan Air, 2010)
Ryan Airlines
Ryan International Airlines
Safe Air Cargo
Salair
Salmon Air
Samoa Aviation
Sandair
Saturn Airways (Absorbed by Trans International Airlines in 1976)
Scenic Air Tours
Scenic Airlines
Scheduled Skyways
Sea Airmotive
Seaboard & Western Airlines (renamed Seaboard World Airlines in 1961)
Seaboard World Airlines (Acquired by Flying Tigers in 1980)
Seair Alaska Airlines
Seattle Air Charter
Servant Air
Seven Seas Airlines
Shoreline Aviation
Shuttle America
Shuttle America / Delta Connection
Sierra Pacific Airlines
Sierra West Airlines
Simmons Airlines (acquired by AMR Corp. on August 1, 1987; merger between Flagship Airlines, Wings West Airlines and Simmons Airlines to form American Eagle Airlines)
SK Logistics
Sky King Inc.
Sky Truck International
Skylink Charter
Skylinks Jets
Skystream Airlines
Skytrain Air
Skyvan Airways
Skyway
SkyWay Enterprises
Skyways International
Skyways International Trading and Transport
Skywest Airlines
Slick Airways (acquired by Airlift International, 1968)
SMB Stage Line
Smith Air
Snowy Butte Aviation
South Central Aviation
South Pacific Island Airways - SPIA
Southcentral Air
Southeast Airlines
Southeastern Air Charter
Southern Air Transport (Bankrupt; assets purchased by Southern Air in 1999)
Southern Airways (merged into Republic Airlines with North Central Airlines and Hughes Airwest.)
Southern Cross Airways
Southern Cross Aviation
Southern Express
Southwest Airlift
Southwest Airlines
Southwest Airlines - SWA
Southwest Airways (renamed Pacific Air Lines, 1958)
Span East Airlines
Spirit Airlines
Spokane Airways
SS&T Aerial Contractors
Standard Airlines
Standard Airways
Star Air Service (renamed Star Air Lines)
Star Flite Aviation
Stonewall Transport
Stout Air Services (acquired by National Air Transport (NAT))
Strato-Freight
Stratofreight
Stratolift
Suburban Air Freight
Suburban Airlines
Sunbeam Air Transport Co.
Sunbird Airlines (renamed CCAir, 1987)
Suncoast Aviation
Sunjet Aviation
SunQuest Executive Air Charter
Sunrise Airlines
Superior Aviation
Swift Aire Lines (merged with Golden Gate Airlines, 1981)
Swift Delivery Air Freight
TAG Aviation
Tar Heel Aviation
Tejas Airlines
Telford Aviation
Temsco Helicopters
Tepper Aviation Inc
Texas International Airlines (merged with Continental Airlines, 1982)
Texas Western Aviation
Texasgulf Aviation
Thunderbird Airways
Tower Air
Toy Air
TPI International Airways
Tradewinds International Airlines (renamed Sky Lease Cargo)
Trans Caribbean Air Cargo Line
Trans Caribbean Airways (acquired by American Airlines in 1971)
Trans Caribbean Enterprises
Trans Catalina Airlines
Trans Florida Airlines
Trans International Airlines
Trans Island Airways
Trans National Airlines
Trans States Airlines (founded as Resort Air and named Trans States in 1989)
Trans World Airlines - TWA (merged with American Airlines)
Trans-Air Hawaii
Trans-Air-Link - TAL
Trans-Colorado Airlines
Trans-Luxury Airlines
Transamerica Airlines (founded as Trans International Airlines)
Transcontinental & Western Air - TWA (renamed Trans World Airlines - TWA, 1946)
Transcontinental Air Transport - TAT (merged in 1930 with Western Air Express to form what became TWA.)
TransNorthern Aviation
Transocean Air Lines
Travelair
Travelair Taxi
Tri-Motor Safety Airways (subsidiary of NYRBA)
Tri-state Executive Air
TriCoastal Air
Trishan Air
Tursair
Umatilla Aviation
Union Flights
Union Pacific Aviation
United Air Lines
United Airlines (named "United Air Lines" until 1974)
United Executive Jet
United Express
United Parcel Service - UPS
Universal Air Lines
Universal Airlines
Universal Airlines, Inc. (formerly Piedmont Air Transport)
US Airlines
US Airways (founded as All American Aviation; renamed All American Airways in 1949, renamed Allegheny Airlines in 1952, USAir in 1979, and US Airways in 1996)
US Airways Express (started as Allegheny Commuter)
US Overseas Airlines
USA Jet Airlines
USAir (founded as All American Aviation; renamed All American Airways in 1949, renamed Allegheny Airlines in 1952, USAir in 1979, and US Airways in 1996)
USAir Express (started as Allegheny Commuter; renamed US Airways Express)
V1 Jet Management
ValuJet Airlines (merged with AirWays Corp. Into AirTran)
Vanderpool Flying Service
Vecolair
Vesey Air
Viking Air Transport
Viking International Air Freight
Virgin Islands Seaplane Shuttle
Visionair International
Waig Aircraft Inc. (later renamed ARDCO, Inc.)
Ward Air
West Air
West Coast Airlines (merged with Bonanza and Pacific Air Lines into Air West)
West Indies Air Transport
Westair Commuter Airlines (named Stol Air Commuter until 1978)
Westair Transport
Westchester Air
Western Air Lines (merged with Delta Airlines)
Wien Air Alaska
Wien Consolidated Airlines (renamed Wien Air Alaska, 1974)
Wiggins Airways
Willair International
Willis Air Service
Win Win Aviation
Winemiller Aviation
Winged Cargo Inc.
Wings Airline Services
Wings of Alaska
Wings West Airlines (merger between Flagship Airlines, Wings West Airlines and Simmons Airlines to form American Eagle Airlines)
Wiregrass Aviation
Woods Air Fuel
Woods Air Service
World Airways
World Jet II
Wrangell Air Service
Wright Stuff
XOJet
Yates Aviation 
Yute Air Alaska (renamed Flight Alaska, 2000)
Zantop Air Transport (became Universal Airlines)
Zantop International Airlines

