| FMFairbanks Morse, LLC | Jacksonville Beach, FL | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| FJFalcon Jacksonville, LLC (Vaero) | Jacksonville, FL | Transportation Equipment Manufacturing336413 | 100–499 | ◐ LIKELY ACTIVE |
| FLFlexCold, LLC | Jacksonville, FL | — | — | ◐ LIKELY ACTIVE |
| FJFL - Jacksonville - 6001 Bowdendale Ave - The American Bottling Company | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312111 | 20–99 | ◐ LIKELY ACTIVE |
| FJFL - Jacksonville - 6045 Bowdendale Ave - The American Bottling Company | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312111 | 100–499 | ◐ LIKELY ACTIVE |
| FJFL-KME Jacksonville | Jacksonville, FL | Transportation Equipment Manufacturing336611 | 20–99 | ◐ LIKELY ACTIVE |
| FFlorida | Jacksonville, FL | Miscellaneous Manufacturing339920 | 1–19 | ◐ LIKELY ACTIVE |
| FFFlorida Floats, SE Division | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327390 | 20–99 | ◐ LIKELY ACTIVE |
| FJFlorida Jacksonville Philips Hwy | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327991 | 1–19 | ◐ LIKELY ACTIVE |
| FJFlorida Jacksonville Salisbury Rd | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327991 | 20–99 | ◐ LIKELY ACTIVE |
| FCForgotten City Bottling INC | St Augustine, FL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| FFFour Fathers Distillery LLC | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| FSFrequency Spirits, LLC | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GTGlobal Trading CO. US LLC | Jacksonville, FL | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| GGnarbucha | Atlantic Beach, FL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GMGold Medal Products Company - Jacksonville | Jacksonville, FL | Machinery Manufacturing333241 | 1–19 | ◐ LIKELY ACTIVE |
Grace Aerospace | Jacksonville, FL | Transportation Equipment Manufacturing336413 | 20–99 | ◐ LIKELY ACTIVE |
| GCGreen Cove Springs ICG | Green Cove Springs, FL | Wood Product Manufacturing321215 | 100–499 | ◐ LIKELY ACTIVE |
| GMGrey Matter Distillery | Atlantic Beach, FL | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GPGr Pipe Solution LLC | Jacksonville, FL | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| GLG-v, LLC | Jacksonville, FL | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| HMHarris Meadery | Orange Park, FL | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HPHarshman Products LLC | Jacksonville Beach, FL | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| HBHGS Bioscience Eastport | Jacksonville, FL | Chemical Manufacturing325199 | 20–99 | ◐ LIKELY ACTIVE |
| HPHilex Poly A NOVOLEX Company - Jacksonville | Jacksonville, FL | Plastics and Rubber Products Manufacturing326111 | 100–499 | ◐ LIKELY ACTIVE |
| HWHilton's Welding & Fabrication INC | Hilliard, FL | Machinery Manufacturing333992 | — | ◐ LIKELY ACTIVE |
| HCHood Container Jacksonville | Jacksonville, FL | Paper Manufacturing322211 | 1–19 | ◐ LIKELY ACTIVE |
| HSHot Stick Mobile Welding LLC | Fernandina Beach, FL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| HHq | Jacksonville, FL | Transportation Equipment Manufacturing336414 | 100–499 | ◐ LIKELY ACTIVE |
| HSHydro St. Augustine | Saint Augustine, FL | Primary Metal Manufacturing331318 | 100–499 | ◐ LIKELY ACTIVE |
| IDiDeal Deals, LLC | Saint Augustine, FL | Fabricated Metal Product Manufacturing332323 | 100–499 | ◐ LIKELY ACTIVE |
| IJIem Jax1 | Jacksonville, FL | Electrical Equipment, Appliance & Component Manufacturing335313 | 500+ | ◐ LIKELY ACTIVE |
| IJIem Jax2 | Jacksonville, FL | Electrical Equipment, Appliance & Component Manufacturing335313 | 500+ | ◐ LIKELY ACTIVE |
| IJIFF Jacksonville, FL | Jacksonville, FL | Chemical Manufacturing325199 | 20–99 | ◐ LIKELY ACTIVE |
| ILIlostmyslipper LLC | Jacksonville, FL | Miscellaneous Manufacturing339993 | — | ◐ LIKELY ACTIVE |
| ILIMIA, LLC Jacksonville | Jacksonville, FL | Transportation Equipment Manufacturing336611 | 20–99 | ◐ LIKELY ACTIVE |
| IPInfra Pipe Solutions Jacksonville, LLC | Jacksonville, FL | Plastics and Rubber Products Manufacturing326122 | 20–99 | ◐ LIKELY ACTIVE |
| IPInterrail Power INC | Jacksonville, FL | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| JJacksonvil-3mus-fl | Jacksonville, FL | Miscellaneous Manufacturing339113 | 1–19 | ◐ LIKELY ACTIVE |
| JJacksonville | Jacksonville, FL | Plastics and Rubber Products Manufacturing326150 | 1–19 | ◐ LIKELY ACTIVE |
| JBJacksonville Bakery | Jacksonville, FL | Food Manufacturing311812 | 100–499 | ◐ LIKELY ACTIVE |
| JBJacksonville Branch 60 | Jacksonville, FL | Chemical Manufacturing325120 | 1–19 | ◐ LIKELY ACTIVE |
| JCJacksonville Can Plant | Jacksonville, FL | Fabricated Metal Product Manufacturing332431 | 100–499 | ◐ LIKELY ACTIVE |
| JDJacksonville DM | Jacksonville, FL | Nonmetallic Mineral Product Manufacturing327999 | 20–99 | ◐ LIKELY ACTIVE |
| JEJacksonville Engraving LLC | Jacksonville, FL | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| JFJacksonville FL | Fleming Island, FL | Miscellaneous Manufacturing339116 | 1–19 | ◐ LIKELY ACTIVE |
| JFJacksonville, FL | Jacksonville, FL | Beverage and Tobacco Product Manufacturing312111 | 100–499 | ◐ LIKELY ACTIVE |
| JFJacksonville, FL - 309 | Jacksonville, FL | Wood Product Manufacturing321920 | 20–99 | ◐ LIKELY ACTIVE |
| JFJacksonville, FL - 909 | Jacksonville, FL | Wood Product Manufacturing321920 | 20–99 | ◐ LIKELY ACTIVE |
| JFJacksonville FL Millwork | Jacksonville, FL | Furniture and Related Product Manufacturing337212 | 20–99 | ◐ LIKELY ACTIVE |