NSN Parts Manufacturers – Company Name Starts with U. Union Mfg Co. - United Aircraft Corp
- Union Mfg Co. (2 parts)
- Union Mfg Inc. (7 parts)
- Union Pump SAS (3 parts)
- Union Special Corp. (52 parts)
- Union Spring and Mfg Co. (9 parts)
- Union Steel Products Inc. (5 parts)
- Union Swiss Mfg Co. Inc. (3 parts)
- Union Tank Car Co. (2 parts)
- Union Technique Electricite (277 parts)
- Union Technology Corporation (66 parts)
- Union Thermoelectric Corp. (3 parts)
- Union Tool and DIE Co. (2 parts)
- Union Tool Co. Inc. (4 parts)
- Union Wire DIE Corp. (1 part)
- Union-National Inc. (1 part)
- Union/Butterfield Div. (12 parts)
- Uniontools Inc. (38 parts)
- Unipart Automative (34 parts)
- Unipart Automative T/Aserck Intertru (1 part)
- Unipart Automotive Limited (32 parts)
- Unipath Co. (32 parts)
- Unipec Incorporated (3 parts)
- Uniphase Corp. (3 parts)
- Uniplex Corp. (2 parts)
- Unipoint Industries (2 parts)
- Unipower Corporation (57 parts)
- Unipress Corporation (217 parts)
- Unique Broadband Systems Inc. (6 parts)
- Unique Broadband Systems LTD (3 parts)
- Unique Components of New Jersey Inc. (1 part)
- Unique Data Systems Inc. (3 parts)
- Unique Electronics Inc. (67 parts)
- Unique Engineering Inc. (1 part)
- Unique Engraving and City Sportswear (1 part)
- Unique Fiberglass LTD (1 part)
- Unique Lift Parts Inc. (24 parts)
- Unique Memec (4 parts)
- Unique Metal Products Inc. (2 parts)
- Unique Paving Materials (1 part)
- Unique Printing Services Inc. (1 part)
- Unique Systems Inc. (9 parts)
- Unique Technologies (4 parts)
- Unique Truck Equipment Inc. (2 parts)
- Uniquip Plus Inc. (2 parts)
- Unirex Inc. (15 parts)
- Uniroyal Goodrich Canada Inc. (54 parts)
- Uniroyal Goodrich Tire Co. (2 parts)
- Uniroyal Inc. (210 parts)
- Uniroyal LTD General Products Div. (11 parts)
- Uniroyal LTD Industrial Products Div. (1 part)
- Uniroyal Tire Co. (30 parts)
- Uniroyal Tire Co. Div. of Uniroyal Inc. (1 part)
- Unirubber Inc. (4 parts)
- Uniseal Inc. (5 parts)
- Uniserv Inc. (1 part)
- Unison Corp. (1 part)
- Unison Engine Components - Tyseley (1 part)
- Unison Engine Components Inc. (162 parts)
- Unison Engine Components-Manchester (286 parts)
- Unison Industries Inc. (406 parts)
- Unison Industries LLC (7544 parts)
- Unison Information Systems LTD (2 parts)
- Unisource Manufacturing Inc. (3 parts)
- Unisource Technology Inc. (29 parts)
- Unisource Worldwide Inc. (20 parts)
- Unistar-Sparco Computers Inc. (2 parts)
- Unistructural Support Systems LTD (3 parts)
- Unistrut Australia PTY LTD (1 part)
- Unistrut Corp. (8 parts)
- Unistrut Detroit Services Co. (2 parts)
- Unistrut Diversified Products Co. (414 parts)
- Unistrut EL Paso (2 parts)
- Unistrut-Philadelphia (2 parts)
- Unisync Inc. (2 parts)
- Unisys Corp. (1822 parts)
- Unisys Corporation (1065 parts)
- Unisys France (2 parts)
- Unit Engineering Corp. (2 parts)
- Unit Industries Inc. (3 parts)
- Unit Mfg Co. (3 parts)
- Unit Portions Inc. (10 parts)
- Unit Process Co. (1 part)
- Unit Rig and Equipment Co. (3 parts)
- Unit Technology America Inc. (7 parts)
- Unitec Industries Inc. (1 part)
- Unitec Systems Inc. (3 parts)
- Unitech Co. (5 parts)
- Unitech Composites Inc. (3 parts)
- Uniteck Industries Inc. (2 parts)
- United Abrasive Inc. (2 parts)
- United Abrasives Inc. (13 parts)
- United Aero Inc. (2 parts)
- United Aero Products Inc. (6 parts)
- United Aeronautical Corporation (281 parts)
- United Aerospace Corp. (2 parts)
- United Air Filter Company (15 parts)
- United Air Filter Inc. (292 parts)
- United Air Lines Inc. (6 parts)
- United Air Specialists Inc. (9 parts)
- United Aircraft Corp. (44 parts)
