| Marmol Radziner, An Architecture Corporation CA | Construction | 0 | - | F |
| Marmon Foodservice Technologies Cornelius, Inc. IL | - | 0 | - | - |
| Marmon Holdings AL | Manufacturing | 0 | - | F |
| Marmon Utility LLC CT | Manufacturing | 0 | - | F |
| Marmon Utility LLC NH | Manufacturing | 0 | - | F |
| Maroa MI | Agriculture & Forestry | 0 | - | C |
| Marobo, LLC WI | - | 0 | - | - |
| Maroon Creek Club CO | Arts & Entertainment | 1 | $52,000 | - |
| Maroun Landscaping Inc NH | Administrative & Waste Services | 0 | - | F |
| Marous Brothers Construction Inc. OH | Construction | 1 | $67,500 | C |
| Marpipe Inc. NY | Information & Media | 1 | $105,000 | - |
| Marqeta, Inc. CA | Finance & Insurance | 25 | $173,141 | - |
| Marqo Inc. CA | Professional & Technical Services | 2 | $180,000 | - |
| Marquardt Switches, Inc. MI | Manufacturing | 3 | $113,866 | A |
| Marquardt Switches, Inc. NY | Manufacturing | 0 | - | A |
| Marquee Asset Management LLC CA | Real Estate | 1 | $236,038 | - |
| Marquee Event Group, Inc. IL | - | 0 | - | - |
| Marquee technology Solutions Inc. MI | Professional & Technical Services | 5 | $104,574 | - |
| Marquette Associates, Inc. IL | Finance & Insurance | 1 | $116,979 | - |
| Marquette Board of Light & Power MI | Utilities | 0 | - | F |
| Marquette County Road Commission MI | Construction | 0 | - | F |
| Marquette University WI | Educational Services | 5 | $86,724 | - |
| Marquez Brothers International, Inc. Hanford CA | Wholesale Trade | 0 | - | F |
| Marquis Companies OR | Healthcare & Social Assistance | 0 | - | F |
| Marquis Companies I, Inc NV | Healthcare & Social Assistance | 0 | - | F |
| Marquis Companies, Inc CA | Healthcare & Social Assistance | 0 | - | F |
| Marquis Energy IL | Transportation & Warehousing | 0 | - | D |
| Marquis Health Services MD | Healthcare & Social Assistance | 0 | - | F |
| Marquis Hot Tubs LLC OR | Manufacturing | 0 | - | F |
| Marquis Industries, Inc. GA | Retail Trade | 0 | - | B |
| Marquis Spas OR | - | 0 | - | - |
| Marquis Yachts WI | - | 0 | - | - |
| Marquis Yachts - Revision 1 WI | - | 0 | - | - |
| Marr B Olsen Inc CA | Construction | 0 | - | F |
| Marrakech, Inc. CT | Healthcare & Social Assistance | 0 | - | F |
| Marriot SC | - | 0 | - | - |
| Marriot (Ritz-Carlton, Lake Tahoe) CA | - | 0 | - | - |
| Marriot - Moorhead MN | - | 0 | - | - |
| Marriot - Moorhead 2020 MN | - | 0 | - | - |
| Marriot GE Healthcare Institute WI | - | 0 | - | - |
| Marriot Harbour lake FL | Accommodation & Food Services | 0 | - | F |
| Marriot International Shared Services MA | - | 0 | - | - |
| Marriot Payroll Services, LLC (Boston Marriott Cambridge) MA | - | 0 | - | - |
| Marriot Vacation Worldwide CA | Accommodation & Food Services | 0 | - | F |
| Marriott DC | Accommodation & Food Services | 0 | - | F |
| Marriott LA | Accommodation & Food Services | 0 | - | F |
| Marriott MA | Accommodation & Food Services | 0 | - | F |
| Marriott VA | Accommodation & Food Services | 0 | - | F |
| Marriott - Key Bridge VA | - | 0 | - | - |
| Marriott - Richmond VA | - | 0 | - | - |