| UPUc Paving INC | Troy Grove | IL | — | ◇ UNVERIFIED |
| UCU.e. Compression | Commerce City | CO | — | ◇ UNVERIFIED |
| UIUgn INC | Somerset | KY | — | ◇ UNVERIFIED |
| UDUhuru Design | Brooklyn | NY | — | ◇ UNVERIFIED |
| UAUltra Additives LLC | Bloomfield | NJ | — | ◇ UNVERIFIED |
| URUmc Retech - Former Site of | Algona | IA | — | ◇ UNVERIFIED |
| UMUmi Metalfab | Menomonee Falls | WI | — | ◇ UNVERIFIED |
 Unarco Material Handling INC | Pandora | OH | — | ◇ UNVERIFIED |
| UMUnex Manufacturing INC | Jackson | NJ | — | ◇ UNVERIFIED |
| UCUngerer & CO CORP | Lincoln Park | NJ | — | ◇ UNVERIFIED |
| USUnico Steel, INC. | City of Industry | CA | — | ◇ UNVERIFIED |
| UCUnicote Corporation | Warren | MI | — | ◇ UNVERIFIED |
| UBUnified Brands | Vicksburg | MS | — | ◇ UNVERIFIED |
| UCUnifirst CORP | Melrose Park | IL | — | ◇ UNVERIFIED |
| UTUni-glide Trailer Company | Venice | FL | — | ◇ UNVERIFIED |
| UBUnion Business Center | Cheektowaga | NY | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP | Torrance | CA | — | ◇ UNVERIFIED |
| UCUnion Carbide CORP Holz Impoundment | Near South Charleston | WV | — | ◇ UNVERIFIED |
| UCUnion County State Pond Water Plant | Jonesboro | IL | — | ◇ UNVERIFIED |
| UMUnion Metal - Canton | Canton | OH | — | ◇ UNVERIFIED |
| UPUnion Pacific Railroad | Chicago | IL | — | ◇ UNVERIFIED |
| UPUnion Partners Upx CORP Dba Lamination Specialities CORP LLC | Chicago | IL | — | ◇ UNVERIFIED |
| UPUnion Products INC | Leominster | MA | — | ◇ UNVERIFIED |
| UTUnion Tank Car - Cleveland Facility | Cleveland | TX | — | ◇ UNVERIFIED |
| UMUnique Metal Products, INC. | Oceanside | CA | — | ◇ UNVERIFIED |
| UIUnison Industries INC | Rockford | IL | — | ◇ UNVERIFIED |
| UIUnison Industries LLC Plant 2 | Dayton | OH | — | ◇ UNVERIFIED |
| UPUnitech Prepress Solutions INC | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| UAUnited Airlines Ahnoc | Arlington Heights | IL | — | ◇ UNVERIFIED |
| UCUnited Candle Company | Norwich | OH | — | ◇ UNVERIFIED |
| UCUnited Casing Tubular Services | Midland | TX | — | ◇ UNVERIFIED |
| UCUnited Coatings | Baltimore | MD | — | ◇ UNVERIFIED |
| UEUnited Engravers INC | Schaumburg | IL | — | ◇ UNVERIFIED |
| UFUnited Fabrication | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UFUnited Feather & Down INC | Des Plaines | IL | — | ◇ UNVERIFIED |
 United Fiberglass of America INC (0812100565) | Springfield | OH | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Quincy | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Rock Falls | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service | Olney | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Dekalb | Dekalb | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service, INC. | Kankakee | IL | — | ◇ UNVERIFIED |
| UPUnited Parcel Service - Ramapo Ridge (njrar) | Mahwah | NJ | — | ◇ UNVERIFIED |
| USUnited Salt Corporation | Missouri City | TX | — | ◇ UNVERIFIED |
| USUnited Science Industries INC | Okawville | IL | — | ◇ UNVERIFIED |
| USUnited States Spray Finishing CO INC | Newark | NJ | — | ◇ UNVERIFIED |
| USUnited Steel Works, INC. | Clearwater | FL | — | ◇ UNVERIFIED |
| UTUnited Technologies Automotive Sys INC | Union City | IN | — | ◇ UNVERIFIED |
| UPUnit Parts CO | Oklahoma City | OK | — | ◇ UNVERIFIED |
| USUnivar Solutions Liquids Plant Legacy Magnablend | Waxahachie | TX | — | ◇ UNVERIFIED |
| USUnivar Solutions Ssc Facility | Waxahachie | TX | — | ◇ UNVERIFIED |
