| MSRS dba VM International CA | Manufacturing | 0 | - | F |
| MSS Energy Holdings LLC FL | Utilities | 1 | $184,500 | - |
| MSS Solutions NC | Construction | 0 | - | B |
| Mssc KY | Manufacturing | 0 | - | F |
| MST Concrete Products SC | Manufacturing | 0 | - | F |
| MSU Health Care Laboratories MI | Healthcare & Social Assistance | 0 | - | F |
| MSX International RNS LLC MI | Administrative & Waste Services | 1 | $83,158 | A |
| Msys INC DC | Professional & Technical Services | 5 | $108,430 | - |
| Mt & Associates, LLC FL | Professional & Technical Services | 2 | $110,000 | - |
| Mt Baker Products WA | Manufacturing | 0 | - | F |
| Mt Laurel Supermarket Inc. NJ | Retail Trade | 0 | - | A |
| Mt Ogden Health and Rehabilitation Center UT | Healthcare & Social Assistance | 0 | - | F |
| MT Transportation Logistics Services Inc. NY | - | 0 | - | - |
| Mt Vernon Mills GA | Manufacturing | 0 | - | B |
| Mt. Bethel Management Company NJ | Healthcare & Social Assistance | 0 | - | - |
| Mt. Clifton Fruit Company, LLC VA | Agriculture & Forestry | 0 | - | F |
| Mt. Diablo Unified School District CA | Educational Services | 6 | $111,715 | - |
| Mt. Holly Springs Specialty Paper, Inc. PA | Manufacturing | 0 | - | F |
| Mt. Hood Meadows, OREG., LLC. OR | Arts & Entertainment | 1 | $58,522 | - |
| Mt. Olympus Enterprises Inc WI | Arts & Entertainment | 0 | - | A |
| Mt. Pleasant Elementary School District CA | - | 1 | $104,633 | - |
| Mt. San Antonio Gardens CA | Healthcare & Social Assistance | 0 | - | - |
| Mt. West Research Center ID | - | 0 | - | - |
| Mt.Hood Forest Products LLC OR | Manufacturing | 0 | - | F |
| MTA New York City Transit (TA) (and subsidiary, the Manhattan & Bronx Surface Transit Operating Authority) NY | - | 0 | - | - |
| MTC Facility MD | - | 0 | - | - |
| MTC Management PLLC AZ | Professional & Technical Services | 2 | $72,966 | - |
| MTD OH | - | 0 | - | - |
| Mtd Electric Service INC WA | - | 1 | $70,990 | - |
| MTD Products Inc KY | - | 0 | - | - |
| MTD Products Inc TN | Manufacturing | 0 | - | F |
| MTD Products Inc. OH | Manufacturing | 0 | - | F |
| MTech Mechanical CO | Construction | 0 | - | A |
| MTech Mechanical Solutions Group, Inc. CO | Construction | 1 | $97,000 | - |
| MTH Family LLC CO | Agriculture & Forestry | 0 | - | F |
| Mthree Corporate Consulting Limited DE | Professional & Technical Services | 1 | $90,256 | - |
| MTI America FL | Professional & Technical Services | 0 | - | A |
| MTI Baths Inc GA | Manufacturing | 0 | - | F |
| MTI Specialty Silicones Inc. FL | - | 0 | - | - |
| MTIL, Inc IL | - | 0 | - | - |
| MTM Transit OR | Transportation & Warehousing | 0 | - | F |
| MTM Transit TX | Transportation & Warehousing | 0 | - | F |
| Mtr IT Solutions INC FL | - | 2 | $118,550 | - |
| MTRWestern LLC OR | Transportation & Warehousing | 0 | - | D |
| MTRWestern LLC WA | Transportation & Warehousing | 0 | - | B |
| MTS Logistics, Inc. NY | Transportation & Warehousing | 2 | $83,200 | - |
| MTS Systems MN | Manufacturing | 0 | - | A |
| MTSS Group Inc. NJ | Professional & Technical Services | 12 | $129,293 | - |
| MTX Group, Inc. TX | Professional & Technical Services | 16 | $159,500 | - |
| MU HealthIT INC. NJ | Professional & Technical Services | 2 | $88,889 | - |
