| MaineGeneral Medical Center ME | Healthcare & Social Assistance | 3 | $370,000 | F |
| MaineGeneral Rehab & Long Term Care ME | Healthcare & Social Assistance | 0 | - | F |
| MaineHealth ME | Healthcare & Social Assistance | 15 | $126,000 | F |
| MaineHealth Care at Home ME | Healthcare & Social Assistance | 0 | - | F |
| Maines Paper & Food Service TX | - | 0 | - | - |
| Maines Paper & Food Service, Inc. MD | - | 0 | - | - |
| Maines Paper & Food Service, Inc. OH | - | 0 | - | - |
| Maines Paper and Food Service, Inc. TN | - | 0 | - | - |
| Mainframe Computer, Inc. FL | Professional & Technical Services | 1 | $200,000 | - |
| Mainfreight Inc. CA | Transportation & Warehousing | 2 | $115,000 | - |
| Maingate DSP, Inc FL | Transportation & Warehousing | 0 | - | F |
| Maini LLC GA | Professional & Technical Services | 3 | $100,000 | - |
| Mainland Logistics Inc. FL | Transportation & Warehousing | 0 | - | F |
| Mainline Information Systems LLC FL | Professional & Technical Services | 1 | $110,000 | - |
| Mains'l CA CA | Healthcare & Social Assistance | 0 | - | F |
| Mainscape, Inc. IN | Administrative & Waste Services | 0 | - | C |
| Mainspring Energy, Inc. CA | Manufacturing | 16 | $147,468 | C |
| Mainspring Management, LLC KS | Administrative & Waste Services | 1 | $120,000 | - |
| Mainsquare CO. CA | Information & Media | 1 | $113,630 | - |
| Mainstay Entertainment LLC CA | Arts & Entertainment | 1 | $56,160 | - |
| Mainstay Labs, Inc. AZ | - | 1 | $212,000 | - |
| Mainstream Engineering Corporation FL | Professional & Technical Services | 0 | - | F |
| Mainstream USA LLC AZ | - | 1 | $155,000 | - |
| MainStreet Work Inc. CA | Information & Media | 1 | $190,000 | - |
| Mains’l Financial Management Services, Inc. MN | - | 2 | $119,090 | - |
| Maintainer Corporation of Iowa IA | Manufacturing | 0 | - | F |
| MaintainX, Inc. CA | Professional & Technical Services | 2 | $185,000 | - |
| Maintenance of America, Inc. TX | Administrative & Waste Services | 0 | - | F |
| Maintenance Supply Headquarters, LP MD | - | 0 | - | - |
| Maintex CA | Manufacturing | 0 | - | F |
| Maison DeVille Nursing Home in Harvey LA | - | 0 | - | - |
| Maison DeVille Nursing Home in Houma LA | - | 0 | - | - |
| Maison Gatti LLC NY | - | 1 | $120,000 | - |
| Maison Kayser, LLC NY | - | 0 | - | - |
| Maison Orleans Health Care Center LA | - | 0 | - | - |
| Maison Solutions Inc. CA | - | 1 | $97,406 | - |
| Maitsys Inc MA | - | 1 | $176,987 | - |
| Majco LLC AZ | Retail Trade | 0 | - | D |
| Majco LLC CA | Retail Trade | 0 | - | D |
| Majco LLC CO | Retail Trade | 0 | - | D |
| Majesco NJ | Professional & Technical Services | 33 | $141,487 | - |
| Majesco HI | - | 0 | - | - |
| Majestic Industries MI | Manufacturing | 0 | - | F |
| Majestic IT Services Inc FL | Professional & Technical Services | 30 | $111,145 | - |
| Majestic Mississippi, LLC MS | Accommodation & Food Services | 0 | - | B |
| Majestic Rehabilitation and Nursing Center NJ | - | 0 | - | - |
| Majestic Steel CA | Wholesale Trade | 0 | - | F |
| Majilite MA | Manufacturing | 0 | - | F |
| Major & Associates, Inc. dba Cana Communications GA | Construction | 0 | - | F |
| Major Bi Consulting CORP FL | Professional & Technical Services | 1 | $61,963 | - |