| Marcone Supply MO | Wholesale Trade | 0 | — | A |
| Marcone Supply NC | Wholesale Trade | 0 | — | A |
| Marcone Supply NJ | Wholesale Trade | 0 | — | A |
| Marcone Supply NM | Wholesale Trade | 0 | — | A |
| Marcone Supply NY | Wholesale Trade | 0 | — | C |
| Marcone Supply OK | Wholesale Trade | 0 | — | A |
| Marcone Supply PA | Wholesale Trade | 0 | — | A |
| Marcone Supply TN | Wholesale Trade | 0 | — | A |
| Marcone Supply TX | Wholesale Trade | 0 | — | A |
| Marcone Supply WA | Wholesale Trade | 0 | — | A |
| Marcone Supply/AP Wagner NY | — | 0 | — | — |
| Marcos & Javier's LLC CA | — | 0 | — | — |
| Marcres Manufacturing Inc. IL | Manufacturing | 0 | — | F |
| Marcum Asia CPAs LLP NY | Professional & Technical Services | 1 | $147,680 | — |
| Marcum LLP NY | Professional & Technical Services | 8 | $103,138 | — |
| Marcum's Welding & Steel Processing, Inc. IN | Manufacturing | 0 | — | A |
| Marcus & Millichap Company CA | Real Estate | 0 | — | B |
| Marcus Adler Glove Co NY | Professional & Technical Services | 1 | $60,000 | — |
| Marcus Allen Homes FL | Construction | 0 | — | A |
| Marcus Daly Memorial Hospital Corporation MT | Healthcare & Social Assistance | 0 | — | C |
| Marcus Hotels WI | — | 0 | — | — |
| Marcus Hotels & Resorts IL | — | 0 | — | — |
| Marcus Hotels and Resorts NE | Accommodation & Food Services | 0 | — | A |
| Marcus J. Griggs Orchards WA | Agriculture & Forestry | 0 | — | F |
| Marcus Noble Inc. NY | Retail Trade | 0 | — | F |
| Marcus Paint Company KY | Manufacturing | 0 | — | A |
| Marcy Excavation Services, LLC NY | Construction | 0 | — | A |
| Marcy Laboratories, Inc. IL | Manufacturing | 0 | — | F |
| Marcy Plaza NY | Healthcare & Social Assistance | 0 | — | F |
| Marczyk Fine Foods CO | Retail Trade | 0 | — | B |
| Mardant Electrical Construction Company Inc. FL | Construction | 0 | — | A |
| Mardek Enterprises Inc CA | Retail Trade | 0 | — | A |
| Marden's Inc ME | Transportation & Warehousing | 0 | — | C |
| Mardens Inc ME | Retail Trade | 0 | — | F |
| Marder Trawling, Inc. MA | Manufacturing | 0 | — | F |
| Marders the Landscape Store NY | Administrative & Waste Services | 0 | — | C |
| Mare Island Dry Dock LLC CA | Manufacturing | 0 | — | F |
| Mare Solutions, Inc. PA | Construction | 0 | — | A |
| MAREANA, INC. NJ | Information & Media | 1 | $137,000 | — |
| Mared Mechanical WI | Construction | 0 | — | F |
| MAREK GA | Construction | 0 | — | F |
| MAREK TX | Construction | 0 | — | D |
| Marel Inc. - BUF GA | Manufacturing | 0 | — | F |
| Marel, Inc. GA | Manufacturing | 0 | — | A |
| Marel, Inc. IA | Manufacturing | 0 | — | A |
| Marel, Inc. KS | Manufacturing | 0 | — | D |
| Marel, Inc. WA | Wholesale Trade | 0 | — | A |
| Marelich Mechanical CA | Construction | 0 | — | A |
| Marelli TN | Manufacturing | 0 | — | F |
| Marelli Automotive Lighting MI | — | 0 | — | — |