| FUJIFILM ULTRAPURE SOLUTIONS TX | Manufacturing | 0 | — | F |
| FUJIFILM ULTRAPURE SOLUTIONS, CA CA | Manufacturing | 0 | — | F |
| FUJIFILM WAKO VA | Manufacturing | 0 | — | D |
| FUJIFILM WAKO Cape Charles VA | Manufacturing | 0 | — | A |
| FUJIFLM DIOSYNTH BIOTECHNOLOGIES TEXAS, LLC. TX | Manufacturing | 0 | — | A |
| Fujirebio PA | Manufacturing | 0 | — | A |
| Fujirebio Diagnostics Inc. TX | Manufacturing | 0 | — | F |
| Fujishige Farms, Inc. CA | Agriculture & Forestry | 0 | — | B |
| FUJITEC PACIFIC, INC. GU | Construction | 1 | $56,160 | — |
| Fujitsu Frontech North America CA | — | 0 | — | — |
| Fujitsu Frontech North American Inc. (FFNA) NY | — | 0 | — | — |
| Fujitsu Network Communications, Inc NY | — | 0 | — | — |
| Fujitsu Network Communications, Inc. CA | — | 0 | — | — |
| Fujitsu Network Communications, Inc. TX | Professional & Technical Services | 5 | $125,559 | A |
| Fujitsu North America, Inc. TX | Other Services | 57 | $116,421 | A |
| Fujitsu Research of America, Inc. CA | Professional & Technical Services | 1 | $132,101 | — |
| Fukai Toyotetsu Indiana Corporation IN | Manufacturing | 0 | — | F |
| Fukoku America, Inc. SC | Manufacturing | 0 | — | D |
| Fukui Architects PC PA | Professional & Technical Services | 1 | $60,000 | — |
| Fukuvi Chemical Industry Co., Ltd. OH | Manufacturing | 0 | — | F |
| Fulcrum Analytics, Inc. NY | Professional & Technical Services | 1 | $150,000 | — |
| Fulcrum BioEnergy Inc NV | Manufacturing | 0 | — | F |
| Fulcrum Collaborations, LLC VA | Professional & Technical Services | 1 | $122,000 | — |
| Fulcrum Concepts LLC VA | Professional & Technical Services | 0 | — | A |
| Fulcrum Construction Group, LLC AL | Construction | 0 | — | A |
| Fulcrum Digital ,Inc. NY | Professional & Technical Services | 14 | $112,243 | — |
| Fulcrum Research Group LLC MA | Professional & Technical Services | 1 | $79,789 | — |
| Fulcrum Technologies Inc. OR | Manufacturing | 0 | — | D |
| Fulfil Solutions, Inc. CA | Professional & Technical Services | 1 | $172,931 | — |
| Fulfil, Inc. CA | Transportation & Warehousing | 0 | — | A |
| FULFILL FOODBANK OF MONMOUTH AND OCEAN COUNTIES NJ | Healthcare & Social Assistance | 0 | — | F |
| Fulfillment Center (for Harris Teeter) MD | — | 0 | — | — |
| Fulfillment Distribution Center Inc. MN | Transportation & Warehousing | 0 | — | A |
| Fulgent Therapeutics, LLC CA | Healthcare & Social Assistance | 9 | $108,012 | — |
| Fulghum Industries, Inc. GA | Manufacturing | 0 | — | A |
| Fuling Plastic USA, Inc. PA | Manufacturing | 0 | — | F |
| Fuling Plastics Company LTD PA | Manufacturing | 0 | — | A |
| Fulkerson Plumbing & Heating, Co., Inc. NM | Construction | 0 | — | D |
| Full Ahead Transport OR | Transportation & Warehousing | 0 | — | A |
| Full Belly Farms, Inc. CA | Agriculture & Forestry | 0 | — | F |
| Full Boar Oil Tools, Inc. TX | Mining & Extraction | 0 | — | A |
| Full Boar Pump Services TX | Wholesale Trade | 0 | — | A |
| Full Circle GA | Construction | 0 | — | F |
| Full Circle Dairy MI | Agriculture & Forestry | 0 | — | A |
| Full Circle Electronics US, LLC CA | Transportation & Warehousing | 0 | — | A |
| Full Circle Electronics US, LLC IL | Transportation & Warehousing | 0 | — | A |
| Full Circle Electronics US, LLC TX | Transportation & Warehousing | 0 | — | A |
| Full Circle Farming LLC CA | Agriculture & Forestry | 0 | — | F |
| Full Circle Industrial fka Industrial Pump & Reducer Repair IL | Other Services | 0 | — | A |
| Full Circle Recycling Inc. PA | Wholesale Trade | 0 | — | A |
