Manufacturers: U
- U B Corp. 11 parts
- U D T, Inc. 4 parts
- U-Line Corporation 3 parts
- U-Reach Data Solutions Inc. 3 parts
- U S Army Communications Command-Intelligence Security Command 5 parts
- U.S. Army Redstone Test Center 7 parts
- U S Army Tank Automotive Command Amsta-Im-Mm 12,335 parts
- U.S. Coast Guard C5I Sc Portsmouth, Va 6 parts
- U.S. Coast Guard C5I Service Center Alexandria 3 parts
- U S Dept Of Transportation Federal Aviation Administration 3,215 parts
- U S Digital Corp. 3 parts
- U.S. Digital Corporation 3 parts
- U. S. Dynamics Corporation 20 parts
- U.S. Eta, Inc. 7 parts
- U.S. Pioneer, L.L.C. 113 parts
- U S Recording Co, Inc. 5 parts
- U S Special Operations Command Macdill Air Force Base Sordac-J4 232 parts
- U S Terminals Inc. 207 parts
- Ubiquiti Networks, Inc. 51 parts
- Ucar Carbon Co Inc. 9 parts
- Ue Systems Inc. 10 parts
- Uec Electronics, LLC 72 parts
- Uflex Usa Inc. 3 parts
- Ufp Technologies, Inc. 5 parts
- Ugimac Inc. 16 parts
- Ulanet George Co 37 parts
- Uline Inc. 13 parts
- Ulstein Danmark A/Sformerly: A/S Motorfabrikken Dan 3 parts
- Ultra Cyber Limited 23 parts
- Ultra Electronics Advanced Tactical Systems Inc. 68 parts
- Ultra Electronics Ice Inc. 16 parts
- Ultra Electronics Maritime Systems Inc. 99 parts
- Ultra Electronics Ocean Systems Inc. 100 parts
- Ultra Electronics Precision Air And Land Systems Inc. 4 parts
- Ultra Electronics Tcs Inc. 23 parts
- Ultra Pcs Limited 185 parts
- Ultra Products 4 parts
- Ultra Safety Systems, Inc. 4 parts
- Ultra Sonar Systems Limited 6 parts
- Ultralife 4 parts
- Ultralife Corp. 244 parts
- Ultramedic Ltd. 4 parts
- Ultravolt, Inc. 4 parts
- Ultrax Aerospace Inc. 51 parts
- Ulysses Inc. 5 parts
- Uma Inc. 10 parts
- UMC Corporation 17 parts
- Umpco, Inc. 16 parts
- Undersea Sensor Systems Inc. 774 parts
- Undersea Systems International, Inc. 103 parts
- Underwater Systems Inc. 14 parts
- Underwriters Laboratories Inc. 111 parts
- Unex A Dynatech Co 22 parts
- Unholtz-Dickie Corp. 5 parts
- Uni-Safe Rettungsgerate Gmbh 5 parts
- Uni Tek Mfg Co Inc. 5 parts
- Unicom Electric Inc. 6 parts
- UNICOM GLOBAL SYSTEMS SOLUTIONS 6 parts
- Unicom Government, Inc. 86 parts
- Unicontrol Inc. 6 parts
- Unicontrol Inc. Hays Cleveland Div 26 parts
- Unicorp. 25 parts
- Uniden America Corporation 12 parts
- Uniflow Manufacturing Company 28 parts
- Unigen Corp. 3 parts
- Unimasco Inc. 7 parts
- Union Battery Corporation 3 parts
- Union Carbide Corp. Electronic Specialty Products Group 15 parts
- Union Carbide Corp. Sub Of Dow Co The 32 parts
- Union Technique Electricite 14 parts
- Union Technology Corp. 3 parts
- Unipower, LLC 55 parts
- Unipress Corporation 16 parts
- Unique Electronics Inc. 44 parts
- Unison Engine Components Inc. 3 parts
- Unison Industries Inc. 11 parts
- Unison Industries LLC 1,419 parts
- Unistrut International Corporation 4 parts
- Unisys Corp. 4 parts
- Unisys Corporation 200 parts
- United Avionics, Inc. 63 parts
- United Catalysts Inc. 4 parts
- United Chemi-Con Mfg Inc. 175 parts
- United Computer Products Co Inc. 4 parts
- United Dynamics, Inc. 22 parts
