| KLLM Transport Services, LLC TN | Transportation & Warehousing | 0 | — | A |
| KLM Royal Dutch Airlines NY | Transportation & Warehousing | 1 | $106,000 | A |
| KLN Enterprises Inc MN | Manufacturing | 0 | — | F |
| KLN Family Brands MN | Manufacturing | 0 | — | F |
| KLN Steel Products Company, LLC TX | — | 0 | — | — |
| KLNTek CA | Professional & Technical Services | 1 | $102,877 | — |
| Klocke of America Inc FL | Administrative & Waste Services | 0 | — | A |
| Klockner Pentaplast OH | Manufacturing | 0 | — | F |
| klockner Pentaplast VA | Manufacturing | 0 | — | A |
| Klockner Pentaplast of America, Inc. (Klockner Barrier Films) VA | Manufacturing | 0 | — | A |
| KLOEBER ENTERPRISES, Inc. TX | Retail Trade | 0 | — | A |
| Kloeckner Metals IN | — | 0 | — | — |
| Kloeckner Metals Corporation PA | — | 0 | — | — |
| Kloeckner Metals Corporation AFI TN | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation ALP GA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation AMA TX | Wholesale Trade | 0 | — | C |
| Kloeckner Metals Corporation APA AZ | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation APP GA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation ATL GA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation AUS TX | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation CAT OK | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation CHC IL | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation CHI IL | Wholesale Trade | 0 | — | D |
| Kloeckner Metals Corporation CHL SC | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation CIL IL | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation CIN OH | Wholesale Trade | 0 | — | C |
| Kloeckner Metals Corporation CLT NC | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation CNC NC | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation CST CA | Manufacturing | 0 | — | F |
| Kloeckner Metals Corporation DFW TX | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation DUB IA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation GRN SC | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation HAI HI | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation HOU TX | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation HTX TX | Wholesale Trade | 0 | — | D |
| Kloeckner Metals Corporation IND IN | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation JAX FL | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation KMP OK | Wholesale Trade | 0 | — | D |
| Kloeckner Metals Corporation LMS MS | Wholesale Trade | 0 | — | C |
| Kloeckner Metals Corporation MEM TN | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation MID CT | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation MUR TN | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation NAS NH | Wholesale Trade | 0 | — | C |
| Kloeckner Metals Corporation NEW LA | Wholesale Trade | 0 | — | F |
| Kloeckner Metals Corporation POM FL | Wholesale Trade | 0 | — | D |
| Kloeckner Metals Corporation SFS CA | Wholesale Trade | 0 | — | B |
| Kloeckner Metals Corporation SHV LA | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation TOK OK | Wholesale Trade | 0 | — | A |
| Kloeckner Metals Corporation TPA FL | Wholesale Trade | 0 | — | D |
| Kloeckner Metals Corporation TUC AZ | Wholesale Trade | 0 | — | A |
