| Mid-States Aluminum WI | Manufacturing | 0 | - | D |
| Mid-States Concrete Industries IL | Manufacturing | 0 | - | D |
| Mid-States Distributing 2019 MN | - | 0 | - | - |
| Mid-States Packaging Inc. OH | Manufacturing | 0 | - | F |
| Mid-Town Health OH | - | 0 | - | - |
| Mid-West Mfg, LLC IL | Manufacturing | 0 | - | F |
| Mid-West Spring & Stamping IN | Manufacturing | 0 | - | F |
| Mid-Wood INC OH | Wholesale Trade | 0 | - | F |
| MIDA Industries, Inc. CA | - | 0 | - | - |
| MidAmerican Energy Company IA | Utilities | 6 | - | D |
| Midas Management & Research TX | Professional & Technical Services | 1 | $130,915 | - |
| Midas Trucking Inc CA | Transportation & Warehousing | 0 | - | - |
| Midatlantic Albertsons PA | Transportation & Warehousing | 0 | - | C |
| MidAtlantic Cooperative Solutions PA | Manufacturing | 0 | - | F |
| MidCarolina Pediatrics, P.A. NC | Healthcare & Social Assistance | 1 | $68,640 | - |
| Midcoast - 123 Med ME | Healthcare & Social Assistance | 0 | - | F |
| Midcontinent Communications SD | Information & Media | 3 | $58,726 | - |
| Midcontinent Independent System Operator, Inc. IN | Utilities | 5 | $138,755 | - |
| Midcontinent Media, Inc. MN | Information & Media | 0 | - | F |
| Middle East Bakery, Inc. MA | Manufacturing | 0 | - | A |
| Middle Georgia State University GA | Educational Services | 2 | $67,943 | - |
| Middle River Aerostructure Systems MD | Manufacturing | 1 | $72,467 | - |
| Middle Tennessee Electric Membership Corporation TN | Utilities | 0 | - | F |
| Middle Tennessee State University TN | Educational Services | 2 | $92,121 | - |
| Middlebury Institute of International Studies at Monterey CA | - | 0 | - | - |
| Middlefield Oaks Senior Living OR | Healthcare & Social Assistance | 0 | - | F |
| Middlesboro Coca Cola Bottling Works Inc KY | Manufacturing | 0 | - | F |
| Middlesex Avenue Haulage LLC NJ | - | 0 | - | - |
| Middlesex Avenue Logistics, LLC NJ | - | 0 | - | - |
| Middlesex Corporation MA | Construction | 0 | - | D |
| Middlesex Health CT | Healthcare & Social Assistance | 0 | - | F |
| Middlesex Health System CT | Healthcare & Social Assistance | 0 | - | F |
| Middlesex Hospital CT | Healthcare & Social Assistance | 3 | $137,745 | - |
| Middlesex School MA | Educational Services | 1 | $75,850 | - |
| Middleton Building Supply NH | Manufacturing | 0 | - | F |
| Middletown Associates, L.L.C./Helmsley Middletown Hotel NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (Benton Ave) NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (Cameron St) NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (Grove St) NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (Hammond St) NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (North St) NY | - | 0 | - | - |
| Middletown Community Health Care, Inc. (Orchard St) NY | - | 0 | - | - |
| Middletown Community Health Center, Inc (MCHC) PA | - | 0 | - | - |
| Middletown Medical PC NY | Healthcare & Social Assistance | 1 | $350,000 | - |
| Middletown Park Rehab and HCC NY | Healthcare & Social Assistance | 0 | - | F |
| Middletown Public Schools CT | Educational Services | 0 | - | F |
| Middletown Tube Works, Inc. OH | Manufacturing | 0 | - | F |
| Middleville Engineered Solutions MI | Manufacturing | 0 | - | F |
| Middleville Tool & Die MI | Manufacturing | 0 | - | F |
| Middleware Lab Inc. CA | Professional & Technical Services | 1 | $114,795 | - |