| Kosmo Machine Inc. VA | Manufacturing | 0 | — | F |
| Kosmos Energy LLC TX | Mining & Extraction | 1 | $164,356 | — |
| Koso America, Inc. MA | Manufacturing | 0 | — | A |
| Koss Construction Company KS | Construction | 0 | — | F |
| Koss Industrial WI | Manufacturing | 0 | — | A |
| Kossuth County Hospital IA | Healthcare & Social Assistance | 1 | $61,214 | — |
| KOST MATERIALS ND | Manufacturing | 0 | — | A |
| KOST USA OH | Manufacturing | 0 | — | D |
| KOSTAL OF AMERICA, INC. MI | Manufacturing | 2 | $103,800 | — |
| KOSTELAC GREASE SERVICE, INC. IL | Manufacturing | 0 | — | A |
| Koster Keunen, Inc. CT | Manufacturing | 0 | — | B |
| Kostwein Corporation SC | Manufacturing | 0 | — | F |
| Koswire, Inc. GA | Manufacturing | 0 | — | F |
| Kotaco ND | Wholesale Trade | 0 | — | A |
| KOTAK Express LLC CA | Transportation & Warehousing | 0 | — | F |
| Kotis Design OH | Transportation & Warehousing | 0 | — | C |
| Kotis Design UT | Transportation & Warehousing | 0 | — | A |
| Koto JJBW LLC NY | Accommodation & Food Services | 1 | $85,000 | — |
| Kotobukiya Treves North America Inc. d/b/a KTNA MI | Wholesale Trade | 1 | $130,000 | — |
| Kottke Trucking Inc. MN | Transportation & Warehousing | 0 | — | C |
| Kottkes Bus Service,Inc MN | Transportation & Warehousing | 0 | — | C |
| Kotze Construction Co., Inc. WI | Construction | 0 | — | A |
| Kountry Boys Sausage TX | Manufacturing | 0 | — | F |
| Kountry Kraft Inc PA | Manufacturing | 0 | — | F |
| Kountry Wood Products IN | Manufacturing | 0 | — | C |
| Kova International, Inc. CA | Manufacturing | 0 | — | A |
| Kovach Enclosure Systems AZ | Construction | 0 | — | A |
| Kovalchick Corporation PA | Wholesale Trade | 0 | — | A |
| Kovalsky Carr Electric Supply Company inc. NY | Wholesale Trade | 0 | — | F |
| Kovalus Separation Solutions, LLC MA | — | 0 | — | — |
| Kovan Technology Solutions LLC TX | Professional & Technical Services | 12 | $97,576 | — |
| Kovatch Castings OH | Manufacturing | 0 | — | F |
| Kovatch Mobile Equipment Corporation PA | — | 0 | — | — |
| Kove Health Inc NY | Other Services | 1 | $60,000 | — |
| KOVE WILLIAMSBURG, LLC NY | Retail Trade | 1 | $70,000 | — |
| Kovilic Construction Co., Inc. IL | Construction | 0 | — | F |
| Kovlar Precision Manufacturing Inc PA | Manufacturing | 0 | — | A |
| Kowa Kentucky, Inc KY | Manufacturing | 0 | — | A |
| Kowa Pharmaceuticals America, Inc. AL | Wholesale Trade | 0 | — | A |
| Kowalski Companies, Inc. MI | Manufacturing | 0 | — | F |
| Kowalski Construction Inc. AZ | Construction | 0 | — | A |
| Kowalski Heat Treat Company OH | Manufacturing | 0 | — | F |
| Koy Concrete, Ltd TX | Manufacturing | 0 | — | F |
| KOYA CONSULTING, INC. TX | Professional & Technical Services | 4 | $95,150 | — |
| KOYAL REALTY LLC NJ | Accommodation & Food Services | 0 | — | A |
| Koyama Construction Inc. CA | Construction | 0 | — | F |
| Koyo Bearings NA GA | Manufacturing | 0 | — | D |
| Koyo Psychology, Inc CA | Healthcare & Social Assistance | 1 | $69,514 | — |
| Koza Care LLC OR | Healthcare & Social Assistance | 0 | — | F |
| Kozar Fence LLC dba Life Time Fence, Inc CO | Construction | 0 | — | A |