Corporations:
09 Charlie Inc.
A & H Aircraft Sales
A.E. Stanley Manufacturing Co.
Acme Air
Acme Leasing / K. Knight
Aero Charter Services
Aerodex (Overhaul and maintenance firm.)
Aerodyne Engineering Corp.
Air Carrier Lease and Sales Inc.
Air Charters
Air Pacific NC
Aircraft Airframe Inc
Aircraft Export Corporation
Aircraft Modifications Inc
Airdine
Albany Industrial Corp.
Alberto-Culver USA, Inc.
Alco Aviation
Alex Lyon & Sons Sales Managers & Auctioneers Inc.
Alpha Wolf Enterprises LLC
American Agronomics Corp
American Philippine Indonesian Malaysian Enterprises
American Smelting and Refining Co.
American Velodur Metal Comp
Amerine Turkey Breeding Farms
AMF Corp.
Anchor Hocking Glass Corporation
ART 21631 LLC
Ashland Oil and Refining Company
Atlantic Aero
Aviation Transport Solutions LLC
Ayer Lease Plan
BAE Survivability Systems LLC
Barbary Coast Hotel & Casino
Barringer Research Inc. (firm specialising in airborne survey)
BB Five Inc.
BBR Drilling
Boreas Corporation
BP Amoco Corporation
Brink Constructors, Inc.
Brown County Financial Services
Bruno's Inc.
Burroughs Corp.
Calico Ventures LLC
Carde Equipment Sales LLC
Career Aviation Company
Castleton Inc
Castor Trading
Cauble Enterprises
Century Equipment
Champion Home Builders
Chapman Commodities
Chatham Corp.
Chevron Oil
CIM Associates
Circuit City Stores
CIT Leasing Corp.
Cluett Peabody & Company
CNS Corporation
Coast Hotels & Casinos
Coin Acceptors
Collins Radio Corp.
Colnan Inc.
Colonial Bank
Compass Acquisitions and Development Inc.
Conoco
Container Corp. of America
Continental Oil Corp.
Cornerstone Construction Inc. ?
Corus Hardware Corporation
Cousin Properties
CREX-MML LLC
Crutcher Resources Corporation
CSSRJ Aviation LLC
Danpar Aviation
DEKA Research & Development Corp.
Delwood Furniture
Desert Sand Aircraft Leasing
Dewberry Air LLC
Diamond Jet Inc.
Digicut Systems
Digital Equipment Corporation
Donna Blue Aircraft Inc.
DR & M Incorporated
Drayton Associates
Drilling Muds
Drug Plastics & Glass Company Inc
DRW Financial
Du Pont de Numours and Co.
Dufresne Inc.
Duncan Aircraft Sales
Durakool Inc
Dynamic Aviation Group Inc
Dynamic Avlease
E. Micah Aviation
East Coast Flight Services
Eastex Inc
Eastman Kodak
Eli's Bread
Epps Air Service
Erasmus Inc
Eversharp
F & B Livestock Corp
F & S Contracting
Fabergé Inc.
Facilities Management Corp.
Factury Buying Corp.
Fairbanks Morse and Company
Falcon Leasing Corp.
Farm-Kem Inc
Federal Mogul Corp.
Federal Paper Board
Flight Options Inc.
Florida Preferred Equity
Fluor Corp
Ford Motor Co.
Franks Petroleum
Fruehauf Inc.
FS Corsair Inc
GCI Communication Corp.
General Electric
General Motors
General Telephone Co.
General Tire & Rubber Co.
Georgia Pacific Corp.
GLE Aircraft
Gold Bond Stamp Co.
Grady International Inc.
Great Idea Corporation
Great Texas Foods Inc.
Greystoke Engineering Inc
GTE South
Guardian Eagle Company
Gulf Oil Corporation
Haalo Ltd.
Hamilton Ranches Inc.
Hardees Foods
Harrington's Inc
Hendrick Motorsports, Inc
Henry Broadcasting Nevada Inc
Honeywell Inc.
Horizon Properties
Horizon Timber Services Inc.
Houston Cardiac Electrophysiology Associates
Hughes Tool Corp
IBEX Corp.
IBM
IHR Administrative Services
Inlet Marine
Integerresources Inc. & Drayton Ass.
International Jet Charter
Iowa Packing Company
Island Gem Enterprises
J. Ray McDermott & Company Inc.
Jack Adams Aircraft Sales Inc.
Jaffe Group
JaGee Ventures
Jaradac International Corp.
Jaymar Ruby Inc.
Jet Lease Corp.
Jim Robbins Airborne Division
Jimmie Johnson Racing II
