| Kloeckner Metals Corporation TUL CA | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation TUM WA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation YOR PA | Wholesale Trade | 0 | — | C |
| Kloeckner Metals Corporation YRK PA | Wholesale Trade | 0 | — | D |
| Kloepfer Inc. ID | Construction | 0 | — | D |
| Klondike Cheese Co. WI | Manufacturing | 0 | — | F |
| Kloosterboer Dutch Harbor AK | Transportation & Warehousing | 0 | — | A |
| Klopf Architecture CA | Professional & Technical Services | 1 | $109,554 | — |
| Klopfenstein Home Rooms IN | Retail Trade | 0 | — | A |
| Klopfer Martin Design Group LLC MA | Professional & Technical Services | 1 | $66,500 | — |
| KloudData Inc. CA | Professional & Technical Services | 1 | $125,000 | — |
| Kloudoniq Inc TX | Professional & Technical Services | 1 | $105,997 | — |
| Klout 9 LLC LA | Professional & Technical Services | 1 | $36,358 | — |
| Klover Holdings, Inc IL | Finance & Insurance | 1 | $190,000 | — |
| Klover SEPA Inc. PA | Construction | 0 | — | F |
| KLOwen Braces, Inc. TX | Manufacturing | 2 | $122,530 | — |
| KLP Leesburg Products LLC AL | Manufacturing | 0 | — | F |
| KLS Doors, LLC Chaparral CA | Manufacturing | 0 | — | F |
| KLS Martin Manufacturing, LLC. FL | Manufacturing | 0 | — | A |
| KLS-Martin L.P. FL | Wholesale Trade | 0 | — | A |
| Kluber Lubrication NA LP NH | Manufacturing | 0 | — | B |
| Kluber Lubrication NA LP TX | Manufacturing | 0 | — | A |
| Klug Transport, Inc. MO | Transportation & Warehousing | 0 | — | C |
| Klune Spanish Fork UT | Manufacturing | 0 | — | C |
| Klutch OH | Retail Trade | 0 | — | B |
| Klute Inc. NE | Manufacturing | 0 | — | A |
| KLX Energy Services LLC TX | Mining & Extraction | 1 | $141,618 | — |
| KLX LLC CA | Transportation & Warehousing | 0 | — | C |
| KLX LLC ID | Transportation & Warehousing | 0 | — | A |
| KLX, Inc. CT | — | 0 | — | — |
| Klyne Corp. CA | Professional & Technical Services | 1 | $120,000 | — |
| KM Electrical, Heating & A/C, Inc. NC | Construction | 0 | — | A |
| KM Facility Services LLC AZ | Administrative & Waste Services | 0 | — | F |
| KM INTERNATIONAL MI | Wholesale Trade | 0 | — | C |
| KM Plant Services IN | — | 0 | — | — |
| KM Printing LLC MD | Manufacturing | 0 | — | D |
| KM Services, Inc. VA | Manufacturing | 0 | — | F |
| KM3G INC CA | Retail Trade | 0 | — | A |
| KMA Delivery LLC MA | Transportation & Warehousing | 0 | — | F |
| KMA Employee Leasing, LLC GA | Agriculture & Forestry | 0 | — | A |
| KMA Kubota Manufacturing of Amercia GA | Manufacturing | 0 | — | A |
| KMA Remarketing Corporation PA | Wholesale Trade | 0 | — | C |
| KMAC Construction Services, Inc. TX | Construction | 0 | — | A |
| KMAC of the Carolina's, Inc. NC | Construction | 0 | — | F |
| KMAC OF THE CAROLINAS INC NC | Construction | 0 | — | A |
| Kmart FL | — | 0 | — | — |
| Kmart IA | — | 0 | — | — |
| Kmart IN | — | 0 | — | — |
| Kmart KS | — | 0 | — | — |
| KMART MD | — | 0 | — | — |