| Miami-Dade Police Department, Miami-Dade County FL | Professional & Technical Services | 1 | $95,091 | — |
| Miamitown Auto Parts and Recycling Inc OH | Retail Trade | 0 | — | A |
| MIAS Fashion Manufacturing Co., Inc. CA | Manufacturing | 0 | — | A |
| MiaSole Hi-Tech Corp. CA | — | 0 | — | — |
| Miba Bearings US LLC OH | Manufacturing | 0 | — | F |
| MIBA INDUSTRIAL BEARINGS LLC NE | Manufacturing | 0 | — | D |
| MIBA Industrial Bearings U.S. LLC WI | Manufacturing | 0 | — | D |
| Miba Industrial Bearings US (Houston) LLC TX | Manufacturing | 0 | — | D |
| Miba Sinter USA LLC OH | Manufacturing | 0 | — | A |
| MIC CO | Construction | 0 | — | A |
| MIC NY | Construction | 0 | — | C |
| MIC Group LLC TX | Manufacturing | 0 | — | C |
| MIC Logistics Corporation MI | Professional & Technical Services | 2 | $84,000 | — |
| Mic Network Inc. NY | — | 0 | — | — |
| MIC Services LLC MN | Construction | 0 | — | F |
| MIC Steel, Inc. GA | Construction | 0 | — | A |
| MiCa Enterpises LLC TX | Construction | 0 | — | A |
| MiCa Enterprises LLC TX | Construction | 0 | — | F |
| Mica Shop Inc IN | Manufacturing | 0 | — | A |
| MICA Steelworks TX | Manufacturing | 0 | — | F |
| Micahs Place Inc FL | Healthcare & Social Assistance | 0 | — | A |
| Mican Technologies, Inc. DE | Professional & Technical Services | 26 | $137,349 | — |
| Micanopy Animal Hospital FL | Professional & Technical Services | 0 | — | A |
| Micaramy Logistics & Trucking LLC TX | Transportation & Warehousing | 0 | — | C |
| Micasa Global Inc. TX | Professional & Technical Services | 2 | $113,377 | — |
| Miceli Drapery Company, Inc. IL | Manufacturing | 0 | — | A |
| Micelle Laboratories, Inc. TX | Manufacturing | 1 | $72,800 | — |
| Michael A. Becker General Contractor, Inc OR | Construction | 0 | — | A |
| Michael A. Ferrauilo Plumbing & Heating, Inc. NY | Construction | 0 | — | F |
| Michael Addesso Marble & Granite World, Inc PA | Construction | 0 | — | F |
| Michael and Tony Poston Partners SC | Agriculture & Forestry | 0 | — | A |
| Michael Angelo's Gourmet Foods TX | Manufacturing | 0 | — | A |
| Michael Antolino Construction, Inc. PA | Construction | 0 | — | F |
| Michael B and Karen M Palieri Enterprises, Inc dba Lynmar Builders NJ | Construction | 0 | — | A |
| Michael Baker International, Inc. PA | Professional & Technical Services | 19 | $86,777 | A |
| Michael Baker LLC MI | Retail Trade | 0 | — | A |
| Michael Barlow Well Drilling Service, Inc. MD | Construction | 0 | — | F |
| Michael Bohnhoff Enterprises DBA Pro Construction CA | Construction | 0 | — | A |
| Michael Brothers Companies PA | Wholesale Trade | 0 | — | F |
| Michael Cadillac, Inc. dba Michael Chevrolet, Michael Toyota, Michael Volkswagen CA | — | 0 | — | — |
| Michael Cetta Inc. d/b/a Sparks Steak House NY | — | 0 | — | — |
| Michael Cetta Inc. dba Sparks Steak House NY | — | 0 | — | — |
| Michael Chen CPA, A Professional Accountancy CA | Professional & Technical Services | 1 | $82,763 | — |
| Michael Curry Design, Inc. OR | Manufacturing | 0 | — | F |
| Michael E. Keating Inc NY | Construction | 0 | — | A |
| Michael Engineering, Ltd. MI | Manufacturing | 0 | — | A |
| Michael F. Ronca & Sons, Inc. PA | Construction | 0 | — | D |
| Michael Facchiano Contracting, Inc. PA | Construction | 0 | — | A |
| Michael Finer Meats and Seafood, LLC OH | Manufacturing | 0 | — | D |
| Michael Foods AZ | — | 0 | — | — |