| Kolb Electric VA | Construction | 0 | — | B |
| Kolbe & Kolbe Millwork Co., Inc WI | Manufacturing | 0 | — | D |
| Kolbe & Kolbe Millwork Co., Inc. AZ | Manufacturing | 0 | — | A |
| Kolbe and Kolbe Millwork WI | Manufacturing | 0 | — | F |
| Kolbe Striping Inc. CO | Construction | 0 | — | F |
| Kolcraft Enterprises Inc. NC | Manufacturing | 0 | — | F |
| Kold Ban International Ltd IL | Manufacturing | 0 | — | A |
| Kole Construction IL | Construction | 0 | — | D |
| Koleaseco Inc. MI | Transportation & Warehousing | 0 | — | C |
| Kolene Corporation MI | Manufacturing | 0 | — | C |
| Kolkemeyer Transport Inc OH | Transportation & Warehousing | 0 | — | C |
| KOLLABIO, INC. VA | Professional & Technical Services | 1 | $148,221 | — |
| Kollasoft Inc NJ | Professional & Technical Services | 17 | $108,760 | — |
| Kollective Influence, Inc. CA | Professional & Technical Services | 1 | $59,600 | — |
| Koller Craft, LLC AL | Manufacturing | 0 | — | F |
| Koller Enterprises AL | Manufacturing | 0 | — | F |
| Kollmar Inc WA | Construction | 0 | — | F |
| Kollmorgen Corp CA | Manufacturing | 0 | — | A |
| Kollmorgen Corp IL | Manufacturing | 0 | — | A |
| Kollmorgen Corp MA | Manufacturing | 0 | — | A |
| Kollmorgen Corp VA | Manufacturing | 0 | — | C |
| Koloa Landing Resort HI | — | 0 | — | — |
| Koloa Landing Resort at Poipu HI | Accommodation & Food Services | 0 | — | F |
| Koloa Pacific Construction CA | Construction | 0 | — | F |
| Koloa Rum Company HI | Manufacturing | 0 | — | D |
| Koloa Rum Corp. dba Koloa Rum Company HI | Manufacturing | 0 | — | A |
| Koloni, Inc. IL | Professional & Technical Services | 1 | $91,125 | — |
| Kolvan Corporation TX | Professional & Technical Services | 1 | $150,000 | — |
| Koma Precision, Inc. CT | Manufacturing | 0 | — | F |
| KOMAN Government Solutions, LLC MA | Administrative & Waste Services | 0 | — | A |
| Komar PA | Manufacturing | 0 | — | F |
| Komar Industries OH | Manufacturing | 0 | — | A |
| Komatsu KY | Other Services | 0 | — | D |
| Komatsu MT | Other Services | 0 | — | A |
| Komatsu NV | Other Services | 0 | — | A |
| Komatsu PA | Manufacturing | 0 | — | B |
| Komatsu SC | Manufacturing | 0 | — | C |
| Komatsu TX | Manufacturing | 0 | — | B |
| Komatsu WY | Other Services | 0 | — | A |
| Komatsu America Corp NV | Other Services | 0 | — | A |
| Komatsu America Corp TN | Manufacturing | 0 | — | B |
| Komatsu America Corp UT | Other Services | 0 | — | A |
| Komatsu America Corp PMO IL | Manufacturing | 0 | — | C |
| Komatsu America Corp. IL | Manufacturing | 8 | $115,065 | — |
| Komatsu America Corp. MD | Other Services | 0 | — | A |
| Komatsu America Corp. NJ | Other Services | 0 | — | A |
| Komatsu America Corp. NY | Other Services | 0 | — | A |
| Komatsu America Corp. PA | Other Services | 0 | — | A |
| Komatsu Mining PA | Professional & Technical Services | 0 | — | F |
| Komatsu Mining UT | Other Services | 0 | — | A |