JMG Inc
Joanne Fashions
JODA LLC
John Mechan Oil Co.
Johnson & Johnson Inc.
Johnson Wax Company
Juventude (])
Kansas City Life Insurance
Karol Investment Corp.
Keegan Aviation
Kellogg Co.
Kennecott Corp
Kerr-McGee Corp
Kerry Acquisitions LLC
Kewitt Construction Company
Kreuter Engineering
Lake Riverside Estates
Langham Petroleum Corp.
Le High Acres Development Comp.
Leavitt Group Wings, LLC
LifeMed Alaska
Ligon Brothers Manufacturing
Louisiana Pacific Corp.
LTV Aerospace
Lufkin Industries
Machinery Buyers Corp
Mack Truck
Macton Corp
Magnavox Corporation
Mallen Industries
Mallen Industries, Inc.
Marathon Oil
Masco Corporation
Mass Bay Kustom Leasing
Massey-Ferguson
Mazak Properties Inc.
McDermott Inc.
MDTR Holdings LLC
Mechanical Equipment
Media Aviation Inc.
Mellon Bank
Merchant Bank
Midwest Energy Development
Midwest Oil Corp.
MMRB Services
Mobil Oil
Moran Foods, Inc.
Morrison-Knutsen
Mountain Bell Telephone
Mutual Benefit Health & Accident
N67AN Inc.
N79TE LLC
Nabisco Brands, Inc.
National Homes Corp.
National Steel Corp.
Nevada Airlines Inc.
New Creations
NewCal Aviation (distributor of aircraft parts)
Nicole Corp.
North American Plastics
North Slope Supply Comp
Northern Peninsula Fisheries
NYNEX Corp
Oklahoma Pipe Line Construction
Oliver B. Cannon & Sons, Inc.
OMCO Petroleum Co.
Osage Air LLC
Oso-Rio LLC
Pacific Petroleum
Paige Associates
Peabody Coal Company
Performance Aircraft Leasing Inc.
PGA Tour Investments
Phillips Petroleum Company
Pine Paper Products Co.
Pittston Co.
Ponderosa/Chrysler Corp.
Premier Air Management
Puget Sound Tug & Barge Company
QB Corporation
Qualint
R & B Leasing
R. L. Riemenschneider Enterprises
Ray Charles Enterprises
RBS Aviation Group
Reaud, Morgan & Quinn Inc
Republic Natural Gas Co.
Republic Oil Company
Rexall Drug & Chemical Company
Reynolds Tobacco Co.
RGA Holdings
RHB-JMJ LLC
Ring Can Corp.
RNH Air 1 LLC
Robertson Asset Management
Rolled Steel Corp.
Roush Fenway Racing LLC
Rowan Drilling Comp. Marine
Royal Crown Cola Corp
Sabre 65 LLC
Sangamo Electric Company
Scott Aviation
Scott Cable Communications
Security Pacific Equipment Lease
Seneca Sawmill Co
Sinclair Somali Corp.
Singer Corporation-Kearfott Division
Six-T Ranch Corp.
SK Travel LLC
South American Gulf Oil Company
Southwest Skin and Cancer LLC
Standard Oil Company
Starwood Management LLC
Steward-Davis Inc.
Stinger Welding Inc.
Stribling-Puckett, Inc
Sultan Industries
Sun Oil Co
Sun Valley Inc.
Superior Oil Corp.
Supra International
Synfuels Holdings Finance LLC
Tandy Corp.
Tango Corp.
TBAC LLC
Teledyne Industries
Tennair
Tex Johnson Inc
The Connecticut National Bank
The Vein Guys
Thrifty Threads Inc
THV Seminars
Tidewater Marine Services
Tiffany Realty
Tigress Air III
Tomco II
Trans Alaska Produce Corp.
Trans Southern Corp
Transvall Corp.
Tri Marine Management Company LLC
Trident Aviation Services
Trust Aviation, Inc.
Union Oil Company of California
United States Steel Corporation
United-Heckathorne Corp.
Unum Inc.
US Distributors Inc.
US Motorsports
US Steel Co.
Utah Construction & Mining Co.
Venagas Construction Corporation
Vertol Systems Company
Vintage Sales Corp.
Volkswagen Pacific
Warnaco Inc
Warren Manufacturing Inc
Weatherford Services Inc.
West Ward Cattle
Western Hemisphere Import Export Co.
White Industries
Whitham Farm Feedyard Inc
William Wrigley Jr. Co.
Williams Patent Crusher & Pulverizer Company
Willis Lease Finance Corporation
Wilmington Trust
Winn Exploration
Winn-Dixie Stores, Inc.
Woolie Enterprises Inc.
Ziegler Inc

