| ATArcelormittal Tailored Blanks Americas Corporation | Detroit | MI | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| AIAsc INC | Livonia | MI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AHAtmosphere Heat Treating INC. | Wixom | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| AIAttentive Industries, INC | Flint | MI | Transportation Equipment Manufacturing336370 | 1-19 | ◐ LIKELY ACTIVE |
| APAusco Products INC | Benton Harbor | MI | Transportation Equipment Manufacturing336211 | 100-499 | ◐ LIKELY ACTIVE |
| AIAustemper INC | Clinton Township | MI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| ACAuto Cast Inc | Grandville | MI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| AIAutodie International | Grand Rapids | MI | Machinery Manufacturing333510 | 100-499 | ◐ LIKELY ACTIVE |
| AMAuto Metal Craft | Oak Park | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| BSBaca Systems, LLC | Orion Twp | MI | Machinery Manufacturing333998 | 20-99 | ◐ LIKELY ACTIVE |
| BPBackyard Products, LLC (Corp / Monroe) | Monroe | MI | Wood Product Manufacturing321992 | 100-499 | ◐ LIKELY ACTIVE |
| BCBakelite Chemicals Llc, Beaver Creek Plant | Grayling | MI | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| BCBarry Controls | Ithaca | MI | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| BCBasf Corporation | Mattawan | MI | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| BTBasf Toda America LLC | Battle Creek | MI | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| BRBasic Rubber and Plastics CO. | Walled Lake | MI | Miscellaneous Manufacturing339991 | 20-99 | ◐ LIKELY ACTIVE |
| BPBay Plastic Machinery Co LLC | Bay City | MI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| BCBdgn Corporation Dba American Autocoat | Grand Rapids | MI | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
| BPBeacon Park Finishing LLC | Roseville | MI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| BSBecker & Scrivens Concrete Products, Inc. | Hillsdale | MI | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BTBelding Tank Technologies, INC. | Belding | MI | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BPBelwith Products LLC | Grandville | MI | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| BABenteler Automotive CORP | Grand Rapids | MI | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| BCBeswick Corporation | Troy | MI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| BDBier Distillery | Comstock Park | MI | Beverage and Tobacco Product Manufacturing312140 | 1-19 | ◐ LIKELY ACTIVE |
| BSBiewer Sawmill INC. | Mcbain | MI | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| BQBillerud Quinnesec LLC | Quinnesec | MI | Paper Manufacturing322110 | — | ◐ LIKELY ACTIVE |
| BFBlake Farms Hard Apple Cider, LLC | Armada | MI | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| BDBlue Diamond Steel Casting,inc. | Pigeon | MI | Primary Metal Manufacturing331511 | 100-499 | ◐ LIKELY ACTIVE |
| BBBMC Bil-Mac Corporation | Grandville | MI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| BTBorgwarner Thermal Systems INC | Cadillac | MI | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| BSB&o Saws, INC | Belding | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
Boss Electro Static, INC. | Grand Rapids | MI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| BWBoxed Water Is Better | Holland | MI | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| BLBrazeway, LLC Adrian | Adrian | MI | Primary Metal Manufacturing331316 | 20-99 | ◐ LIKELY ACTIVE |
| BWBrico Welding & Fab INC | Chesterfield | MI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BIBurkland Inc | Goodrich | MI | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
Burton Industries INC | Ironwood | MI | Computer and Electronic Product Manufacturing334418 | 20-99 | ◐ LIKELY ACTIVE |
| CACadillac Asphalt, Llc, Romulus | Romulus | MI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CACadillac Asphalt, Llc, Troy | Troy | MI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CTCameron Tool Company, LLC | Lansing | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| CACamshaft Acquisition, Inc. | Jackson | MI | Transportation Equipment Manufacturing336310 | 20-99 | ◐ LIKELY ACTIVE |
| CCCast Coatings | Galien | MI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CCCertainteed CORP | Jackson | MI | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| CHCharter House Holdings, LLC | Zeeland | MI | Furniture and Related Product Manufacturing337127 | 100-499 | ◐ LIKELY ACTIVE |
| CLChem-trend LP | Howell | MI | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| CRCherry Republic Winery | Glen Arbor | MI | Beverage and Tobacco Product Manufacturing312130 | 100-499 | ◐ LIKELY ACTIVE |
| CIChrysan Industries | Plymouth | MI | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| CCChrysler CORP - Trenton Engine Plant | Trenton | MI | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| CEClark Engineering Company | Owosso | MI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |