| McKesson Corporation PHARMA TOLLESON AZ | Wholesale Trade | 0 | - | F |
| McKesson Corporation PHARMA TRI STATES NJ | Wholesale Trade | 0 | - | F |
| McKesson Empowering Healthcare MO | - | 0 | - | - |
| McKesson Medical Surgical NE | - | 0 | - | - |
| McKesson Medical-Surgical, Inc. NJ | - | 0 | - | - |
| McKesson Medical-Surgical, Inc. SC | - | 0 | - | - |
| McKesson Pharmaceutical MD | - | 0 | - | - |
| Mckesson Pharmaceutical Corporation CA | - | 0 | - | - |
| McKesson Pharmaceutical Solutions and Services TN | - | 0 | - | - |
| McKesson Rx Technology Solutions KY | - | 0 | - | - |
| Mckibbon Hotel Management, INC. GA | Accommodation & Food Services | 0 | - | A |
| McKim & Creed, Inc. NC | Professional & Technical Services | 3 | $98,582 | - |
| McKim & Creed, Inc. NC | - | 2 | $98,873 | - |
| McKinley Children's Center, Inc CA | Healthcare & Social Assistance | 1 | $67,500 | F |
| McKinley Companies LLC MI | Real Estate | 0 | - | F |
| McKinley Manor Assisted Living LLC MI | Healthcare & Social Assistance | 1 | $85,363 | - |
| McKinley Paper Co. WA | Manufacturing | 0 | - | F |
| McKinney Ventures, LLC NC | Professional & Technical Services | 1 | $190,000 | - |
| McKinsey & Company, Inc United States NY | Professional & Technical Services | 1 | $116,000 | - |
| McKinsey & Company, Inc. United States NY | Professional & Technical Services | 156 | $243,994 | - |
| McKinsey & Company, Inc. United States NY | - | 303 | $192,000 | - |
| McKinsey & Company, Inc., United States NY | Professional & Technical Services | 1 | $143,400 | - |
| Mckinsol Consulting INC. NJ | Professional & Technical Services | 8 | $109,642 | - |
| McKinstry Co. LLC WA | Construction | 0 | - | F |
| McKinstry Essention, LLC WA | Professional & Technical Services | 1 | $97,802 | A |
| McKissack & McKissack, Inc. DC | Professional & Technical Services | 1 | $87,173 | - |
| MCL Mechanical Services, Inc MA | Construction | 0 | - | F |
| McLanahan Corporation PA | Manufacturing | 0 | - | F |
| McLane Classic Foods TX | Manufacturing | 0 | - | F |
| McLane Company Inc AL | Wholesale Trade | 0 | - | B |
| McLane Company Inc AZ | Wholesale Trade | 0 | - | B |
| McLane Company Inc CA | Wholesale Trade | 0 | - | B |
| McLane Company Inc CO | Wholesale Trade | 0 | - | D |
| McLane Company Inc FL | Wholesale Trade | 0 | - | A |
| McLane Company Inc GA | Wholesale Trade | 0 | - | D |
| McLane Company Inc IL | Wholesale Trade | 0 | - | B |
| McLane Company Inc KS | Wholesale Trade | 0 | - | D |
| McLane Company Inc KY | Wholesale Trade | 0 | - | D |
| McLane Company Inc MI | Wholesale Trade | 0 | - | C |
| McLane Company Inc MN | Wholesale Trade | 0 | - | C |
| McLane Company Inc MO | Wholesale Trade | 0 | - | C |
| McLane Company Inc MS | Wholesale Trade | 0 | - | C |
| McLane Company Inc NC | Wholesale Trade | 0 | - | C |
| McLane Company Inc NH | Wholesale Trade | 0 | - | C |
| McLane Company Inc NJ | Wholesale Trade | 0 | - | C |
| McLane Company Inc NY | Wholesale Trade | 0 | - | D |
| McLane Company Inc OH | Wholesale Trade | 0 | - | B |
| McLane Company Inc OK | Wholesale Trade | 0 | - | F |
| McLane Company Inc PA | Wholesale Trade | 0 | - | B |
| McLane Company Inc TN | Wholesale Trade | 0 | - | C |