| Manufacturing Excellence WI | Manufacturing | 0 | — | F |
| Manufacturing Maintenance Solutions IL | Other Services | 0 | — | A |
| Manufacturing of steel products MI | Manufacturing | 0 | — | F |
| Manufacturing Partners Inc MN | Manufacturing | 0 | — | F |
| Manufacturing Solutions KS | Manufacturing | 0 | — | A |
| Manufacturing Specialties, Inc SC | Manufacturing | 0 | — | F |
| Manufacturing Specialties, Inc. IA | Manufacturing | 0 | — | F |
| Manufacturing Support Industries, Inc. DE | Manufacturing | 0 | — | A |
| Manufacturing Technology, Inc. IN | Manufacturing | 0 | — | F |
| Manulife Investment Management Timberland and Agriculture Inc. MA | Finance & Insurance | 2 | $156,000 | — |
| MANUMIT ENTERPRISES, LLC OH | Transportation & Warehousing | 0 | — | D |
| Manus Bio Inc. GA | Professional & Technical Services | 1 | $100,838 | F |
| Manus Products MN | Manufacturing | 0 | — | F |
| Manusos General Contracting Inc. IL | Construction | 0 | — | A |
| Many Blessings LLC NV | Retail Trade | 0 | — | B |
| Many Healthcare North LA | Healthcare & Social Assistance | 0 | — | A |
| Many Mansions CA | Real Estate | 0 | — | A |
| Manzana LLC MI | Agriculture & Forestry | 0 | — | A |
| Manzanita Village at Rancho Belago OR | Healthcare & Social Assistance | 0 | — | F |
| Manzo Construction, Inc. CA | Construction | 0 | — | A |
| Maola Milk & Ice Cream NC | — | 0 | — | — |
| MAP Automotive Warehouse IL | Wholesale Trade | 0 | — | C |
| MAP Automotive Warehouse WI | Wholesale Trade | 0 | — | C |
| MAP COMMUNICATIONS INC. VA | Administrative & Waste Services | 1 | $86,400 | — |
| MAP Industries INC dba OEM Tube Assemblies TN | Manufacturing | 0 | — | F |
| MAP Installed Building Products of Sagamore, LLC MA | Construction | 0 | — | F |
| MAP Installed Building Products of Seekonk, LLC MA | Construction | 0 | — | D |
| MAP of Easton, Inc IN | — | 0 | — | — |
| MAP of Easton, Inc. MS | — | 0 | — | — |
| MAP Service, Inc. MI | Wholesale Trade | 0 | — | A |
| Map-Collective Inc. DC | Professional & Technical Services | 1 | $85,000 | — |
| MAPAL Holding GMbH MI | Manufacturing | 0 | — | A |
| MAPAL Holding GmbH SC | Manufacturing | 0 | — | A |
| MAPAL Inc. MI | — | 0 | — | — |
| Mapbox, Inc. DC | Professional & Technical Services | 6 | $190,669 | — |
| MAPC (Maritime Applied Physics Corporation) MD | — | 0 | — | — |
| Mapei IL | Manufacturing | 0 | — | F |
| MAPEI Corp TX | Manufacturing | 0 | — | B |
| Mapei Corporation CA | Manufacturing | 0 | — | C |
| Mapei Corporation FL | Manufacturing | 1 | $89,669 | F |
| Mapei Corporation GA | Manufacturing | 0 | — | D |
| MAPEI Corporation NJ | Manufacturing | 0 | — | C |
| MAPEI Corporation PR | Manufacturing | 0 | — | F |
| MAPEI Corporation VA | Manufacturing | 0 | — | C |
| MAPEI Dalton, GA GA | Manufacturing | 0 | — | A |
| Mapes Industries, Inc. NE | Manufacturing | 0 | — | F |
| Mapes Panels LLC. NE | Construction | 0 | — | F |
| MAPF Logistics TX | Transportation & Warehousing | 0 | — | A |
| MAPFRE Insurance - Enterprise Contact Center AZ | — | 0 | — | — |
| MAPFRE U.S.A. CORP MA | Finance & Insurance | 2 | $123,740 | — |