| Market Securities LLC NY | Finance & Insurance | 1 | $200,000 | - |
| Market Square Health Care Center, LLC ME | Healthcare & Social Assistance | 0 | - | F |
| Market Street Assisted Living, LLC OH | Healthcare & Social Assistance | 0 | - | F |
| Market Street Diner WI | - | 0 | - | - |
| Market Track, LLC IL | Professional & Technical Services | 4 | $126,243 | - |
| Market Track, LLC NY | - | 0 | - | - |
| MarketAxess Corporation NY | Professional & Technical Services | 6 | $162,167 | - |
| MarketBar Café Partners L.P. dba MarketBar CA | - | 0 | - | - |
| MarketCast, LLC CA | Professional & Technical Services | 1 | $133,760 | - |
| Marketech International Corporation USA AZ | Construction | 2 | $68,000 | B |
| Marketfare Foods AZ | - | 0 | - | - |
| Marketing Alliance Samples Inc GA | Manufacturing | 0 | - | B |
| Marketing Associates, LLC MI | Professional & Technical Services | 1 | $116,382 | - |
| Marketing Associates, LLC dba OneMagnify MI | Professional & Technical Services | 11 | $112,067 | - |
| Marketing.com CA | - | 0 | - | - |
| Marketlink Inc MN | - | 0 | - | - |
| MarketOne Builders CA | Construction | 0 | - | F |
| Marketplace Foods Albert Lea 2020 MN | - | 0 | - | - |
| MarketSB (Side Bar) CA | - | 0 | - | - |
| MarketSource NJ | - | 0 | - | - |
| MarketSource, Inc. GA | Professional & Technical Services | 1 | $184,548 | - |
| MarketWise Solutions, LLC MD | Information & Media | 4 | $295,021 | - |
| Markgraf Consulting, LLC WA | Professional & Technical Services | 1 | $132,599 | - |
| Markin Tubing NY | Manufacturing | 0 | - | F |
| Markit North America, Inc. NY | Information & Media | 27 | $133,587 | - |
| Markit On Demand, Inc. CA | Professional & Technical Services | 2 | $131,183 | - |
| Markites INC. DE | Information & Media | 1 | $96,013 | - |
| Markley Rehabilitation and Healthcare Center PA | Healthcare & Social Assistance | 0 | - | F |
| Marklund IL | Healthcare & Social Assistance | 0 | - | F |
| Marklund Children's Home IL | Healthcare & Social Assistance | 0 | - | F |
| Markov Processes International, Inc. NJ | Professional & Technical Services | 1 | $93,015 | - |
| Markow Companies MA | Transportation & Warehousing | 0 | - | F |
| Markquart Inc WI | Retail Trade | 0 | - | A |
| Marksans Pharma Inc. NY | Manufacturing | 3 | $140,264 | - |
| Marksons Pharma Inc. NY | Manufacturing | 1 | $98,384 | - |
| Markstein Beverage Company CA | Wholesale Trade | 0 | - | F |
| Markstein Sales Company CA | Manufacturing | 0 | - | F |
| Marlabs LLC NJ | Professional & Technical Services | 60 | $96,820 | - |
| Marlboro College VT | - | 0 | - | - |
| Marlboro County School District SC | Educational Services | 2 | $76,681 | - |
| Marlborough Health & Rehabilitation CT | Healthcare & Social Assistance | 0 | - | - |
| Marley Precision MI | - | 0 | - | - |
| Marlin Engineering, Inc. FL | Professional & Technical Services | 1 | $86,320 | - |
| Marlin Mechanical Corporation AZ | Construction | 0 | - | F |
| Marlinspike Hall LLC dba The Jones NY | - | 0 | - | - |
| Marlton Hotel Operating, LLC NY | - | 0 | - | - |
| Marlton Supermarket Inc. NJ | Retail Trade | 0 | - | A |
| Marmalade Café LLC CA | - | 0 | - | - |
| Marmen Energy Company SD | Manufacturing | 0 | - | F |
| Marmic Fire and Safety MO | Wholesale Trade | 0 | - | B |
