| UPUnion Partners Upx CORP Dba Lamination Specialities CORP LLC | Chicago | IL | — | ◇ UNVERIFIED |
| UPUnion Products INC | Leominster | MA | — | ◇ UNVERIFIED |
| ULUniqueactive LLC | Cicero | IL | — | ◇ UNVERIFIED |
| UIUnique Image, INC. | Northridge | CA | — | ◇ UNVERIFIED |
| UIUnique Impressions, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| UMUnique Marble | Vero Beach | FL | — | ◇ UNVERIFIED |
| UPUnique Plastic Designs Group LLC | Odessa | FL | — | ◇ UNVERIFIED |
| UCUni-sim Corporation | Lisbon Falls | ME | — | ◇ UNVERIFIED |
| UPUnistar Plastics LLC | Harahan | LA | — | ◇ UNVERIFIED |
| UAUnited Airlines Ahnoc | Arlington Heights | IL | — | ◇ UNVERIFIED |
| UBUnited Bark Products | Orland | CA | — | ◇ UNVERIFIED |
| UBUnited Biologics INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| UBUnited Biologics INC | Irvine | CA | — | ◇ UNVERIFIED |
| UBUnited Building Center | Breese | IL | — | ◇ UNVERIFIED |
| UCUnited Carbide LLC | Sheboygan | WI | — | ◇ UNVERIFIED |
| UCUnited Cartage INC | Hickory Hills | IL | — | ◇ UNVERIFIED |
| UCUnited Comb & Novelty Corporation | Gilbert | AZ | — | ◇ UNVERIFIED |
| UGUnited Grafix | Lexington | KY | — | ◇ UNVERIFIED |
| UGUnited Grafix, INC. D/b/a Outdoor Posters | Hixson | TN | — | ◇ UNVERIFIED |
| UGUnited Graphic Design, LLC | Mccall | ID | — | ◇ UNVERIFIED |
| UIUnited Innovations INC | Holyoke | MA | — | ◇ UNVERIFIED |
| ULUnited Labels USA LLC | Orlando | FL | — | ◇ UNVERIFIED |
| UOUnited Ocular, LLC | Midvale | UT | — | ◇ UNVERIFIED |
| UOUnited Ophthalmics LLC | Middletown | CT | — | ◇ UNVERIFIED |
| UPUnited Personnel Services, INC. | Whately | MA | — | ◇ UNVERIFIED |
 United Plastic Fabricating, INC. | Ocala | FL | — | ◇ UNVERIFIED |
| UPUnited Printers | Carson | CA | — | ◇ UNVERIFIED |
| UPUnited Printing, INC. | Bismarck | ND | — | ◇ UNVERIFIED |
| URUnited Rentals | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| USUnited Science Industries | Dix | IL | — | ◇ UNVERIFIED |
| USUnited Science Industries INC | Okawville | IL | — | ◇ UNVERIFIED |
| USUnited Solutions | Sardis | MS | — | ◇ UNVERIFIED |
| USUnited States Marble | Remus | MI | — | ◇ UNVERIFIED |
| USUnited Sugars Producers & Refiners Cooperative-chicago | Chicago | IL | — | ◇ UNVERIFIED |
| UTUnited Technologies Automotive Sys INC | Union City | IN | — | ◇ UNVERIFIED |
| UWUnited Wire Craft, INC. | Des Plaines | IL | — | ◇ UNVERIFIED |
| U5Unity 5 INC | Deerfield | IL | — | ◇ UNVERIFIED |
| ULUnity Lab Services | Pasadena | CA | — | ◇ UNVERIFIED |
| UPUnity Plastics | North Little Rock | AR | — | ◇ UNVERIFIED |
| UPUnity Prosthetics and Orthotics Inc. | Daytona Beach | FL | — | ◇ UNVERIFIED |
| UTUnity Tool INC Dba Unity Precision Manufacturing | Osseo | MN | — | ◇ UNVERIFIED |
| USUnivar Solutions USA INC. | Providence | RI | — | ◇ UNVERIFIED |
| USUnivar Solutions USA INC. | Carteret | NJ | — | ◇ UNVERIFIED |
| UGUniversal Gates & Hardware INC | Midvale | UT | — | ◇ UNVERIFIED |
 Universal Graphics INC. | Martin | TN | — | ◇ UNVERIFIED |
| UIUniversal Industries INC | Manor | TX | — | ◇ UNVERIFIED |
 Universal Printing and Graphics, Inc. | Reno | NV | — | ◇ UNVERIFIED |
| Universal Printing CO INC | Aurora | CO | — | ◇ UNVERIFIED |
| UIUniversalPromo, Inc. | Rogers | MN | — | ◇ UNVERIFIED |
