| Matcor Manufacturing MS | — | 0 | — | — |
| Matcor Matsu AL | Manufacturing | 0 | — | F |
| Matcor Metal Fabrication KS | Manufacturing | 0 | — | B |
| matcor metal fabrication NC | Manufacturing | 0 | — | F |
| Matcor Metal Fabrication Inc IL | Manufacturing | 0 | — | F |
| Matcor, Inc. OK | Construction | 0 | — | A |
| Matcor, Inc. PA | Construction | 0 | — | A |
| Matcor, Inc. TX | Construction | 0 | — | A |
| Matcor-Matsu Group Inc. MI | Manufacturing | 0 | — | B |
| Matcor-Matsu, Inc. OH | Manufacturing | 0 | — | F |
| MATE INC. TX | Manufacturing | 0 | — | A |
| Mate Precision Technologies MN | Manufacturing | 0 | — | A |
| MATEO'S FARM CONTRACTOR CA | Agriculture & Forestry | 0 | — | A |
| MATEOS LABOR SERVICE INC. CA | Agriculture & Forestry | 0 | — | A |
| MATEP LLC MA | Utilities | 0 | — | A |
| Mater Academy, Inc. FL | Educational Services | 1 | $55,319 | — |
| Mater Brighton Lakes Academy FL | Educational Services | 2 | $53,750 | — |
| Mater Dei High School IL | Educational Services | 1 | $82,826 | — |
| Mater Dei Prep NJ | — | 0 | — | — |
| Materia Group Corporation FL | — | 0 | — | — |
| Materia Group Corporation, f/k/a Material Technologies Corporation FL | Professional & Technical Services | 1 | $100,000 | — |
| Material Control Inc. PA | Manufacturing | 0 | — | F |
| Material Control Systems, Inc IA | Transportation & Warehousing | 0 | — | C |
| Material Control Systems, Inc IL | Transportation & Warehousing | 0 | — | D |
| Material Control, Inc., IL | Wholesale Trade | 0 | — | A |
| Material Control, Inc., Cotterman Company GA | Manufacturing | 0 | — | F |
| Material Control, Inc., dba Conveyor Components Company MI | Manufacturing | 0 | — | D |
| Material Control, Inc., dba Cotterman Company CA | Manufacturing | 0 | — | F |
| Material Control, Inc., dba Cotterman Company MI | Manufacturing | 0 | — | F |
| Material Control, Inc., dba Cotterman Company TX | Manufacturing | 0 | — | F |
| Material Difference LLC IL | Accommodation & Food Services | 0 | — | A |
| Material Handling Systems, Inc. KY | Manufacturing | 3 | $115,275 | — |
| Material in Motion, LLC GA | Professional & Technical Services | 2 | $79,726 | F |
| Material Installations, Inc. MA | Construction | 0 | — | F |
| Material Logistics & Services IA | Transportation & Warehousing | 0 | — | A |
| Material Logistics & Services PA | Transportation & Warehousing | 0 | — | A |
| Material Logistics & Services LLC CA | Transportation & Warehousing | 0 | — | A |
| Material Logistics & Services, LLC TX | Transportation & Warehousing | 0 | — | A |
| Material Sciences Corporation CA | Wholesale Trade | 0 | — | A |
| Material Sciences Corporation IL | Manufacturing | 0 | — | F |
| Material Sciences Corporation MI | Manufacturing | 0 | — | A |
| Material Solutions Laboratory Corporation IL | Professional & Technical Services | 1 | $83,200 | — |
| Material Transfer & Storage, Inc. MI | Manufacturing | 0 | — | A |
| Material Transfer Company KY | Transportation & Warehousing | 0 | — | A |
| Materialise, USA LLC MI | Professional & Technical Services | 1 | $151,814 | — |
| Materialize Bio, Inc. MA | Manufacturing | 1 | $100,880 | — |
| Materialize, Inc. NY | Professional & Technical Services | 2 | $135,000 | — |
| Materials & Energy Corporation WA | — | 0 | — | — |
| Materials Division PA | Mining & Extraction | 0 | — | D |
| MATERIALS MARKETING LTD MASTER CA | Retail Trade | 0 | — | A |
