| Kiefner Brothers, Inc. MO | Construction | 0 | — | F |
| Kiekert USA, Inc MI | Manufacturing | 0 | — | F |
| Kiel Center Partners MO | Arts & Entertainment | 0 | — | F |
| Kiel Sewage Treatment Plant WI | Construction | 0 | — | A |
| Kiel Thomson Company KY | Construction | 0 | — | A |
| Kiely Civil LLC. NJ | Construction | 0 | — | F |
| Kiely Engineering Inc. NJ | Professional & Technical Services | 0 | — | A |
| Kiely Pipeline Integrity NJ | Construction | 0 | — | A |
| Kiene Diesel Accessories IL | Manufacturing | 0 | — | A |
| Kienle Motor Sports, LLC. CA | Retail Trade | 0 | — | A |
| Kiepersol Enterprises, Inc. TX | Manufacturing | 0 | — | C |
| Kieschnick Industries Inc. TX | Manufacturing | 0 | — | F |
| Kiewit Engineering NY Corp NE | Construction | 1 | $157,635 | — |
| Kiewit Barnard a Joint Venture CO | Construction | 0 | — | A |
| Kiewit Building Group Inc. CO | Construction | 0 | — | A |
| Kiewit Building Group Inc. DC | Construction | 0 | — | A |
| Kiewit Building Group Inc. HI | Construction | 0 | — | A |
| Kiewit Building Group Inc. KS | Construction | 0 | — | A |
| Kiewit Building Group Inc. ND | Construction | 0 | — | A |
| Kiewit Building Group Inc. NE | Construction | 0 | — | A |
| Kiewit Building Group Inc. WA | Construction | 0 | — | A |
| Kiewit Corporation NE | Management of Companies | 7 | $128,072 | A |
| Kiewit Energy Group Inc. TX | Construction | 0 | — | A |
| Kiewit Energy Group, Inc. NE | Construction | 4 | $125,695 | — |
| Kiewit Engineering Group Inc. NE | Construction | 29 | $126,063 | — |
| Kiewit Foundations Co. NE | Construction | 0 | — | A |
| Kiewit Foundations Co. TX | Construction | 0 | — | A |
| Kiewit Infrastructure Co. CO | Construction | 0 | — | A |
| Kiewit Infrastructure Co. CT | Construction | 0 | — | A |
| Kiewit Infrastructure Co. DC | Construction | 0 | — | A |
| Kiewit Infrastructure Co. DE | Construction | 0 | — | A |
| Kiewit Infrastructure Co. IL | Construction | 0 | — | A |
| Kiewit Infrastructure Co. MD | Construction | 0 | — | A |
| Kiewit Infrastructure Co. MT | Construction | 0 | — | A |
| Kiewit Infrastructure Co. NE | Construction | 3 | $107,693 | A |
| Kiewit Infrastructure Co. NY | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. AR | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. FL | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. GA | Other Services | 0 | — | A |
| Kiewit Infrastructure South Co. NC | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. NE | Construction | 2 | $90,886 | — |
| Kiewit Infrastructure South Co. SC | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. TN | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. TX | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. VA | Construction | 0 | — | A |
| Kiewit Infrastructure South Co. WA | Construction | 0 | — | A |
| Kiewit Infrastructure West Co. AK | Construction | 0 | — | B |
| Kiewit Infrastructure West Co. AZ | Construction | 0 | — | A |
| Kiewit Infrastructure West Co. CA | Construction | 0 | — | A |
| Kiewit Infrastructure West Co. GU | Construction | 0 | — | A |