| UTUic Transportation Garage | Chicago | IL | — | ◇ UNVERIFIED |
| USUlrich Standard | Metamora | IL | — | ◇ UNVERIFIED |
| UCUltimate Collision Repair INC | Schaumburg | IL | — | ◇ UNVERIFIED |
| UIUltimate Image Printing | Costa Mesa | CA | — | ◇ UNVERIFIED |
| UIUltimate Image Printing, Inc. | Santa Ana | CA | — | ◇ UNVERIFIED |
| UEUltralite Enterprises Inc | Lawrenceville | GA | — | ◇ UNVERIFIED |
| UWUmda Wholesale Retail INC Dba Island Appareal | Saipan | MP | — | ◇ UNVERIFIED |
| UPUncle Phil, LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| UAUnibody Auto Collision | Chicago | IL | — | ◇ UNVERIFIED |
| UFUni Fab INC | East Saint Louis | IL | — | ◇ UNVERIFIED |
| UCUnified Communication Services Incorporated | Paterson | NJ | — | ◇ UNVERIFIED |
| UCUnifirst Corporation | Agawam | MA | — | ◇ UNVERIFIED |
| U7Union 76 | Oak Park | IL | — | ◇ UNVERIFIED |
| U7Union 76 Car Wash | Chicago | IL | — | ◇ UNVERIFIED |
| UBUnion Business Center | Cheektowaga | NY | — | ◇ UNVERIFIED |
| UCUnion County State Pond Water Plant | Jonesboro | IL | — | ◇ UNVERIFIED |
| UPUnion Pacific | Bellwood | IL | — | ◇ UNVERIFIED |
| UPUnion Pacific Railroad | Chicago | IL | — | ◇ UNVERIFIED |
| UPUnion Partners Upx CORP Dba Lamination Specialities CORP LLC | Chicago | IL | — | ◇ UNVERIFIED |
| ULUniqueactive LLC | Cicero | IL | — | ◇ UNVERIFIED |
| UIUnique Image, INC. | Northridge | CA | — | ◇ UNVERIFIED |
| UIUnique Imaging Concepts INC | Louisville | KY | — | ◇ UNVERIFIED |
| UIUnique Impressions, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| UMUnique Marble | Vero Beach | FL | — | ◇ UNVERIFIED |
| UCUni-sim Corporation | Lisbon Falls | ME | — | ◇ UNVERIFIED |
| UAUnited Airlines Ahnoc | Arlington Heights | IL | — | ◇ UNVERIFIED |
| UBUnited Bark Products | Orland | CA | — | ◇ UNVERIFIED |
| UBUnited Biologics INC | Irvine | CA | — | ◇ UNVERIFIED |
| UBUnited Biologics INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| UBUnited Building Center | Breese | IL | — | ◇ UNVERIFIED |
| UCUnited Cartage INC | Hickory Hills | IL | — | ◇ 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 |
| UPUnited Personnel Services, INC. | Whately | MA | — | ◇ UNVERIFIED |
| UPUnited Printers | Carson | CA | — | ◇ UNVERIFIED |
| UPUnited Printing, INC. | Bismarck | ND | — | ◇ UNVERIFIED |
| URUnited Real Estate LLC | Cumming | GA | — | ◇ UNVERIFIED |
| URUnited Rentals | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| URUnited/ Rubidoux Printing INC | Corona | CA | — | ◇ UNVERIFIED |
| USUnited Science Industries | Dix | IL | — | ◇ UNVERIFIED |
| USUnited Science Industries INC | Okawville | IL | — | ◇ UNVERIFIED |
| USUnited Sugars Producers & Refiners Cooperative-chicago | Chicago | IL | — | ◇ UNVERIFIED |
| UWUnited Wire Craft, INC. | Des Plaines | IL | — | ◇ UNVERIFIED |
| U5Unity 5 INC | Deerfield | IL | — | ◇ UNVERIFIED |
