| Marco Rubber and Plastic NV | - | 0 | - | - |
| Marco's Pizza MN | - | 0 | - | - |
| Marcolin USA, Inc AZ | - | 0 | - | - |
| Marcom Services VA | Manufacturing | 0 | - | F |
| Marcon Builder INC. CA | Construction | 1 | $150,000 | - |
| Marcon Metal USA Inc WA | Manufacturing | 0 | - | F |
| Marcone Supply/AP Wagner NY | - | 0 | - | - |
| Marcos & Javier's LLC CA | - | 0 | - | - |
| Marcum Asia CPAs LLP NY | Professional & Technical Services | 1 | $147,680 | - |
| Marcum LLP NY | Professional & Technical Services | 8 | $103,138 | - |
| Marcus & Millichap Company CA | Real Estate | 0 | - | B |
| Marcus Adler Glove Co NY | Professional & Technical Services | 1 | $60,000 | - |
| Marcus Daly Memorial Hospital Corporation MT | Healthcare & Social Assistance | 0 | - | C |
| Marcus Hotels WI | - | 0 | - | - |
| Marcus Hotels & Resorts IL | - | 0 | - | - |
| Marcy Laboratories, Inc. IL | Manufacturing | 0 | - | F |
| Marcy Plaza NY | Healthcare & Social Assistance | 0 | - | F |
| Marczyk Fine Foods CO | Retail Trade | 0 | - | B |
| Marden's Inc ME | Transportation & Warehousing | 0 | - | C |
| Mare Island Dry Dock LLC CA | Manufacturing | 0 | - | F |
| Mareana, INC. NJ | Information & Media | 1 | $137,000 | - |
| Marek TX | Construction | 0 | - | D |
| Marel, Inc. KS | Manufacturing | 0 | - | D |
| Marelli TN | Manufacturing | 0 | - | F |
| Marelli Automotive Lighting MI | - | 0 | - | - |
| Marelli Cabin Comfort USA, Inc. MS | - | 0 | - | - |
| Marelli North America MS | Manufacturing | 0 | - | F |
| Marelli North America, Inc. MI | Manufacturing | 3 | $107,073 | - |
| Marelli North America, Inc. TN | Manufacturing | 1 | $78,733 | - |
| Marelli North Caolina USA LLC (formerly Magneti Marelli Powertrain USA LLC) NC | - | 0 | - | - |
| Maremont TN | - | 0 | - | - |
| Maren-go Solutions Corporation WA | Professional & Technical Services | 1 | $144,000 | A |
| Marex Services Inc. NY | Finance & Insurance | 6 | - | - |
| Marfega Trading CO., INC MP | Real Estate | 1 | $35,360 | - |
| Margaret F. Macias, Licensed Marriage and Family Therapist CA | Healthcare & Social Assistance | 1 | $83,200 | - |
| Margaret Mary Community Hospital (dba Margaret Mary Health) IN | - | 0 | - | - |
| Margaret Mary Health IN | Healthcare & Social Assistance | 0 | - | F |
| Margaret O'Leary Inc. CA | Manufacturing | 1 | $85,000 | - |
| Margaritaville AZ | - | 0 | - | - |
| Margaritaville Casino MS | - | 0 | - | - |
| Margaritaville Hollywood Beach Resort FL | - | 0 | - | - |
| Margaritaville Hotel Nashville TN | - | 0 | - | - |
| Margaritaville Resort Casino LA | - | 0 | - | - |
| Margaritaville resort Palm Springs CA | - | 0 | - | - |
| Marge Carson, Inc. CA | - | 0 | - | - |
| Margin5 Solutions INC. NJ | Professional & Technical Services | 4 | $92,596 | - |
| Margiric Farm, LLC FL | Agriculture & Forestry | 0 | - | A |
| Marglen Industries GA | Manufacturing | 0 | - | F |
| Marguerite Concrete Inc MA | Construction | 0 | - | F |
| Maria Droste Services of Colorado, Inc. CO | Healthcare & Social Assistance | 1 | $66,780 | - |
