| Michels Industrial a division of Michels Construction, Inc WI | Construction | 0 | — | A |
| Michels Infrastructure a division of Michels Construction, Inc - NY NY | Construction | 0 | — | F |
| Michels Infrastructure a division of Michels Construction, Inc - WI- Milwaukee WI | Construction | 0 | — | A |
| Michels Marine a division of Michels Construction, Inc- WI- Lomira WI | Construction | 0 | — | A |
| Michels New Installs a division of Michels Trenchless, Inc WI | Construction | 0 | — | A |
| Michels Pacific Energy Inc- CA- Salinas CA | Construction | 0 | — | B |
| Michels Pacific Energy, Inc CA | Construction | 0 | — | B |
| Michels Pacific Energy, Inc WA | Construction | 0 | — | F |
| Michels Pipeline, Inc. IL | Construction | 0 | — | A |
| Michels Pipeline, Inc. MN | Construction | 0 | — | A |
| Michels Pipeline, Inc. MO | Manufacturing | 0 | — | F |
| Michels Pipeline, Inc. MT | Construction | 0 | — | F |
| Michels Pipeline, Inc. PA | Construction | 0 | — | A |
| Michels Pipeline, Inc. VA | Construction | 0 | — | C |
| Michels Pipeline, Inc. WA | Construction | 0 | — | F |
| Michels Pipeline, Inc. WI | Construction | 0 | — | A |
| Michels Power, Inc CT | Construction | 0 | — | A |
| Michels Power, Inc IA | Construction | 0 | — | D |
| Michels Power, Inc IL | Construction | 0 | — | A |
| Michels Power, Inc IN | Construction | 0 | — | A |
| Michels Power, Inc KS | Construction | 0 | — | A |
| Michels Power, Inc MN | Construction | 0 | — | A |
| Michels Power, Inc NH | Construction | 0 | — | A |
| Michels Power, Inc NY | Construction | 0 | — | A |
| Michels Power, Inc PA | Construction | 0 | — | B |
| Michels Power, Inc TX | Construction | 0 | — | A |
| Michels Power, Inc - NY- Massena WI | Construction | 0 | — | A |
| Michels Power, Inc-WI-ITC MVP 5 WI | Construction | 0 | — | D |
| Michels Power, Inc. MA | Construction | 0 | — | A |
| Michels Power, Inc. NM | Construction | 0 | — | A |
| Michels Power, Inc. OH | Construction | 0 | — | A |
| Michels Power, Inc. WI | Construction | 2 | $166,609 | B |
| Michels Power, Inc. WV | Construction | 0 | — | A |
| Michels Rehabilitation a division of Michels Trenchless, Inc- CT- Watertown CT | Construction | 0 | — | A |
| Michels Rehabilitation a division of Michels Trenchless, Inc- OR- Salem OR | Construction | 0 | — | A |
| Michels Rehabilitation a division of Michels Trenchless, Inc- WI- Lomira WI | Construction | 0 | — | A |
| Michels Road & Stone WI | Construction | 0 | — | B |
| Michels Trenchless, Inc. CA | Construction | 0 | — | A |
| Michels Trenchless, Inc. IL | Construction | 0 | — | A |
| Michels Tunneling a division of Michels Corproation CA | Construction | 0 | — | D |
| Michels Utility Services, Inc- WI WI | Construction | 0 | — | A |
| Michels Utility Services, Inc. CT | Construction | 0 | — | A |
| Michels Utility Services, Inc. IN | Construction | 0 | — | A |
| Michels Utility Services, Inc. MN | Construction | 0 | — | A |
| Michels Utility Services, Inc. OR | Construction | 0 | — | F |
| Michels Utility Services, Inc. WA | Construction | 0 | — | A |
| Michiana Area Council of Governments IN | Other Services | 1 | $55,000 | — |
| Michiana Hematology Oncology, PC IN | Healthcare & Social Assistance | 0 | — | A |
| Michie Concrete Products, LLC NH | Manufacturing | 0 | — | F |
| Michigan Adhesives dba Seal Bond MI | Manufacturing | 0 | — | F |