- United Electric Controls Co. 95 parts
- United Electric Controls Company 249 parts
- United Electronic Industries Inc. 65 parts
- United Electronics Corporation 13 parts
- United Equipment Accessories, Inc. 31 parts
- United Equipment, Inc. 3 parts
- United Innovations, Inc. 8 parts
- United Instruments Inc. 25 parts
- United Marine Communications Of Florida, Inc. 42 parts
- United Microwave Products, Inc. 8 parts
- United Plastics Corp. 5 parts
- United Radio Inc. 3 parts
- United Refrigeration, Inc. 33 parts
- United Seal & Rubber Company, Inc. 14 parts
- United Security Products Inc. 3 parts
- United Solar Ovonic LLC 3 parts
- United Standard Industries Inc. 3 parts
- United States Air Force 1,357 parts
- United States Antenna Products, L.L.C. 76 parts
- United States Coast Guard 5 parts
- United States Coast Guard Yard 8 parts
- United States Department Of The Army 13 parts
- United States Department Of The Navy 503 parts
- United States Department Of Us Army Peo Stri /Simulation, Training, Instrumentation/ 32 parts
- United States Energy Corporation 13 parts
- United States Marine Inc. 51 parts
- United States Plastic Corp. 3 parts
- United States Technologies Inc. 19 parts
- United Technologies Corp. Electro Systems Inc. 58 parts
- United Technologies Corp. Hamilton Sundstrand Corp. 59 parts
- United Transformer Corp. Sub Of Opt Industries Inc. 4 parts
- United Western Technologies Corp. 24 parts
- Unitrack Industries Inc. 47 parts
- Unitrode Integrated Circuits Corp. 48 parts
- Unitron International Systems Inc. 10 parts
- Unitron, Lp 124 parts
- Unitronics Inc. 4 parts
- Unity Manufacturing Co 10 parts
- Unity Tactical LLC 3 parts
- Universal Air Filter Co 9 parts
- Universal Avionics Systems Corp. 13 parts
- Universal Flow Monitors Inc. 3 parts
- Universal Hydraulics Ltd. 3 parts
- Universal Metal Hose Co 3 parts
- Universal Microwave Components Corp. 6 parts
- Universal Semiconductor, Inc. 3 parts
- Universal Sonar Mount 4 parts
- Universal Switching Corporation 29 parts
- Universal Synaptics Corp. 3 parts
- Universal Technologies Inc. 4 parts
- Universal Vise And Tool Co 5 parts
- University Of Massachusetts Lowell 15 parts
- University Of Texas At Austin 230 parts
- University Of Washington 78 parts
- Univex Corporation 35 parts
- Upright Inc. 21 parts
- Uptime Devices Inc. 3 parts
- Urdan Industries Usa Inc. 9 parts
- Uro Vehiculos Especiales Sa 9 parts
- Us Army Aviation And Missile Command 36,357 parts
- Us Army Benet Laboratories Rdar-Wsb-O 22 parts
- Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir 29,227 parts
- Us Conec Ltd. (Inc.) 6 parts
- Us Hybrid Corporation 3 parts
- Us Koei Technologies Inc. 4 parts
- US Tech Inc. 62 parts
- Usa Harness, Inc. 3 parts
- Usaf 12 parts
- USB 4 parts
- Usbgear 9 parts
- Usbid Incorporated 4 parts
- Useco An Affil Of United Service Equipment Co 13 parts
- Ussocom Sof At&L Peo-Tis 41 parts
- Utah State University Space Dynamics Laboratory 4 parts
- Utc Fire & Security 3 parts
- Ute Microwave, Inc. 33 parts
- Utility Systems, Inc. 4 parts
- Uusi, LLC 14 parts
- Uvp Inc. 8 parts