| Fisk Electric Company TX | Construction | 0 | — | A |
| Fisk University TN | Educational Services | 3 | $74,000 | — |
| Fisker Automotive Inc CA | — | 0 | — | — |
| Fisker Group Inc. CA | Manufacturing | 1 | $96,303 | — |
| FIST Logistics LLC CA | Transportation & Warehousing | 0 | — | F |
| Fist Student OR | Transportation & Warehousing | 0 | — | A |
| Fister Distribution, Inc. KY | Transportation & Warehousing | 0 | — | D |
| Fit Athletic Club CA | — | 0 | — | — |
| FIT Electronics Inc. CA | Manufacturing | 2 | $125,339 | — |
| Fit Tight Covers IN | Manufacturing | 0 | — | A |
| FIT Voltaira Americas Corporation SC | Manufacturing | 1 | $105,352 | — |
| FIT Voltaira Americas Corporation (formerly Prettl Electric Corporation) SC | Manufacturing | 3 | $85,651 | — |
| Fitbit, Inc. CA | — | 0 | — | — |
| Fitbod, Inc. CA | Information & Media | 2 | $192,631 | — |
| Fitch Creations, Inc. NC | Accommodation & Food Services | 0 | — | F |
| Fitch Group Services, Inc. NY | Finance & Insurance | 5 | $165,670 | — |
| Fitch Lumber Company, Inc NC | Wholesale Trade | 0 | — | D |
| Fitch Ratings, Inc. NY | Finance & Insurance | 8 | $155,238 | — |
| Fitch Solutions, Inc. NY | Finance & Insurance | 2 | $134,700 | — |
| Fitchburg Gas & Electric Light Company d/b/a Unitil MA | Utilities | 0 | — | F |
| Fitchburg Welding Co., Inc. MA | Manufacturing | 0 | — | D |
| Fite Construction Company LLC AL | Construction | 0 | — | D |
| Fite Properties Inc. DBA Fite Development Company CA | Real Estate | 0 | — | A |
| Fitech/Ashley Ward IN | Manufacturing | 0 | — | F |
| Fitesa IN | Manufacturing | 0 | — | C |
| Fitesa NC | Manufacturing | 0 | — | F |
| Fitesa WI | Manufacturing | 0 | — | A |
| Fitger's on the Lake, LLC MN | Accommodation & Food Services | 0 | — | F |
| Fitler Club LLC PA | — | 0 | — | — |
| Fitness 19 CA 278, LLC CA | — | 0 | — | — |
| Fitness 19 CA 297, LLC CA | — | 0 | — | — |
| Fitness 19 CA 302, LLC CA | — | 0 | — | — |
| Fitness International CA | — | 0 | — | — |
| Fittings, Inc. TX | Manufacturing | 0 | — | F |
| Fitts & Goodwin, Inc. SC | Construction | 0 | — | A |
| Fitts and Goodwin, Inc. SC | Construction | 0 | — | A |
| Fitz and Smith Inc PA | Construction | 0 | — | A |
| Fitz Torque Convertors Inc TX | Other Services | 0 | — | A |
| Fitzco Analytics LLC GA | Professional & Technical Services | 1 | $110,000 | — |
| FitzGerald and Sons Plumbing Company GA | Construction | 0 | — | A |
| Fitzgerald Construction Inc. MN | Construction | 0 | — | A |
| FitzGerald Contractors, LLC LA | Construction | 0 | — | F |
| Fitzgerald Equipment Co., Inc. IL | Other Services | 0 | — | A |
| Fitzgerald Eveleth Nursing Home 2019 MN | — | 0 | — | — |
| Fitzgerald Finishing LLC MI | Manufacturing | 0 | — | F |
| Fitzgerald Lawnscaper LTD TX | Administrative & Waste Services | 0 | — | D |
| Fitzgerald Salvage & Recycling DE | Wholesale Trade | 0 | — | B |
| Fitzmaurice Community Services PA | Healthcare & Social Assistance | 0 | — | F |
| Fitzpatrick & Weller, Inc NY | Manufacturing | 0 | — | F |
| Fitzpatrick Hotel Group NY | Accommodation & Food Services | 0 | — | F |