| Medical Faculty Associates, Inc. DC | Healthcare & Social Assistance | 11 | $276,127 | — |
| Medical Faculty Associates, Inc. MD | — | 0 | — | — |
| Medical Foundation of Central Mississippi MS | Healthcare & Social Assistance | 2 | $750,000 | — |
| MEDICAL FOUNDATION, INC. MS | Healthcare & Social Assistance | 2 | $418,500 | — |
| Medical Group of Beverly Hills, Inc. (dba Cedars Sinai Medical Group) CA | Healthcare & Social Assistance | 1 | $250,000 | — |
| Medical Group Queens NY | Healthcare & Social Assistance | 0 | — | B |
| Medical Illumination CA | Manufacturing | 0 | — | F |
| Medical Indicators Inc. NJ | Manufacturing | 0 | — | A |
| Medical Informatics Engineering Inc. IN | Professional & Technical Services | 1 | $71,490 | — |
| Medical Insights & Care Unlimited, LP - Houston, TX TX | Healthcare & Social Assistance | 0 | — | B |
| Medical Laboratory Services, Inc. MO | Healthcare & Social Assistance | 1 | $384,800 | — |
| Medical Machining Technologies TN | Manufacturing | 0 | — | A |
| Medical Management Health and Rehab GA | Healthcare & Social Assistance | 0 | — | C |
| Medical Management International, Inc. WA | Professional & Technical Services | 6 | $159,954 | — |
| Medical Manufacturing Technologies / Interface Catheter Solutions CA | — | 0 | — | — |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC CA | Manufacturing | 0 | — | A |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC FL | Manufacturing | 0 | — | F |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC NC | Manufacturing | 0 | — | A |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC NJ | Manufacturing | 0 | — | F |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC TX | Manufacturing | 0 | — | A |
| MEDICAL MANUFACTURING TECHNOLOGIES, LLC UT | Manufacturing | 0 | — | A |
| Medical Murray IL | Manufacturing | 0 | — | B |
| Medical Murray NC | Manufacturing | 0 | — | C |
| Medical Mutual of Ohio OH | Finance & Insurance | 9 | $108,211 | — |
| Medical Practice Management Consulting PLLC MI | Healthcare & Social Assistance | 1 | $185,000 | — |
| MEDICAL PRIORITY CONSULTANTS INC UT | Professional & Technical Services | 0 | — | A |
| MEDICAL RESEARCH NETWORK INC. IL | Professional & Technical Services | 0 | — | F |
| Medical Society of Virginia Foundation VA | Other Services | 1 | $73,000 | — |
| Medical Software Solutions, Inc. TX | Information & Media | 2 | $122,500 | — |
| Medical Solutions LLC NE | Administrative & Waste Services | 1 | $182,000 | A |
| Medical Soutions NE | Administrative & Waste Services | 0 | — | A |
| Medical Staffing Solutions IN | Administrative & Waste Services | 0 | — | A |
| Medical Staffing Solutions / TotalMed Staffing Inc. IN | Administrative & Waste Services | 0 | — | A |
| Medical Systems of Denver CO | Administrative & Waste Services | 0 | — | A |
| Medical Talent, LLC TX | Administrative & Waste Services | 0 | — | A |
| Medical Technology Industries UT | Wholesale Trade | 0 | — | F |
| Medical Transportation Management, Inc. AZ | Administrative & Waste Services | 0 | — | A |
| Medical Transportation Management, Inc. MO | Administrative & Waste Services | 0 | — | A |
| Medical Transportation Management, Inc. MS | Administrative & Waste Services | 0 | — | B |
| Medical Transportation Management, Inc. NV | Administrative & Waste Services | 0 | — | A |
| Medical Transportation Management, Inc. WI | Administrative & Waste Services | 0 | — | A |
| Medical Transportation Management, Inc.(Call Center) NY | — | 0 | — | — |
| Medical University Hospital Authority SC | Healthcare & Social Assistance | 12 | $68,078 | — |
| Medical University of South Carolina & Affiliates SC | Educational Services | 6 | $156,072 | — |
| Medical University of South Carolina (MUSC) SC | Healthcare & Social Assistance | 0 | — | D |
| Medical University of South Carolina and Affiliates SC | Educational Services | 33 | $263,352 | — |
| Medicalodges, Inc KS | Healthcare & Social Assistance | 0 | — | F |
| Medicalodges, Inc MO | Healthcare & Social Assistance | 0 | — | F |
| Medicalodges, Inc OK | Healthcare & Social Assistance | 0 | — | F |
| Medicare Trans, LLC AZ | Transportation & Warehousing | 1 | $83,200 | — |
