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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

Umatilla Aviation
Union Flights
Union Pacific Aviation
Union Southern Airlines
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 (renamed to American Airlines on October 17, 2015, after merger)
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)

UF Equipment LLC
Union Oil Company of California
United States Steel Corporation
United-Heckathorne Corp.
Unum Inc.
US Check
US Distributors Inc.
US Motorsports
US Steel Co.
Utah Construction & Mining Co.

U.S. Forest Service
U.S. Government, War Department
United States Customs Service
United States Department of Homeland Security
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

United States Air Force - USAF
United States Army
United States Army Air Corps - USAAC (renamed USAAF, June 20, 1941)
United States Army Air Force - USAAF (renamed USAF, September 18, 1947)
United States Coast Guard
United States Department of Defense
United States Marine Corps
United States Navy

Organisations (non-profit):
University of North Dakota
US Mission
US Naval Mission to Ecuador

Special operations (survey, crop spraying etc.):
USA Healthcare-Leasing

Union Producing Comp
United Aircraft Services
Universal Air Leasing
Universal Jet Aviation
US Global of Florida