| Karpp Boston MA | Wholesale Trade | 0 | — | A |
| Karrenbrock Construction MO | Construction | 0 | — | D |
| Karrenbrock Excavating MO | Construction | 0 | — | A |
| Karsten Interiors Services TX | Construction | 0 | — | A |
| KARSUN SOLUTIONS LLC VA | Professional & Technical Services | 5 | $149,014 | — |
| karsyn construction inc CA | Construction | 0 | — | F |
| Kartech Solutions, Inc. SC | Professional & Technical Services | 4 | $72,000 | — |
| Kartechner Brothers LLC WI | Construction | 0 | — | A |
| Kartini Clinic OR | Healthcare & Social Assistance | 0 | — | A |
| Karton Logistics LLC CT | Transportation & Warehousing | 0 | — | F |
| Kartyl LLC OR | Retail Trade | 0 | — | A |
| KARV IT SOLUTIONS LLC TX | Professional & Technical Services | 1 | $83,700 | — |
| karvo companies OH | Construction | 0 | — | F |
| Karwell Technologiies Inc NJ | Professional & Technical Services | 29 | $97,711 | — |
| Karyleion, Inc CA | — | 0 | — | — |
| KARYO E SYSTEMS INC VA | Professional & Technical Services | 4 | $94,802 | — |
| Karyopharm Therapeutics Inc. MA | Manufacturing | 3 | $132,445 | — |
| KAS Construction Consultants LLC NJ | Construction | 0 | — | F |
| Kasa Companies KS | Manufacturing | 0 | — | A |
| Kasai OH | Manufacturing | 0 | — | B |
| Kasai North America AL | Manufacturing | 0 | — | B |
| Kasai North America, Inc. TN | Manufacturing | 1 | $123,136 | D |
| Kasasa, LTD TX | — | 0 | — | — |
| Kasco Fab, Inc. CA | Manufacturing | 0 | — | F |
| Kasco LLC MO | Manufacturing | 1 | $130,000 | — |
| KASCO STRUCTURES LLC TX | Manufacturing | 0 | — | F |
| Kasco, LLC MI | Construction | 0 | — | C |
| KASE EQUIPMENT CORPORATION OH | Manufacturing | 0 | — | D |
| Kase Printing, Inc. NH | Manufacturing | 0 | — | F |
| Kasel Industires CO | Manufacturing | 0 | — | A |
| Kasey FL | Construction | 0 | — | A |
| Kaseya US LLC FL | Professional & Technical Services | 9 | $128,388 | — |
| Kasgor Rail Corp PA | Manufacturing | 0 | — | A |
| Kasgro Rail Corp. PA | Manufacturing | 0 | — | F |
| Kash Apparel LLC CA | Wholesale Trade | 0 | — | A |
| KASH CA, INC. ID | Manufacturing | 0 | — | A |
| KASH Subsidiaries Inc. IN | Retail Trade | 0 | — | A |
| Kashaco, Inc. CA | — | 0 | — | — |
| Kashi CA | — | 0 | — | — |
| Kashi Dental TX | Healthcare & Social Assistance | 1 | $115,000 | — |
| Kashiv BioScience LLC IL | Manufacturing | 0 | — | A |
| Kashiv BioScience LLC NJ | Manufacturing | 0 | — | A |
| Kashiv Biosciences IL | Manufacturing | 0 | — | A |
| Kashiv BioSciences LLC NJ | Manufacturing | 4 | $109,618 | A |
| Kashunamiut School District AK | Educational Services | 6 | $65,000 | — |
| Kaskaskia Community College District 501 IL | Educational Services | 0 | — | B |
| Kaskaskia Engineering Group, LLC IL | Construction | 0 | — | F |
| Kaski Inc MN | Construction | 0 | — | F |
| Kaski Logging Inc. WA | Agriculture & Forestry | 0 | — | F |
| Kaslo LLC NH | Construction | 0 | — | A |