| Korellis Roofing, Inc IN | Construction | 0 | — | D |
| Korex Chicago LLC IL | Manufacturing | 0 | — | F |
| Korf Continental NE | — | 0 | — | — |
| Korff Holdings LLC OH | Manufacturing | 0 | — | F |
| Korfhage Landscape & Designs, Inc KY | Administrative & Waste Services | 0 | — | F |
| Korman Signs Inc. VA | Construction | 0 | — | F |
| Korn Ferry (US) CA | Professional & Technical Services | 3 | $165,660 | — |
| Kornerstone Administrative Services, LLC UT | Finance & Insurance | 1 | $140,000 | — |
| Kornerstone Kitchens LLC NY | Construction | 0 | — | F |
| KORNS GALVANIZING INC PA | Manufacturing | 0 | — | F |
| Koroseal Interior Products KY | Manufacturing | 0 | — | D |
| Koroseal Interior Products OH | Manufacturing | 0 | — | A |
| Korrus Inc - Fremont CA | Manufacturing | 0 | — | A |
| Korrus Inc. Tustin CA | Manufacturing | 0 | — | F |
| KORRUS, INC. CA | Manufacturing | 1 | $136,500 | — |
| Korry Electronics WA | Manufacturing | 0 | — | F |
| Kort's Construction Services, Inc LA | Construction | 0 | — | A |
| Korte & Luitjohan Contactors, Inc. IL | Construction | 0 | — | A |
| Korte & Luitjohan Contactors, Inc. Belleville LTCP-UV #2213 IL | Construction | 0 | — | A |
| Korte & Luitjohan Contactors, Inc. Operators Dig Building #2214 IL | Construction | 0 | — | A |
| Korte & Luitjohan Contactors, Inc. Winfield WWTP #2114 IL | Construction | 0 | — | F |
| Korte and Luitjohan Contractors, Inc. IL | Construction | 0 | — | A |
| Korte Construction Company DBA The Korte Company IL | Construction | 0 | — | A |
| Korte Construction Company DBA The Korte Company MO | Construction | 0 | — | A |
| Korte Electric, Inc. IN | Construction | 0 | — | F |
| Korth Transfer WI | Transportation & Warehousing | 0 | — | B |
| Kortick Manufacturing, Inc CA | Manufacturing | 0 | — | F |
| Kortman Masonry, Inc MI | Construction | 0 | — | D |
| Kortman, Inc AZ | Construction | 0 | — | A |
| KoruLabs LLC WY | Professional & Technical Services | 1 | $71,000 | — |
| Korvis LLC OR | Manufacturing | 0 | — | F |
| KOS Nutritionals, LLC CA | Retail Trade | 1 | $75,000 | — |
| Kosan Crisplant Missouri Inc IL | Wholesale Trade | 0 | — | A |
| Kosan Crisplant Missouri Inc MI | Wholesale Trade | 0 | — | A |
| Kosan Crisplant Missouri Inc MO | Wholesale Trade | 0 | — | F |
| Kosan Crisplant Missouri Inc PA | Wholesale Trade | 0 | — | F |
| Kosan Crisplant Missouri Inc TX | Wholesale Trade | 0 | — | F |
| Kosciusko Ambulance Service LLC IN | Healthcare & Social Assistance | 0 | — | C |
| Kosciusko Community Hospital IN | Healthcare & Social Assistance | 0 | — | F |
| Kosciusko Community YMCA IN | — | 0 | — | — |
| Kosciusko County Government IN | Public Administration | 0 | — | B |
| Kosciusko REMC IN | Construction | 0 | — | A |
| Kosei St. Marys Corporation OH | Manufacturing | 0 | — | D |
| Koserca, Inc TX | Mining & Extraction | 0 | — | A |
| Kosh Ophthalmic - Essilor of America FL | Wholesale Trade | 0 | — | A |
| Kosher Valley, LLC NY | — | 0 | — | — |
| Koshkil North America INC TX | Manufacturing | 0 | — | A |
| Kosiski Auto NE | Wholesale Trade | 0 | — | B |
| Kosma Tech Inc MI | Professional & Technical Services | 5 | $90,800 | — |
| KosmixIT LLC VA | Professional & Technical Services | 4 | $96,010 | — |
