| Mama Management USA LLC CA | — | 0 | — | — |
| Mama Management USA, LLC DBA Mama Shelter CA | — | 0 | — | — |
| Mama's Ladera Ranch, LP CA | — | 0 | — | — |
| MAMA'S ROCK & SAND, INC FL | Wholesale Trade | 0 | — | D |
| Mamacita Inc NJ | Manufacturing | 0 | — | C |
| Mamacos, Bysiewicz & Associates, LLC MA | Professional & Technical Services | 1 | $190,000 | — |
| Mamais Contracting Corp NY | Construction | 0 | — | F |
| Maman Corp IL | Construction | 0 | — | D |
| Mamava VT | Manufacturing | 0 | — | F |
| Mamba Logistics, Inc. CA | Transportation & Warehousing | 0 | — | D |
| Mambu Americas, Inc. FL | Finance & Insurance | 1 | $170,000 | — |
| Mamco Inc CA | Construction | 0 | — | F |
| MAMIDIS INC AZ | Professional & Technical Services | 1 | $86,611 | — |
| Mammoser Farms NY | Agriculture & Forestry | 0 | — | A |
| Mammoth Beers, LLC DBA Lead Dog Brewing Company & Mammoth Brewing Co. CA | Manufacturing | 0 | — | D |
| Mammoth Biosciences Inc. CA | Professional & Technical Services | 2 | $130,000 | — |
| Mammoth Brands Inc. NY | Wholesale Trade | 2 | $169,399 | — |
| Mammoth Community Water District CA | Utilities | 0 | — | A |
| Mammoth Contracting, LLC TX | Construction | 0 | — | F |
| Mammoth Design CA | Professional & Technical Services | 2 | $120,000 | — |
| Mammoth Disposal Company CA | Administrative & Waste Services | 0 | — | F |
| Mammoth Disposal Main Office CA | Administrative & Waste Services | 0 | — | F |
| Mammoth Electric, Inc. CA | Construction | 0 | — | F |
| Mammoth Mountain Ski Area - Mammoth Lakes, CA CA | Arts & Entertainment | 2 | $46,634 | — |
| Mammoth Mountain Ski Area, LLC CA | Accommodation & Food Services | 1 | $41,600 | F |
| Mammoth Music Inc dba Wooden Nickel Trucking WY | Transportation & Warehousing | 0 | — | C |
| Mammoth Prefab OH | Construction | 0 | — | A |
| Mammoth Sports Construction KS | Construction | 0 | — | D |
| Mammoth Tech NH | — | 0 | — | — |
| Mammoth Tech, Inc. OH | — | 0 | — | — |
| Mamoura Holdings (US) LLC NY | Finance & Insurance | 3 | $203,333 | — |
| Mamsys Consulting Services, Ltd. OH | Professional & Technical Services | 1 | $65,000 | — |
| MAN Engines & Components FL | Manufacturing | 0 | — | D |
| Man Investments USA Holdings Inc NY | Finance & Insurance | 5 | $185,835 | — |
| Man-Dell Food Stores dba Key Food NY | — | 0 | — | — |
| Mana Nutrition GA | Manufacturing | 0 | — | F |
| Mana Products, Inc. NY | Manufacturing | 0 | — | F |
| Mana'o Construction LLC HI | Administrative & Waste Services | 0 | — | A |
| Manac Trailers USA, Inc. MO | Manufacturing | 0 | — | F |
| Manafort Brothers Incorporated CT | Construction | 0 | — | C |
| Manafort Brothers Incorporated NE | Administrative & Waste Services | 0 | — | A |
| Manafort Transit MA | Construction | 0 | — | C |
| Manafort-Precision, LLC MA | Construction | 0 | — | F |
| MANAG-E IT SERVICES LLC CO | Professional & Technical Services | 1 | $80,000 | — |
| Manage Your Business, LLC NY | Professional & Technical Services | 1 | $60,320 | — |
| Managed by Q, LLC (formerly a WeWork Management LLC and WeCo. Inc. subsidiary) NY | — | 0 | — | — |
| Managed By- Heritage Operations Group IL | Healthcare & Social Assistance | 0 | — | F |
| Managed Health Care Associates, Inc. NJ | Professional & Technical Services | 1 | $157,668 | — |
| Managed Healthcare Partners FL | Healthcare & Social Assistance | 0 | — | A |
| Managed Production Services LLC. NC | Transportation & Warehousing | 0 | — | F |
