STC Holders: U
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There are 112 STC Holders starting with: U
U.S. Cutoms and Border Protection L&M Rotary Wing Program Office
U.S. Department of Agriculture--Forest Service
U.S. Immigration and Customs Enforcement
U.S. TECHNICAL CONSULTANTS INC
U.S. Technical Consultants Inc.
UAB Aviation
uAvionix Corporation
UFO Inc
Ulla M. Chunn
Ultimate Aerostructures
Ultimate Engines LLC
Ultimate Engines, Inc.
Ultra Electronics - Flightline Systems Inc.
Ultra Electronics Flightline Systems
Ultra Electronics ICE Inc.
Ultra Enterprises
UMA Inc.
UMLAUT ENGINEERING GMBH
UNC Accessory Service
UNC/CFC Acquisition Co
Underwood - Instrument Services, Inc.
Unical Aero
Union Aviation LLC
Union Aviation, Inc
Union Flights
Union Oil Co of CA
Unison Industires
Unison Industries
United Aeronautical Corporation
United Air Lines
United Air Lines Inc
United Aircraft Corp
United Airlines
United Airlines Inc
United Airmotive
United Airplane Sales Inc
United Aviation Services, Inc
United Beechcraft Inc
United Control Corp
United Data Control Inc
United Parcel Service
United Parcel Service Co
United Parcel Service Company
United Rotorcraft
United Rotorcraft Solutions LLC.
United Scanning Technologies
United States Aircraft Corporation
United States Department of Agriculture
United States Government Light Utility Helicopter Product Office
United States Navy Naval Air Systems Command Commercial Derivative Aircraft Program
United Technologies
United Technologies Corp
United Technologies Corporation, Pratt & Whitney Division
United Technologies Finance Corp
Unity Aviation Canada Ltd
Univ of Alaska Fairbanks
Univair Aircraft Corp
Univair Aircraft Corporation
Universal Aircraft Ind
Universal Airlines
Universal Airlines, Inc
Universal Avionics Systems Corp
Universal Avionics Systems Corporation
Universal Balloons, Inc
Universal Cargo Doors & Serv, Inc
Universal Corporation
Universal Navigation Corp
Universal Oil Prod Co
Universal Technology
University Aerospace Foundation
University Air Service
University Corp for Atmospheric Res
University of Alaska, Fairbanks
University of Arizona
University of Illinois
University of Kansas
University of North Dakota
University of Tennessee
University of Washington
University Swagging Corp
UOP, Inc
Up & Away Ballooning Inc.
Upper Limit Aviation
UPS Aviation Technologies
Ursell C R
US Air Force
US Air Group Inc.
US Airparts
US Airparts, Inc.
US Airways Inc
US Dept of Energy
US Dept of Interior
US Energy Corp
US Helicopter, Inc
US Navy Pacific Missile
US Parachute Association
US Propeller Service of Connecticut
US Steel Corp
US Technical
US Technical Consultants
USA Airmobile, Inc
USA Jet Airlines Inc.
USAF
USAF - Oklahoma City
USAir Force, OC-ALC/LKO
USDA
USDA Forest Service
Usher Aviation Radio Div
UT Finance Corporation
Utah State University Research Foundation
Utilities Services of America
Uvalde Flt Center, Inc