| USUnivar Solutions USA INC. | Carteret | NJ | — | ◇ UNVERIFIED |
| UAUniversal Athletic Services, INC. | Bozeman | MT | — | ◇ UNVERIFIED |
| UDUniversal Digital Print LLC | Saint Paul | MN | — | ◇ UNVERIFIED |
 Universal Graphics INC. | Martin | TN | — | ◇ UNVERIFIED |
 Universal Printing and Graphics, Inc. | Reno | NV | — | ◇ UNVERIFIED |
| Universal Printing CO INC | Aurora | CO | — | ◇ UNVERIFIED |
| UIUniversalPromo, Inc. | Rogers | MN | — | ◇ UNVERIFIED |
| USUniversal Sawmill | Bungay | IL | — | ◇ UNVERIFIED |
| USUniversal Screenprint | Thief River Falls | MN | — | ◇ UNVERIFIED |
| UFUniversity Frames INC | Anaheim | CA | — | ◇ UNVERIFIED |
| UPUniversity Park Golo | University Park | IL | — | ◇ UNVERIFIED |
| USUniversity Service | Decatur | IL | — | ◇ UNVERIFIED |
| UPUnlimited Printing & Copying | Tampa | FL | — | ◇ UNVERIFIED |
| UPUnlimited Printing Plus CO. | Dorchester | MA | — | ◇ 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 |
| UGUpward Graphics, LLC (JAC Properties of Oswego County, LLC | Fulton | NY | — | ◇ UNVERIFIED |
| UUr209printguy | Modesto | CA | — | ◇ UNVERIFIED |
| ULUrbanHill LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| U1Ursa 1 Stop | Ursa | IL | — | ◇ UNVERIFIED |
| UTUrsa Truck and Trailer Repair | Ursa | IL | — | ◇ UNVERIFIED |
| UIUrthpact Innovations Dba Urthpact West | Lincoln | CA | — | ◇ UNVERIFIED |
| UIUSA Ink LLC | Arlington | 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 |
| 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 |
| UCUS Can Co/new Castle Plant | New Castle | PA | — | ◇ UNVERIFIED |
| UCU.S. Canvas & Awning Corp. | Houston | TX | — | ◇ UNVERIFIED |
| UCU.s. Color Graphics CORP | Moorpark | CA | — | ◇ UNVERIFIED |
| UCUS Colorworks, LLC | Monroe | NC | — | ◇ UNVERIFIED |
| UDUS Doe Fermilab | Batavia | IL | — | ◇ UNVERIFIED |
| UDU.s. Doe Pinellas Plant | Largo | FL | — | ◇ UNVERIFIED |
| UOUsdol Osha | Akron | OH | — | ◇ UNVERIFIED |
| UDUS Dol Osha-augusta, Maine Ao | Topsham | ME | — | ◇ UNVERIFIED |
| UDU.s. Dol/osha Bridgeport | Bridgeport | CT | — | ◇ UNVERIFIED |
| UOUsdol Osha- North Aurora | Bensenville | IL | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | Westfield | MA | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | Agawam | MA | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | Ashburnham | MA | — | ◇ UNVERIFIED |
| UOUsdol - Osha Springfield Area Office | Holyoke | MA | — | ◇ UNVERIFIED |
| UDUS Dol Osha - Tampa | Orlando | FL | — | ◇ UNVERIFIED |
| UFUS Food Service INC | Glendale Heights | IL | — | ◇ UNVERIFIED |
| UGUS Gas of Burbank | Burbank | IL | — | ◇ UNVERIFIED |
| UGU.s. Government Publishing Office | Washington | DC | — | ◇ UNVERIFIED |
| UHUS Hanger Company, LLC | Gardena | CA | — | ◇ UNVERIFIED |
| UNUS Nameplate Company | Mount Vernon | IA | — | ◇ UNVERIFIED |
| USU. S. Postal Service | Washington | DC | — | ◇ UNVERIFIED |
