| Materion NY | Manufacturing | 0 | - | F |
| Materion OH | Manufacturing | 0 | - | C |
| Materion PA | Manufacturing | 0 | - | D |
| Materne North America ID | Manufacturing | 0 | - | C |
| Matesich Distributing Co OH | Wholesale Trade | 0 | - | D |
| Math Tempo LLC CA | - | 1 | $71,094 | - |
| Matha, Inc VA | Professional & Technical Services | 1 | $90,000 | - |
| Mathematica Inc. NJ | Professional & Technical Services | 1 | $131,300 | - |
| Matheny Motor Truck Company WV | Wholesale Trade | 0 | - | D |
| Mather AZ | Healthcare & Social Assistance | 0 | - | F |
| Mather IL | Healthcare & Social Assistance | 0 | - | F |
| Matheson Fast Freight, Inc. CA | - | 0 | - | - |
| Matheson Flight Extenders CO | Transportation & Warehousing | 0 | - | C |
| Matheson Flight Extenders KS | Transportation & Warehousing | 0 | - | C |
| Matheson Flight Extenders MO | Transportation & Warehousing | 0 | - | A |
| Matheson Flight Extenders MT | Transportation & Warehousing | 0 | - | F |
| Matheson Flight Extenders OR | - | 0 | - | - |
| Matheson Flight Extenders, Inc. CA | - | 0 | - | - |
| Matheson Flight Extenders, Inc. GA | - | 0 | - | - |
| Matheson Flight Extenders, Inc. MA | - | 0 | - | - |
| Matheson Flight Extenders, Inc. MD | - | 0 | - | - |
| Matheson Flight Extenders, Inc. PA | - | 0 | - | - |
| Matheson Flight Extenders, Inc. TX | - | 0 | - | - |
| Matheson Postal Services ID | - | 0 | - | - |
| Matheson Postal Services UT | - | 0 | - | - |
| Matheson Postal Services, Inc. CA | - | 0 | - | - |
| Matheson Trucking, Inc. CA | - | 0 | - | - |
| Mathew Enterprise Inc. dba Stevens Creek Chrysler Jeep Dodge CA | - | 0 | - | - |
| Mathew Enterprise Inc. dba Stoneridge Chrysler Jeep Dodge CA | - | 0 | - | - |
| Mathew Enterprise, Inc. dba Serramonte Subaru CA | - | 0 | - | - |
| Mathew Enterprise, Inc. dba Serramonte Volkswagon CA | - | 0 | - | - |
| Mathew Enterprises, Inc CA | Retail Trade | 0 | - | A |
| Mathews Archery, Inc WI | Manufacturing | 0 | - | F |
| Mathews Brothers Company ME | Manufacturing | 0 | - | C |
| Mathews Nielsen Landscape Architects P.C. NY | - | 2 | $88,750 | - |
| Mathews Nielsen Landscape Architects PC NY | Professional & Technical Services | 3 | $85,896 | - |
| Mathis Brothers OK | - | 0 | - | - |
| Mathmatica, Inc. NJ | - | 2 | $167,850 | - |
| Mathpix, Inc. NY | Professional & Technical Services | 1 | $225,000 | - |
| Mathy Construction Company WI | Construction | 0 | - | D |
| Mathy Machine, Inc. CA | - | 0 | - | - |
| Matic Robots, INC. CA | Manufacturing | 12 | $160,000 | - |
| Matica Biotechnology, Inc. TX | Professional & Technical Services | 1 | $87,651 | F |
| Matich Corporation CA | Construction | 0 | - | F |
| Matician, Inc. CA | Manufacturing | 1 | $175,000 | - |
| Matik, Inc. CA | Information & Media | 1 | $165,000 | - |
| Matikon America, Inc. MI | Manufacturing | 1 | $115,000 | - |
| Matilda Cloud, Inc TX | - | 2 | $136,500 | - |
| Mativ WI | Manufacturing | 0 | - | D |
| Mativ Conwed, LLC NC | Manufacturing | 0 | - | C |