| CDCascade Die Casting / Great La Kes | Sparta | MI | Primary Metal Manufacturing331521 | 100-499 | ◐ LIKELY ACTIVE |
| CSCase Systems | Midland | MI | Plastics and Rubber Products Manufacturing326130 | 100-499 | ◐ LIKELY ACTIVE |
| CCCertainteed Ceilings CORP | L Anse | MI | Paper Manufacturing322299 | 100-499 | ◐ LIKELY ACTIVE |
| CCCertainteed CORP | Jackson | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| CPChange Parts INC | Ludington | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| CACharlotte Anodizing | Charlotte | MI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| CMChelsea Milling CO | Chelsea | MI | Food Manufacturing311211 | 100-499 | ◐ LIKELY ACTIVE |
| CUChemetall US INC | Jackson | MI | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |
| CLChem Link | Schoolcraft | MI | Chemical Manufacturing325520 | 100-499 | ◐ LIKELY ACTIVE |
| CUCht USA INC. | Cassopolis | MI | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| CACity Aluminum Foundry | Waterford | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| CLC L Rieckhoff CO | Taylor | MI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| CVColdwater Veneer, INC. | Coldwater | MI | Wood Product Manufacturing321211 | 100-499 | ◐ LIKELY ACTIVE |
| CFColoma Frozen Foods | Coloma | MI | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |
| CMColonial Mold INC | Clinton Township | MI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| CMComplete Machining Services, INC. | Davisburg | MI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| CDCone Drive Operations INC | Traverse City | MI | Machinery Manufacturing333513 | 100-499 | ◐ LIKELY ACTIVE |
Cooper Foundry INC | Kalamazoo | MI | Primary Metal Manufacturing331522 | 1-19 | ◐ LIKELY ACTIVE |
| CBCosma Body Assembly Michigan | New Hudson | MI | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| CCCreme Curls Bakery, INC. | Hudsonville | MI | Food Manufacturing311812 | 20-99 | ◐ LIKELY ACTIVE |
| CICrest Industries | Trenton | MI | Chemical Manufacturing325520 | 1-19 | ◐ LIKELY ACTIVE |
| CMCs Manufacturing | Cedar Springs | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| DIDalton Industries LLC | Waterford | MI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| DMDavalor Mold Company LLC | Chesterfield | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| DPDavidson Plyforms INC | Grand Rapids | MI | Wood Product Manufacturing321211 | 100-499 | ◐ LIKELY ACTIVE |
| DCDecc CO INC | Grand Rapids | MI | Fabricated Metal Product Manufacturing332812 | 100-499 | ◐ LIKELY ACTIVE |
| DCDelfield CO | Mount Pleasant | MI | Machinery Manufacturing333318 | 500+ | ◐ LIKELY ACTIVE |
| DHDetroit Hoist & Crane | Sterling Heights | MI | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| DSDetroit Stoker CO | Monroe | MI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| DIDetronic Industries INC | Sterling Heights | MI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| DFDexter Fastener Technologies | Dexter | MI | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| DSDirksen Screw Products CO | Shelby Township | MI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| DPDisplay Pack INC | Cedar Springs | MI | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| DADmi Automotive INC | Howell | MI | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| DCDundee Castings CO | Dundee | MI | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| DPDundee Products | Dundee | MI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
| DMDura Mold, inc | Stevensville | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| DMDynamic Metal Treating, INC. | Canton | MI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
Dynasty Fab LLC | Roseville | MI | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| EEEbw Electronics INC | Holland | MI | Computer and Electronic Product Manufacturing334412 | 100-499 | ◐ LIKELY ACTIVE |
| EFEden Foods INC | Clinton | MI | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| EEE & E Manufacturing Company INC | Plymouth | MI | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| EEELCo Enterprises, Inc. | Jackson | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| EPElm Plating Co-plt 1 | Jackson | MI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| EPEngine Power Components INC | Grand Haven | MI | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| ESEntente Spirits LLC | Baroda | MI | Beverage and Tobacco Product Manufacturing312130 | 100-499 | ◐ LIKELY ACTIVE |
Ervin Industries INC | Adrian | MI | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| ETErvin Technologies | Tecumseh | MI | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| EEE-t-m Enterprises, INC. | Grand Ledge | MI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| EMExcel Medical Products INC | Wixom | MI | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◐ LIKELY ACTIVE |