Flying schools, Aeroclubs, Paraclubs:
Adventure Aviation
AerOhio Aviation
Colorado Flying Academy
Flight Safety International
Flight Training Center
Hangar Six
Kapowsin Air Sports
Nathaniel Hawthorne College
National Test Pilot School
Perris Valley Aviation
Perris Valley Paracenter
Quantum Leap Skydiving Center
SkyDive Greensburg
Skydive Mesquite
Skydive Miami
Spokane Turbine Skydiving

Government:
Civil Aeronautics Administration (merged with CAB into FAA)
Federal Aviation Administration - FAA (formerly known as Federal Aviation Agency until 1967)
Federal Aviation Agency - FAA (became Federal Aviation Administration in 1967)
NASA
North Slope Borough
U.S. Forest Service
United States Customs Service
United States Department of Interior
United States Department of State
US Customs Service
US Department of Agriculture
US Department of Energy
US Department of State
US Drug Enforcement Administration - DEA
US Treasury
War Assets Administration

Manufacturers:
Aero Spacelines
Avcon Industries
Beechcraft (became Raytheon and later a brand of Hawker Beechcraft)
Boeing
Bombardier Capital Corporation
Cessna Aircraft
Curtiss
Douglas Aircraft Company (Merged with McDonnell Aircraft Corporation into McDonnell Douglas)
Excel-Jet
Fairchild
Fokker Aircraft Corporation of America
Ford Motor Company
Gates Learjet (Incorporated into Bombardier)
Gulfstream Aerospace
Lear Jet Corp.
Lockheed (Merged with Martin Marietta)
McDonnell Douglas (Merged with Boeing)
North American Aviation
Raytheon Aircraft
Rockwell International Corporation
Sino Swearingen (founded as Swearingen Aircraft IN 1959; now known as Emivest Aerospace)
Spectrum Aeronautical

Military:
Air National Guard
Florida Army National Guard
Inter-American Air Forces Academy
La Legión Caribe (Caribbean Legion, to overthrow Latin American dictatorships)
United States Air Force - USAF
United States Army
United States Army Air Corps - USAAC (renamed USAAF, 1941)
United States Army Air Force - USAAF (renamed USAF, 1947)
United States Coast Guard
United States Department of Defense
United States Marine Corps
United States Navy

Organisations (non-profit):
Agape Flights
AIM Air
Air Serv International
American Airpower Heritage Museum
Auburn Adventist Academy
Avalon Correctional Services
College of the Ozarks 
Confederate Air Force
Greatland Resource
Holy Nation of Islam Inc
Living Water Teaching Ministries
Loren Davis Ministries International
Missionary Flights International
National Air & Space Museum
New Tribes Mission
Purdue University
The Catalina Company
University of North Dakota
US Mission
US Naval Mission to Ecuador
Valiant Air Command Inc
Wagner Foundation
West Texas Air Museum