| UPUniversal Protective Packaging, INC. | Mechanicsburg | PA | — | ◇ UNVERIFIED |
| USUniversal Sawmill | Bungay | IL | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| USUniversal Synergetics INC | Marlton | NJ | — | ◇ UNVERIFIED |
| UFUniversity Frames INC | Anaheim | CA | — | ◇ UNVERIFIED |
| UOUniversity of Michigan Orthotics & Prosthetics Center | Ann Arbor | MI | — | ◇ UNVERIFIED |
| UPUniversity Park Golo | University Park | IL | — | ◇ UNVERIFIED |
| USUniversity Service | Decatur | IL | — | ◇ UNVERIFIED |
| UIUni-Vue, Inc. | Troy | MI | — | ◇ UNVERIFIED |
| UMUniwall Mfg. CO. (1576111601) | Louisville | OH | — | ◇ UNVERIFIED |
| UPUnlimited Printing & Copying | Tampa | FL | — | ◇ UNVERIFIED |
| UPUnlimited Printing Plus CO. | Dorchester | MA | — | ◇ UNVERIFIED |
| UNUp North Industries LLC | Petoskey | MI | — | ◇ UNVERIFIED |
| UCUpper Case Printing Ink, Inc. | Orem | UT | — | ◇ UNVERIFIED |
| URUpper Rock Energy Partners LLC - Upper Rock Island County Landfill | East Moline | IL | — | ◇ UNVERIFIED |
| UUps | Urbana | IL | — | ◇ UNVERIFIED |
| UPUpstate Printing INC. | Syracuse | NY | — | ◇ UNVERIFIED |
| UUr209printguy | Modesto | CA | — | ◇ UNVERIFIED |
| ULUrbanHill LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| URU Recycle LLC | Salt Lake City | UT | — | ◇ UNVERIFIED |
| ULUrologix LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| U1Ursa 1 Stop | Ursa | IL | — | ◇ UNVERIFIED |
| UTUrsa Truck and Trailer Repair | Ursa | IL | — | ◇ UNVERIFIED |
| UIUrthpact Innovations Dba Urthpact West | Lincoln | CA | — | ◇ UNVERIFIED |
| UIUSA Inds | Salt Lake City | UT | — | ◇ UNVERIFIED |
| UMUSA Medical Supply | Hollywood | FL | — | ◇ UNVERIFIED |
| UMUSA Mold INC. | Newton | IA | — | ◇ UNVERIFIED |
| UPUSA Packaging LLC | Round Rock | TX | — | ◇ UNVERIFIED |
| UPUSA Printing | West Hollywood | CA | — | ◇ UNVERIFIED |
| UPUSA Printing and Graphics | Visalia | CA | — | ◇ UNVERIFIED |
| UQUSA Quickprint | Canton | OH | — | ◇ UNVERIFIED |
| URUSA Recycling & Excavation | Galesburg | IL | — | ◇ UNVERIFIED |
| UAUS Arkray INC | Doral | FL | — | ◇ UNVERIFIED |
| UAU.s. Army Corps of Engineers | Pine Bluff | AR | — | ◇ UNVERIFIED |
| UAUS Army National Guard at Midway Airport | Chicago | IL | — | ◇ UNVERIFIED |
| USUSA Skypanels | Chatsworth | CA | — | ◇ UNVERIFIED |
| UBUS Blades Sub LLC | Florence | SC | — | ◇ UNVERIFIED |
| UCUS Can Co/new Castle Plant | New Castle | PA | — | ◇ UNVERIFIED |
| UCU.S. Canvas & Awning Corp. | Houston | TX | — | ◇ UNVERIFIED |
| USU S Cast, Inc. | Elmer | NJ | — | ◇ UNVERIFIED |
| UCU.s. Color Graphics CORP | Moorpark | CA | — | ◇ UNVERIFIED |
| UCUS Cotton | Rio Rancho | NM | — | ◇ UNVERIFIED |
| UCU.s. Cotton, LLC | Charlotte | NC | — | ◇ UNVERIFIED |
| UCUS Cotton Supply LLC | Rio Rancho | NM | — | ◇ UNVERIFIED |
| UDUS Doe Fermilab | Batavia | IL | — | ◇ UNVERIFIED |
| UDU.s. Doe Pinellas Plant | Largo | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha | Akron | OH | — | ◇ UNVERIFIED |
| UOUsdol Osha - Atlanta West Ao | Mableton | GA | — | ◇ UNVERIFIED |
| UDUS Dol Osha-augusta, Maine Ao | Topsham | ME | — | ◇ UNVERIFIED |
| UDU.s. Dol/osha Bridgeport | Bridgeport | CT | — | ◇ UNVERIFIED |
| UOUsdol Osha - Concord Area Office | Keene | NH | — | ◇ UNVERIFIED |
