| Monitronics International- Brinks Home CO | — | 0 | — | — |
| Monitronics International/Brinks Home NV | — | 0 | — | — |
| Monji Landscape Companies CA | Professional & Technical Services | 0 | — | A |
| MONK HEATING AND AIR CONDITIONING PA | Construction | 0 | — | F |
| Monkey's Avatar CO | — | 0 | — | — |
| MonkeySports CA Inc TX | Retail Trade | 0 | — | A |
| MonkeySports CO Inc CO | Retail Trade | 0 | — | A |
| MonkeySports Inc TX | Retail Trade | 0 | — | B |
| MonkeySports MA Inc MA | Retail Trade | 0 | — | A |
| MonkeySports NH Inc NH | Retail Trade | 0 | — | A |
| MonkeySports NJ Inc NJ | Retail Trade | 0 | — | A |
| MonkeySports NY Inc NY | Retail Trade | 0 | — | A |
| MonkeySports TX Inc TX | Retail Trade | 0 | — | A |
| Monmouth County Vocational School Distri NJ | Educational Services | 0 | — | D |
| Monmouth Faculty Practice NJ | Healthcare & Social Assistance | 0 | — | F |
| Monmouth Medical Center NJ | Healthcare & Social Assistance | 0 | — | F |
| Monmouth Medical Center - Southern Campus NJ | Healthcare & Social Assistance | 0 | — | F |
| Monmouth Rubber Corp. NJ | Manufacturing | 0 | — | D |
| Monmouth University NJ | Public Administration | 4 | $91,243 | — |
| Monmouth-Ocean Logistics, Inc NJ | Transportation & Warehousing | 0 | — | F |
| Monmouth-Roseville CUSD 238 IL | Educational Services | 1 | $42,250 | — |
| Monnettes Secor Market LLC OH | Retail Trade | 0 | — | A |
| Monnick Supply, Co. MA | Retail Trade | 0 | — | A |
| MONOC - Monmouth Ocean Hospital Services Corp. NJ | — | 0 | — | — |
| Monoceros Corporation IL | Construction | 1 | $70,824 | — |
| MONOFLO INTERNATIONAL KS | Manufacturing | 0 | — | A |
| Monoflo International, Inc. VA | Manufacturing | 0 | — | F |
| Monofrax LLC NY | Manufacturing | 0 | — | F |
| Monogram Aerospace Fasteners CA | — | 0 | — | — |
| Monogram Food Solutions, LLC IA | Manufacturing | 0 | — | C |
| Monogram Food Solutions, LLC IN | Manufacturing | 0 | — | A |
| Monogram Food Solutions, LLC MA | Manufacturing | 0 | — | C |
| Monogram Food Solutions, LLC TN | Management of Companies | 0 | — | F |
| Monogram Food Solutions, LLC VA | Manufacturing | 0 | — | B |
| Monogram Food Solutions, LLC WI | Manufacturing | 0 | — | B |
| Monogram Foods MA | Administrative & Waste Services | 0 | — | A |
| Monogram Foods TN | — | 0 | — | — |
| Monogram Foods Solutions, LLC MA | Manufacturing | 0 | — | B |
| Monogram Foods Solutions, LLC MN | Manufacturing | 0 | — | C |
| Monogram Foods-Monogram Pet Treats TX | — | 0 | — | — |
| Monogram Metals OH | Manufacturing | 0 | — | F |
| Monogram Refrigeration, LLC TN | Manufacturing | 0 | — | F |
| Monogram Technologies Inc. TX | Professional & Technical Services | 1 | $97,656 | — |
| Monolith Diagnostics AZ | Healthcare & Social Assistance | 2 | $280,000 | — |
| Monolith Nebraska LLC NE | Manufacturing | 0 | — | A |
| Monolith Resources LLC NE | Manufacturing | 1 | $160,000 | — |
| Monolith Solar Associates, LLC NY | — | 0 | — | — |
| MONOLITHIC POWER SYSTEMS, INC. CA | Manufacturing | 5 | $173,389 | — |
| Monolithic Power Systems, Inc. WA | Manufacturing | 1 | $170,000 | — |
| Monona Plumbing & Fire Protection WI | Construction | 0 | — | F |