| UUUnivar Usa, INC - Williston | Williston | ND | — | ◇ UNVERIFIED |
| UCUniversal Coating INC | Mount Morris | MI | — | ◇ UNVERIFIED |
| UCUniversal Coatings Corporation | Henry | TN | — | ◇ UNVERIFIED |
| UCUniversal Coatings INC | Steger | IL | — | ◇ UNVERIFIED |
| UCUniversal Compression INC | Tulsa | OK | — | ◇ UNVERIFIED |
| UFUniversal Fabricating & Construction Ser | Columbus | OH | — | ◇ UNVERIFIED |
| UGUniversal Galvinizing INC | Saint Peters | MO | — | ◇ UNVERIFIED |
| UMUniversal Marine & Industrial Services | Mobile | AL | — | ◇ UNVERIFIED |
| UOUniversal Oil Products (chemical Division) | East Rutherford | NJ | — | ◇ UNVERIFIED |
| URUniversal Rack & Equipment Co., INC | Twinsburg | OH | — | ◇ UNVERIFIED |
| USUniversal Sandblasting & Painting INC. | Lanark | WV | — | ◇ UNVERIFIED |
| USUniversal Sheetmetal INC | Woodinville | WA | — | ◇ UNVERIFIED |
| UMUniwall Mfg. CO. (1576111601) | Louisville | OH | — | ◇ UNVERIFIED |
| UUno-ven | Norridge | IL | — | ◇ UNVERIFIED |
| UIUpf INC. | Flint | MI | — | ◇ UNVERIFIED |
| UIUpm INC | Baldwin Park | CA | — | ◇ UNVERIFIED |
| UIUpper Iowa University - Peacock Arts & Athletics Center | Fayette | IA | — | ◇ UNVERIFIED |
| UPUpper Peninsula Machine & Engineering CO | Powers | MI | — | ◇ UNVERIFIED |
 Urban Electric Power INC | Pearl River | NY | — | ◇ UNVERIFIED |
| UDUrgent Design and Mfg INC | Lapeer | MI | — | ◇ UNVERIFIED |
| UNUsag Natick Ssc | Natick | MA | — | ◇ UNVERIFIED |
| ULUSA Lab INC | Livonia | MI | — | ◇ UNVERIFIED |
| UTUSA Today National Rack Center | Murfreesboro | TN | — | ◇ UNVERIFIED |
| UIU.s.c.g. Isc San Pedro | San Pedro | CA | — | ◇ UNVERIFIED |
| UCUS Chemical Storage Plant 2 | Wilkesboro | NC | — | ◇ UNVERIFIED |
| ULUscoe Louisville Repair Sta | Louisville | KY | — | ◇ UNVERIFIED |
| USUsc Saltville Brine LLC | Saltville | VA | — | ◇ UNVERIFIED |
| UDU.s. Defense National Stockpile Center Point Pleasant Depot | Point Pleasant | WV | — | ◇ UNVERIFIED |
| UDU.s. Doe Central Training Facility | Kingston | TN | — | ◇ UNVERIFIED |
| UKUsdoe Kansas City National Security Campus (kcnsc) Nm Operations (nmo) | Albuquerque | NM | — | ◇ UNVERIFIED |
| UEUS Ecology Mobile Recycling, INC. | Mount Airy | NC | — | ◇ UNVERIFIED |
| UFUS Farathane | Sterling Heights | MI | — | ◇ UNVERIFIED |
| UFUS Farathane CORP - Auburn Hills | Auburn Hills | MI | — | ◇ UNVERIFIED |
| USU S Farathane Corporation | Lake Orion | MI | — | ◇ UNVERIFIED |
| UFUS Farathane Corporation | Jackson | TN | — | ◇ UNVERIFIED |
| UFUS Farathane-merrill Rd | Sterling Heights | MI | — | ◇ UNVERIFIED |
| UFUS Farathane - Port Huron | Port Huron | MI | — | ◇ UNVERIFIED |
| UFUS Food Service INC | Glendale Heights | IL | — | ◇ UNVERIFIED |
| USU S Forgecraft CORP. | Fort Smith | AR | — | ◇ UNVERIFIED |
| UMUS Machine INC | Fairmont | WV | — | ◇ UNVERIFIED |
| UMUS Motor Recycling | Chicago | IL | — | ◇ UNVERIFIED |
| UNUS Naval Weapons Station Yorktown - Cheatham Annex | Yorktown | VA | — | ◇ UNVERIFIED |
| UPUS Pipe Fabrication | Orlando | FL | — | ◇ UNVERIFIED |
| UPU.s. Pipe Fabrication, LLC | Orlando | FL | — | ◇ UNVERIFIED |
| USUsp Structural Connectors | Montgomery | MN | — | ◇ UNVERIFIED |
| UOUsr Optonix INC | Washington | NJ | — | ◇ UNVERIFIED |
| UGUssc Group INC | Exton | PA | — | ◇ UNVERIFIED |
| USU S Steel Oilwell Services Wheeling Machine Produc | Houston | TX | — | ◇ UNVERIFIED |
| UTUS Technology Recycling CORP | Canton | OH | — | ◇ UNVERIFIED |
| UTUS Tsubaki | Portland | TN | — | ◇ UNVERIFIED |
