| Marathon Targets Inc AL | Professional & Technical Services | 2 | $212,280 | — |
| Marathon Technology Solutions, Inc. MD | Administrative & Waste Services | 0 | — | A |
| Marathon Ventures, Inc NE | Manufacturing | 0 | — | F |
| Marathon, LLC. PR | Construction | 0 | — | A |
| MarathonNorco Aerospace, Inc. TX | Manufacturing | 0 | — | B |
| Marawood Construction Services, Inc WI | Construction | 0 | — | F |
| Marbach America Inc NC | Manufacturing | 0 | — | F |
| Marbach America Inc. IN | Manufacturing | 0 | — | F |
| Marbella Interests, LLC TX | Other Services | 1 | $160,000 | — |
| Marberry Cleaners & Launderers, LLC IL | Other Services | 0 | — | A |
| Marberry Laundry, LLC IL | Other Services | 0 | — | D |
| Marberry Machine Inc TX | Manufacturing | 0 | — | F |
| Marble and Granite Works, LLC MI | — | 0 | — | — |
| Marble and Granite Works, LLC OH | — | 0 | — | — |
| Marble City Company CA | Manufacturing | 0 | — | F |
| Marble Designs of Florida FL | Construction | 0 | — | F |
| Marble Expressions Inc CA | Construction | 0 | — | F |
| Marble Falls Area EMS TX | Healthcare & Social Assistance | 0 | — | D |
| MARBLE FALLS INDEPENDENT SCHOOL DISTRICT TX | Educational Services | 1 | $53,000 | — |
| Marble Medical Inc. FL | Manufacturing | 0 | — | A |
| Marble Today, Inc. FL | Manufacturing | 0 | — | F |
| Marble's Gun Sights, Inc. MI | Manufacturing | 0 | — | F |
| Marble-US Counters, Inc. FL | Construction | 0 | — | A |
| MarBorg Industries CA | Administrative & Waste Services | 0 | — | F |
| MarBorg Recovery CA | Administrative & Waste Services | 0 | — | F |
| Marbridge Foundation Inc. TX | Healthcare & Social Assistance | 0 | — | F |
| Marburger Farm Dairy, INC PA | Manufacturing | 0 | — | F |
| Marbury Steel Fabricators, Inc. AL | Manufacturing | 0 | — | F |
| MARC MD | Transportation & Warehousing | 0 | — | A |
| Marc & Rose Hospitality AZ | Accommodation & Food Services | 0 | — | F |
| Marc 3 LLC. TX | Construction | 0 | — | A |
| Marc A. Lindsell Architect, Inc CA | Professional & Technical Services | 1 | $79,976 | — |
| MARC Community Resources, Ltd. CT | Healthcare & Social Assistance | 0 | — | F |
| MARC CONSULTING LLC. CT | Professional & Technical Services | 3 | $86,646 | — |
| Marc Dutton Irrigation, Inc MI | Construction | 0 | — | F |
| Marc Ecko Enterprise Direct LLC-Modesto CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC - Folsom CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Camarillo CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Fresno CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Gilroy CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Milpitas CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Ontario CA | — | 0 | — | — |
| Marc Ecko Enterprises Direct LLC-Tulare CA | — | 0 | — | — |
| Marc Ecko Enterprises/MEE Apparel LLC NY | — | 0 | — | — |
| Marc Glassman Inc. OH | Retail Trade | 0 | — | A |
| Marc Glassman, Inc (d/b/a Xpect Discounts) CT | — | 0 | — | — |
| Marc Glassman, Inc. d/b/a Xpect Discounts CT | — | 0 | — | — |
| Marc Heu Patisserie Paris MN | — | 0 | — | — |
| MARC Inc of Manchester CT | Healthcare & Social Assistance | 0 | — | F |
| MARC M. ASHEGHIAN COMPANY, INC. CA | Professional & Technical Services | 1 | $83,200 | — |