| MC Machinery Systems, Inc. IL | Wholesale Trade | 0 | — | B |
| MC Management of Rochester, LLC NY | Accommodation & Food Services | 0 | — | F |
| MC Management, Inc./JR Cigar NC | — | 0 | — | — |
| MC METAL INC CA | Construction | 0 | — | A |
| MC Mining Complex - Excel Mining KY | — | 0 | — | — |
| MC Molds MI | Manufacturing | 0 | — | F |
| MC Painting CA | Construction | 0 | — | F |
| MC Power Companies MO | Construction | 0 | — | A |
| MC Produce dba McCartney Produce TN | Wholesale Trade | 0 | — | F |
| MC Residential Communities, LLC AZ | Real Estate | 0 | — | F |
| MC Sporting Goods MI | — | 0 | — | — |
| MC SQUARED LLC GA | Professional & Technical Services | 1 | $130,000 | — |
| MC VanKampen Trucking MI | Transportation & Warehousing | 0 | — | C |
| MC Wells Contracting, LLC NE | Construction | 0 | — | A |
| MC, Inc. dba Gordon Energy & Drainage KS | Construction | 0 | — | F |
| MC-KO LLC (Parkrose Grocery Outlet) OR | Retail Trade | 0 | — | A |
| MC2 Electrical Contractors, LLC. CO | Construction | 0 | — | A |
| MC2 SABTECH HOLDINGS, INC. CA | Manufacturing | 0 | — | A |
| MC3 Enterprises, LLC. IL | Accommodation & Food Services | 0 | — | A |
| MC3 Logistics WA | Transportation & Warehousing | 0 | — | A |
| MCA Communications, Inc. TX | Construction | 0 | — | A |
| MCA Connect, LLC. CO | Professional & Technical Services | 2 | $154,750 | — |
| MCA Construction, Rental & Sales INC. MO | Construction | 0 | — | C |
| Mca Logistics CA | — | 0 | — | — |
| MCA Remodeling Inc. CA | Construction | 0 | — | F |
| McAbee Construction Inc. AL | Construction | 0 | — | B |
| McAda Drilling Fluids, Inc. TX | Transportation & Warehousing | 0 | — | A |
| McAdams Graphics, Inc WI | Manufacturing | 0 | — | D |
| McAdams Group, LLC TX | Manufacturing | 0 | — | A |
| McAdoo & Allen, Inc PA | Manufacturing | 0 | — | F |
| McAfee Safety Analysis INC MS | Professional & Technical Services | 1 | $48,318 | — |
| McAfee, LLC CA | — | 0 | — | — |
| McAfee, LLC OR | — | 0 | — | — |
| McAfee, LLC TX | Information & Media | 15 | $136,129 | — |
| McAirlaids VA | Manufacturing | 0 | — | F |
| McAlear Group OH | Management of Companies | 0 | — | A |
| McALESTER REGIONAL HEALTH CENTER OK | Healthcare & Social Assistance | 1 | $400,000 | — |
| McAlester Regional Health Center Authority OK | Healthcare & Social Assistance | 2 | $62,400 | — |
| McAlister Oil, LLC KS | Transportation & Warehousing | 0 | — | D |
| McAllen Convention Center Hotel LLLP TX | Accommodation & Food Services | 0 | — | F |
| McAllen Hospitalist Group, PLLC TX | Healthcare & Social Assistance | 2 | $420,000 | — |
| McAllen Nursing Center TX | Healthcare & Social Assistance | 0 | — | F |
| McAllister Plumbing & Heating, Inc. NY | Construction | 0 | — | A |
| McAllister Towing & Transportation Co., Inc. FL | Transportation & Warehousing | 0 | — | D |
| McAllister Towing & Transportation Co., Inc. MA | Wholesale Trade | 0 | — | F |
| McAllister Towing & Transportation Co., Inc. NY | Wholesale Trade | 0 | — | D |
| McAllister Towing & Transportation Co., Inc. PA | Transportation & Warehousing | 0 | — | F |
| McAllister Towing & Transportation Co., Inc. RI | Transportation & Warehousing | 0 | — | A |
| McAllister Towing & Transportation Co., Inc. SC | Wholesale Trade | 0 | — | A |
| McAllister Towing & Transportation Co., Inc. VA | Transportation & Warehousing | 0 | — | A |
