| Maihem, Inc. CA | Professional & Technical Services | 1 | $166,400 | — |
| Mail Management Services, Inc NE | Transportation & Warehousing | 0 | — | A |
| Mail Media, Inc. NY | Information & Media | 9 | $91,543 | — |
| Maimonides Medical Center NY | Healthcare & Social Assistance | 11 | $195,505 | — |
| Main Court LLC NY | — | 0 | — | — |
| Main Door Corp CA | Manufacturing | 0 | — | A |
| Main Electric Supply Company LLC CA | Wholesale Trade | 0 | — | F |
| Main Electric Supply Company LLC NV | Wholesale Trade | 0 | — | A |
| Main Enterprises Inc CT | Construction | 0 | — | F |
| MAIN FARMS, LLC MI | Agriculture & Forestry | 0 | — | C |
| MAIN GATE PRODUCTIONS LLC CA | Information & Media | 0 | — | C |
| Main Industries SC | Manufacturing | 0 | — | A |
| Main Industries VA | Manufacturing | 0 | — | F |
| Main Lane Industries TX | Construction | 0 | — | A |
| Main Line Commercial Pools, Inc. PA | Construction | 0 | — | F |
| Main Line Health, Inc. PA | Healthcare & Social Assistance | 1 | $104,208 | F |
| Main Line Logistics Inc PA | Transportation & Warehousing | 0 | — | F |
| Main Line Supply Co., Inc. OH | Wholesale Trade | 0 | — | C |
| Main Lite Electric Company, Inc. OH | Construction | 0 | — | A |
| Main Office MD | — | 0 | — | — |
| Main PA Operations Holdings LLC PA | Healthcare & Social Assistance | 0 | — | F |
| Main Place 6 TX | — | 0 | — | — |
| Main Point Logistics, LLC WI | Transportation & Warehousing | 0 | — | F |
| Main Post Partners, L.P. CA | Finance & Insurance | 2 | $130,000 | — |
| Main Seneca Corporation NY | — | 0 | — | — |
| Main Street Casual Living MS | — | 0 | — | — |
| Main Street Checks AL | Manufacturing | 0 | — | B |
| Main Street Children's Dentistry and Orthodontics of Glen Burnie MD | Healthcare & Social Assistance | 1 | $300,000 | — |
| Main Street Cupertino Hotel REIT TRS, LLC CA | Accommodation & Food Services | 0 | — | A |
| Main Street Family Pharmacy TN | — | 0 | — | — |
| Main Street Gourmet LLC OH | Manufacturing | 0 | — | D |
| Main Street Hospitality NY | Accommodation & Food Services | 0 | — | F |
| Main Street Hub NY | — | 0 | — | — |
| Main Street Lumber TX | Manufacturing | 0 | — | F |
| Main Street Manor IA | — | 0 | — | — |
| Main Street Market & Deli NE | — | 0 | — | — |
| MAIN STREET MARKET INC. CA | Retail Trade | 0 | — | A |
| Main Street Market LLC WI | Retail Trade | 0 | — | A |
| MAIN STREET MILLWORK INC. TX | Retail Trade | 0 | — | F |
| Main Street Renewal, LLC TX | Real Estate | 0 | — | F |
| Main Street Security, a dba of Bedrock Creek Foundation CA | — | 0 | — | — |
| Main Street Specialty Surgery Center CA | Healthcare & Social Assistance | 0 | — | F |
| Main Street Sports Group FL | — | 0 | — | — |
| Main Street Sports Group GA | — | 0 | — | — |
| Main Street Sports Group OH | — | 0 | — | — |
| Main Street Sports Group Cincinnati OH | — | 0 | — | — |
| Main Street Sports Group, LLC CA | — | 0 | — | — |
| Main Street Sports Group, LLC CT | — | 0 | — | — |
| Main Street Sports Group, LLC MI | — | 0 | — | — |
| Main Street Sports Group, LLC MO | — | 0 | — | — |
