Tower Products, Jacksonville | Jacksonville, FL | Chemical Manufacturing325998 | 1–19 | ◐ LIKELY ACTIVE |
| TCTown & Country 757 | Jacksonville, FL | Fabricated Metal Product Manufacturing332322 | 1–19 | ◐ LIKELY ACTIVE |
| TCTown & Country 781 | Jacksonville, FL | Fabricated Metal Product Manufacturing332322 | 1–19 | ◐ LIKELY ACTIVE |
| TLTr Layne LLC | Green Cove Springs, FL | Printing and Related Support Activities323111 | — | ◐ LIKELY ACTIVE |
| THTrue House, Inc. - Jacksonville | Jacksonville, FL | Wood Product Manufacturing321214 | 20–99 | ◐ LIKELY ACTIVE |
| TTsfl | Atlantic Beach, FL | Transportation Equipment Manufacturing336611 | 1–19 | ◐ LIKELY ACTIVE |
| TLTug Life Brewery LLC | Orange Park, FL | Beverage and Tobacco Product Manufacturing312120 | — | ◐ LIKELY ACTIVE |
| TRTuscan Rose Vineyards | Callahan, FL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| UMUnconventional Mediums, LLC | Jacksonville, FL | Printing and Related Support Activities323113 | — | ◐ LIKELY ACTIVE |
| UJUnison Jacksonville FL | Jacksonville, FL | Transportation Equipment Manufacturing336412 | 500+ | ◐ LIKELY ACTIVE |
| UFUS076 FL Jacksonville | Jacksonville, FL | Miscellaneous Manufacturing339115 | 500+ | ◐ LIKELY ACTIVE |
| UMUsga Materials LLC | Ponte Vedra, FL | Transportation Equipment Manufacturing336212 | — | ◐ LIKELY ACTIVE |
| UOUS Outfitters LLC | Jacksonville, FL | Transportation Equipment Manufacturing336611 | — | ▲ REPORTED CLOSED |
| USUSTG St. Augustine NG | Saint Augustine, FL | Machinery Manufacturing333517 | 1–19 | ◐ LIKELY ACTIVE |
| UTUS Tool Group- Northrop St. Augustine | Saint Augustine, FL | Machinery Manufacturing333517 | 1–19 | ◐ LIKELY ACTIVE |
| UWUS Wood Procurement | Jacksonville, FL | Paper Manufacturing322110 | 20–99 | ◐ LIKELY ACTIVE |
| WFWestern Fluid Systems Corporation | Jacksonville, FL | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| WFWest Fraser Whitehouse Division (2) | Jacksonville, FL | Wood Product Manufacturing321113 | 100–499 | ◐ LIKELY ACTIVE |
| WBWicked Barley Brewing Company, LLC | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WJWincup Jacksonville | Jacksonville, FL | Plastics and Rubber Products Manufacturing326199 | 20–99 | ◐ LIKELY ACTIVE |
| CMCollective Manufacturing LLC | Saint Augustine, FL | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| GSGood Samaritan Enterprises, LLC | Jacksonville, FL | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| KIKidswego, INC. | Jacksonville, FL | Miscellaneous Manufacturing339994 | — | ◐ LIKELY ACTIVE |
| LLLegendz340 LLC | Jacksonville, FL | Printing and Related Support Activities323113 | — | ◐ LIKELY ACTIVE |
| NBNova & Brynne LLC | Jacksonville, FL | Apparel Manufacturing315990 | — | ◐ LIKELY ACTIVE |
| RCRedwire Corporation | Jacksonville, FL | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| FSFrattle Stairs and Rails, INC. | Jacksonville, FL | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| STSpecial Tool Solutions | Jacksonville, FL | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| WSWilkinson Steel Company INC | Jacksonville, FL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| 2S251 Steel | Fleming Island, FL | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| 2B2nd Bay Brewing Co | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| 3C3D Counter Tops LLC | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| 4S48forty Solutions | Jacksonville, FL | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| 6C690120710527 Corporation | Saint Augustine, FL | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| 7D7071 Davis Creek Road, LLC | Jacksonville, FL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| AFAa Fiberglass, INC. | Jacksonville, FL | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| AHAardraulics Hose and Hydraulics, LLC | Saint Augustine, FL | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| ABAbility Burglar Bars, INC. | Jacksonville, FL | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| ANAbility Next Day Installers Services, INC. | Jacksonville, FL | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| ABAcme Barricades, L.c. | Jacksonville, FL | Transportation Equipment Manufacturing336999 | — | ◇ UNVERIFIED |
| AMAdvanced Marine Preservation LLC | Jacksonville, FL | Transportation Equipment Manufacturing336611 | — | ◇ UNVERIFIED |
| AOAgr of Florida, INC. | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| ASAir Solutions Heating and Cooling, INC. | Jacksonville, FL | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| APAjax Paving Industries, Inc-nassau County | Yulee, FL | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AHAlbert Hugo Associates, INC. | Jacksonville, FL | Furniture and Related Product Manufacturing337121 | — | ◇ UNVERIFIED |
| AEAlcoa Extrusions, INC. | Keystone Heights, FL | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| APAmason Properties, LLC | Jacksonville, FL | — | — | ◇ UNVERIFIED |
| ABAmerican Buiders Supply, INC | Orange Park, FL | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| AVAmerican Valley Aviation INC | Orange Park, FL | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| ALAmeriterpenes LLC | Jacksonville, FL | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |