| TITree Island Industries Dba USA Wire | Corona | CA | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| TTT-rex Truck Products INC Dba T-rex Grilles | Corona | CA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| TATrilogy at Glen Ivy | Corona | CA | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| TKTriple K Kabinets | Corona | CA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TLTroy Lee Designs | Corona | CA | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| UPUbs Printing Group | Corona | CA | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| USUnited Screening & Crushing INC | Corona | CA | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| UIUniweb Incorporated | Corona | CA | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| UPUnlimited Performance Products | Corona | CA | Textile Mills313110 | — | ◇ UNVERIFIED |
| VLVantage Led | Corona | CA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| VEViramontes Express | Corona | CA | Furniture and Related Product Manufacturing337125 | — | ◇ UNVERIFIED |
| WLWatson Laboratories, INC. | Corona | CA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| WBW. B. Powell INC | Corona | CA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| WPWestech Products INC | Corona | CA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| WEWestern Equipment Manufacturing | Corona | CA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| WHWestern Homes CORP | Corona | CA | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| WSWestern Sheet Metals, Inc. | Corona | CA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| WCWestrock, Cp, LLC | Corona | CA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WBWgm Business Enterprises INC | Corona | CA | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| WEWz Elite Embroidery | Corona | CA | Textile Mills313220 | — | ◇ UNVERIFIED |
| ZPZion Packaging | Corona | CA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| ZLZplus LLC | Corona | CA | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
