| Montai Therapeutics, Inc. MA | Professional & Technical Services | 2 | $120,120 | - |
| Montana Coffee Traders MT | Retail Trade | 0 | - | A |
| Montana Department of Justice MT | Public Administration | 0 | - | C |
| Montana Frontier Sandstone MT | Mining & Extraction | 0 | - | F |
| Montana Gift Corral MT | Transportation & Warehousing | 0 | - | F |
| Montana Linen Supply, LLC MT | Other Services | 0 | - | F |
| Montana Precision Products MT | Manufacturing | 0 | - | F |
| Montana Reclaimed Lumber Co. MT | Wholesale Trade | 0 | - | F |
| Montana State University MT | Educational Services | 13 | $64,654 | - |
| Montana Technological University, which is part of The University of Montana MT | Educational Services | 5 | $68,140 | - |
| Montana Timber Products ID | Manufacturing | 0 | - | D |
| Montana West Inc. TX | Wholesale Trade | 1 | $52,000 | - |
| Montaplast of North America Inc KY | Manufacturing | 0 | - | F |
| Montauk Student Transport, LLC NY | - | 0 | - | - |
| Montbleu Resort Casino & Spa NV | - | 0 | - | - |
| Montcalm Care Network MI | Healthcare & Social Assistance | 0 | - | F |
| Montcare@Montgomery Village Health Care Center MD | Healthcare & Social Assistance | 0 | - | F |
| Montclair Automotive Services, Inc. dba Infiniti of Ontario CA | - | 0 | - | - |
| Montclair State University NJ | Educational Services | 15 | $120,047 | - |
| Monte Carlo Data, INC. CA | Professional & Technical Services | 1 | $234,062 | - |
| Monte Nido & Affiliates CA | - | 0 | - | - |
| Monte Nido & Associates MD | - | 0 | - | - |
| Monte Vista Grove Homes CA | Healthcare & Social Assistance | 0 | - | - |
| Montebello Care Center CA | Healthcare & Social Assistance | 0 | - | F |
| Montebello Container Company, LLC CA | - | 0 | - | - |
| Montebello Packaging VA | Manufacturing | 0 | - | F |
| Montec Securities LLC NY | Finance & Insurance | 1 | $153,000 | - |
| Montecito Club CA | Arts & Entertainment | 0 | - | F |
| Montecito Heights Healthcare & Wellness Centre, LP CA | Healthcare & Social Assistance | 1 | $124,800 | - |
| Montefiore Health System, Inc. NY | Healthcare & Social Assistance | 2 | $151,950 | - |
| Montefiore Medical Center NY | Healthcare & Social Assistance | 61 | $197,555 | - |
| Montefiore Medical Center - Pre hospital Care Department - North Division NY | - | 0 | - | - |
| Montefiore New Rochelle Hospital NY | Healthcare & Social Assistance | 2 | $120,067 | - |
| Montefiore St. Lukes Cornwall NY | Healthcare & Social Assistance | 0 | - | F |
| Monterey Bay Aquarium CA | Arts & Entertainment | 0 | - | D |
| Monterey Bay Aquarium Research Institute (MBARI) CA | Professional & Technical Services | 4 | $66,357 | - |
| Monterey Care Center CA | Healthcare & Social Assistance | 0 | - | F |
| Monterey County Office of Education CA | Educational Services | 2 | $60,745 | B |
| Monterey County Sheriff's Office CA | Public Administration | 0 | - | F |
| Monterey Gormet Foods WA | - | 0 | - | - |
| Monterey Marriott CA | Accommodation & Food Services | 0 | - | F |
| Monterey Mushrooms IL | Agriculture & Forestry | 0 | - | B |
| Monterey Mushrooms TN | Agriculture & Forestry | 0 | - | A |
| Monterey Mushrooms LLC FL | Agriculture & Forestry | 0 | - | F |
| Monterey Mushrooms, LLC CA | Agriculture & Forestry | 0 | - | B |
| Monterey Mushrooms, LLC. Royal Oaks Facility CA | Agriculture & Forestry | 0 | - | F |
| Monterey Pacific, Inc. CA | Agriculture & Forestry | 0 | - | F |
| Monterey Palms Healthcare Facility CA | Healthcare & Social Assistance | 0 | - | - |
| Monterey Park CA | Healthcare & Social Assistance | 0 | - | F |
| Monterey Peninsula Country Club CA | Arts & Entertainment | 0 | - | D |
