| Kleo Kolor Corporation NJ | Wholesale Trade | 1 | $90,000 | — |
| Klesk Metal Stamping Company Inc. MN | Manufacturing | 0 | — | F |
| Kleyn Electric MI | Construction | 0 | — | F |
| KLH Industries, Inc. WI | Manufacturing | 0 | — | A |
| KLI Shell Lumber & Hardware LLC FL | Retail Trade | 0 | — | F |
| KLICHS LLP NJ | Professional & Technical Services | 4 | $76,250 | — |
| KLICHS, LLP. NJ | Professional & Technical Services | 3 | $92,678 | — |
| KLICK OASIS SYSTEMS INC TX | Professional & Technical Services | 2 | $98,509 | — |
| KLICK USA, INC NY | Professional & Technical Services | 1 | $204,464 | — |
| KLICKITAT COUNTY PUBLIC HOSPITAL DISTRICT 1 WA | Healthcare & Social Assistance | 2 | $89,981 | — |
| Klickitat Valley Health WA | Healthcare & Social Assistance | 0 | — | F |
| KLICO LLC IL | Transportation & Warehousing | 0 | — | F |
| Klik Technologies DBA CheckAlt NY | Finance & Insurance | 0 | — | A |
| Kliklok LLC GA | Construction | 0 | — | F |
| KLINCIS LLC NY | Professional & Technical Services | 1 | $151,819 | — |
| Kline Construction Co., Inc. NJ | — | 0 | — | — |
| Kline Electric IA | Construction | 0 | — | F |
| Kline Galland Payroll Company LLC WA | Healthcare & Social Assistance | 0 | — | F |
| Kline Hill Partners CT | Finance & Insurance | 1 | $82,306 | — |
| Kline LLC NC | Transportation & Warehousing | 0 | — | F |
| Kline Mechanical System, Inc. MS | — | 0 | — | — |
| Kline Process Systems PA | Professional & Technical Services | 0 | — | A |
| Kling Construction, Inc. CO | Construction | 0 | — | A |
| KLING PAINTING INC FL | Construction | 0 | — | F |
| Klingberg Family Center CT | Healthcare & Social Assistance | 0 | — | F |
| Klingberg Family Centers Inc CT | Healthcare & Social Assistance | 0 | — | A |
| Klingelnberg America, Inc. MI | Other Services | 0 | — | D |
| Klingemiers Sparkle Market, Inc. OH | Retail Trade | 0 | — | A |
| Klingensmith, Inc PA | Real Estate | 0 | — | F |
| KLINGER CONSTRUCTORS, LLC NM | Construction | 0 | — | B |
| Klinger IGI, Inc. OR | Manufacturing | 0 | — | F |
| KLINGER MASONRY INC OR | Construction | 0 | — | D |
| Klinger Moving Company CA | — | 0 | — | — |
| KLINGSPOR Abrasives, Inc. NC | Mining & Extraction | 0 | — | F |
| KLINK ORANGE COVE CITRUS CA | Agriculture & Forestry | 0 | — | D |
| Klink Trucking, Inc. IN | Transportation & Warehousing | 0 | — | C |
| Klippenstein Corporation CA | Manufacturing | 0 | — | F |
| Klipsch Group Inc. IN | — | 0 | — | — |
| Klis FK, LLC FL | Retail Trade | 0 | — | A |
| KLJ AZ | Agriculture & Forestry | 0 | — | A |
| KLJ Associates, Inc. PA | Professional & Technical Services | 1 | $150,000 | — |
| KLJ Leasing LLC AZ | Agriculture & Forestry | 0 | — | F |
| KLK Construction Corp IA | Construction | 0 | — | F |
| KLK Electric Inc NJ | Construction | 1 | $85,000 | — |
| KLK Holdings, Inc, dba Level 10 IA | Manufacturing | 0 | — | A |
| KLLM Transport Services IN | Transportation & Warehousing | 0 | — | C |
| KLLM transport Services (GA) GA | Transportation & Warehousing | 0 | — | B |
| KLLM Transport Services (Lancaster, TX) TX | Transportation & Warehousing | 0 | — | A |
| KLLM Transport Services (MS) MS | Transportation & Warehousing | 0 | — | D |
| KLLM Transport Services (Terrell, TX) TX | Transportation & Warehousing | 0 | — | A |
