| Sub-Contractor | See Also | Options |
|---|---|---|
| Underwood & Assoc. | view | |
| Underwood & Hanify | view | |
| Underwriters Laboratories, Inc. | view | |
| Unevol, Inc. | view | |
| Unger and Associates | view | |
| Ungs Electric | view | |
| Unholtz Dickie Corp. | view | |
| Unibus, Inc. | view | |
| Unicorn Developers, LTD | view | |
| Unifab | view | |
| Unified Pacific Ins | view | |
| Union Boiler Company | view | |
| Union Carbide Corporation (Carbide and Carbon Chemicals Co.) | UCNC; Union Carbide Corp. Nuclear Division; UCCND; Union Carbide and Carbon Corporation; UMETCO; U.S. Vanadium Corporation | view |
| Union Carbide Nuclear Company | U.S. Vanadium | view |
| Union Electric | view | |
| Union Machine Works, Inc. | view | |
| Union Oil Co. | view | |
| Union Pacific Railroad Company | view | |
| Union Payroll Solutions, Inc. | view | |
| Union Petroleum Corp. | view | |
| Union Sash & Door Company | view | |
| Union Tank Erection Inc. | view | |
| Union Township Fire Dept. | view | |
| Unison Corp. | view | |
| Unistrut Def | view | |
| Unistrut Eastern Service Co. | view | |
| Unistrut Northwest Services | view | |
| UNISYS | view | |
| Unit Process Company | view | |
| Unitech Services Group, Inc. | view | |
| United Building | view | |
| United Cerebral Palsy | view | |
| United Chemical Corp. | view | |
| United Cleaning | view | |
| United Coating | view | |
| United Concepts Service | view | |
| United Construction | view | |
| United Construction Supply | view | |
| United Cork Co | view | |
| United Detector Technology | view | |
| United Drywall | view | |
| United Energy Services Corporation | view | |
| United Eng. | view | |
| United Engineers | view | |
| United Engineers & Constructors, Inc. | view | |
| United Engineers and Constructors-Catalytic, Inc. | UE&C Catalytic, Inc.; Catalytic, Inc. | view |
| United Fabricating | view | |
| United Formings, Inc. | view | |
| United Foundations | view | |
| United Geosciences, Inc. | view | |
| United Hauling | view | |
| United Health Care of Ohio | view | |
| United Indian Planners Association | view | |
| United Industrial Piping | view | |
| United Lead Company | view | |
| United McGill Corporation | view | |
| United Mechanical | view | |
| United Medical Resources | view | |
| United Minerals and Energy | view | |
| United Nuclear Corp | UNC | view |
| United Nuclear Industries | view | |
| United Nuclear, Inc. | Douglas United Nuclear, Inc. | view |
| United Pacific Ins. | view | |
| United Pacific Reliancs, Inc. | view | |
| United Painting | view | |
| United Painting Company, Inc. | view | |
| United Parcel Service | view | |
| United Power Association | view | |
| United Precast, Inc. | view | |
| United Refractory Construction Co. of Pittsburg | view | |
| United Reinforcing | view | |
| United Rentals | view | |
| United Sales Assoc. | view | |
| United Science Ind | view | |
| United States Company, Inc. | view | |
| United States Enrichment Corporation | USEC; Centrus Energy Corp. | view |
| United States Gypsum Company | view | |
| United States Steel Corp. | view | |
| United States Technologies | view | |
| United States Testing Company, Inc. | view | |
| United Technologies Research Center | view | |
| United Telephone | General Telephone | view |
| United Thermal Industries, Inc. | view | |
| United Transportation | view | |
| United Truck Lines, Inc. | view | |
| United Van Lines | view | |
| United Way | view | |
| United Window Cleaning Company | view | |
| UNITEL, Inc. | view | |
| Unitize Company, Inc. | view | |
| Unitog Co. | view | |
| Unity Railway Supply Co. | view | |
| Univac Representative | view | |
| Univar | view | |
| Universal Am-Cam | view | |
| Universal Applicator | view | |
| Universal Builders Supply | view | |
| Universal Coatings | view | |
| Universal Construction Co. | view | |
| Universal Fitness | view |
BTComp is a general information resource tool. It is not intended to nor does it contain all information that relates to DOE subcontractors. We reserve the right to add or delete entries at any time. We make no warranty, expressed or implied, with respect to either the completeness of the database or the accuracy of the entries on the website.