Private:
Alberto Morales
Allen L. Stanley
B.F. Gregory
Barry D. Tidwell
C. R. Vose Company
C.D. Stolzfus & Associates
C.L. Hall
C.L. Joekel
Charles Clay
Clayton V. Curtis
Clifford A. Hackney Sr.
D. Seitz
Darryl G. Greenamyer
Dolph Briscoe Jr.
E. Marger
E. Saltzgeber
E.L. Fulton
E.W. Brown
Edwin L. Byrd
F. Free
F. Sorensen
George Byron Alder
George C. McAlpine
George J. Priestner
Georgia South America
Gordon E. Cragg
H. Maierhoffer
H. Price
H.A. Braun
H.A. Wharton
H.W. Musleh
H.W. Robinson
Howard Schlick
J. Calvert
J. Fox
J. Rodriguez
J. Rule
J. Swain
J. Symons
J. Whaley
J.D. Gifford and Associates
J.H. Logsdon
J.H. O'Brien
J.V. Masin
J.W. Pate
Jack Lenhardt
James E. Stewart
James Holmes
Jamie Munoz
Jim McGeorge
Joel Guinn
John A. Lyddon
John W. Galbreath
Johnson and Johnson
Johnston R. Staples
Jon Kraut
Jose A. Balboa
Jose Benitez
K. Weeks
Kenneth L Meek
Kirk E. Molhook
L.M. Barbenell
Leon H. Patin
Lyndon B Johnson
M. Todd
Max Conrad
Mike G. Rutherford
N.F. Stadler
O.K. Southwick
P. Grossman
R. Loomis
R. P. Weesner
R.A. Armstrong
R.R. Fuchs
R.W. Duff
Remmert Werner
Richard P. Lieberman
Robert E.J. Morris
Robert F. Carlson
Robert L Vaughn
Robert Schumacher
Ronald P.Lippert
S. Burnstein
S. Lubbezoo
Sumner B. Morgan
T. Eaton Co.
Thomas Kendall
Thurman L. Munson
Tony Perez
Troy G. Hawkins
V.N. Johns
W. Jackson
Walker P. Inman
Wiley C. Puckett
William J Evans
Yvonne A Culbertson

Special operations (survey, crop spraying etc.):
Aero Services Corp.
Air Trek (air ambulance operator)
Airborne Fire Attack
Aircraft Specialties
AirEvac International
Butler Aircraft Company
Care Flight International
Collier County Mosquito Control Distr.
Earth Data Aviation
Flight International
Hawkins & Powers Aviation
Jet ICU Air Ambulance Service
Mayo Aviation
Med Flight Air Ambulance
Monroe County Mosquito Control District
Northwest Agricultural Aviation
Omega Air Refueling
Plane Speaker Corporation
Sky Spray (subsidia of United Heckathorn, Inc,,)
T & G Aviation
TBM Inc.
Tristate Care Flight LLC
US Forest Service
USA Healthcare-Leasing

Unknown:
Aircraft Sales & Leasing
Alpes Aircraft Corp.
American Express Leasing
Associated Aviation Industries
Athens Leasing Corp.
Aviation Sales & Service Inc.
Bahri Aviation
Big 6 General Partnership
BWI Leasing
California Aircraft
Cambridge Aviation
Caribe Air Sales
Charlotte Aircraft Corp.
Condor Enterprises Inc.
Corporate Flight
Cox Aircraft Corp.
Crown Center Aviation
CZX Productions
DK&L Company
Dragon Air Leasing Inc.
Freedom International
Gomes & Warra Aircraft Corp
GSD Aircraft Leasing
IAL Aircraft Holding
Interior Enterprise
International Flight Center
International Flight Charter
International Turbine Service
Island Traders
Islands of the Bahamas Inc
Kelco Aircraft
L & J Company
La Mesa Leasing Inc.
Lauderdale Leasing
Mission Air Lift Inc
National Aero Sales Company
National Aircraft Leasing
New England Propeller Service
North American Aircraft Trading
Omega Air Inc
One Leasing
Onyx Aviation
Orion Air
Orion Aircraft Sales
Patterson McCarthy Leasing
Petrolift Aviation
Profesional Jet Management
Professional Maintenance Services
Pronto Aviation Services
RG Aviation
Servicios Americanos
Silver Express
SL Aviation Services
Southern Aero Trades Inc
Southern Company Services
Southern Services
Spitfire Sales And Leasing
Stoney's Rainbow Lanes & Lounge
Tennessee Valley Authority
Tiburon Aircraft Inc
Trans American Leasing Inc
Union Producing Comp
United Aircraft Services
Universal Air Leasing
Universal Jet Aviation
US Global of Florida
Valley Projects Inc.
Viking Aircraft Co.
Vinair
Waggoner Aircraft
Webair