| CFClemens Food Group | Coldwater | MI | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| CCClips & Clamps Industries | Plymouth | MI | Transportation Equipment Manufacturing336370 | 20-99 | ◐ LIKELY ACTIVE |
| CSColdwater Sintered Metal Products, Inc | Coldwater | MI | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
Comau LLC | Southfield | MI | Machinery Manufacturing333992 | 500+ | ◐ LIKELY ACTIVE |
| CRComfort Research | Grand Rapids | MI | Plastics and Rubber Products Manufacturing326140 | 100-499 | ◐ LIKELY ACTIVE |
| CTCommercial Tool & Die, INC | Comstock Park | MI | Machinery Manufacturing333514 | 100-499 | ◐ LIKELY ACTIVE |
| CPComplete Packaging | Monroe | MI | Wood Product Manufacturing321920 | 100-499 | ◐ LIKELY ACTIVE |
| CBConagra Brands, INC. - Quincy, Mi | Quincy | MI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CTConcord Tool & Manufacturing INC | Mount Clemens | MI | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| CIContinental Identification Products | Sparta | MI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| CICorium Innovations INC | Grand Rapids | MI | Chemical Manufacturing325412 | 100-499 | ◐ LIKELY ACTIVE |
| CECorsair Engineering INC | Flint | MI | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| CFCreative Foam Corp-dowagiac | Dowagiac | MI | Plastics and Rubber Products Manufacturing326140 | 100-499 | ◐ LIKELY ACTIVE |
| CFCreative Foam Corporation Fenway | Fenton | MI | Plastics and Rubber Products Manufacturing326150 | 100-499 | ◐ LIKELY ACTIVE |
| CTCross Technologies N.A. Inc. | Westland | MI | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| CFCs Fac-continental Dairy Prod | Coopersville | MI | Food Manufacturing311511 | — | ◐ LIKELY ACTIVE |
| CDCurbs & Damper Products Inc. | Roseville | MI | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| CMCurtis Metal Finishing CO | Sterling Hts | MI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| CECutting Edge Abrasive | Kentwood | MI | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| CACygnet Automated Cleaning LLC | Plymouth | MI | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| CACygnet Automated Cleaning, LLC | Plymouth | MI | Chemical Manufacturing325510 | — | ◐ LIKELY ACTIVE |
| CICytec Industries | Kalamazoo | MI | Chemical Manufacturing325199 | — | ◐ LIKELY ACTIVE |
| DIDadco INC | Plymouth | MI | Fabricated Metal Product Manufacturing332912 | 100-499 | ◐ LIKELY ACTIVE |
| DIDarling Ingredients - Hamilton | Hamilton | MI | Food Manufacturing311613 | 20-99 | ◐ LIKELY ACTIVE |
| DIDcl INC | Traverse City | MI | Machinery Manufacturing333131 | 1-19 | ◐ LIKELY ACTIVE |
| DKDelaco Kasle LLC | Woodhaven | MI | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| DGDematic Grand Rapids | Grand Rapids | MI | Machinery Manufacturing333922 | 500+ | ◐ LIKELY ACTIVE |
Denny Grice INC | Three Rivers | MI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| DADetroit Assembly Complex Mack | Detroit | MI | Transportation Equipment Manufacturing336110 | 500+ | ◐ LIKELY ACTIVE |
| DDDetroit Diameters INC | Novi | MI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| DSDevereaux Sawmill, Inc. | Pewamo | MI | Wood Product Manufacturing321113 | 100-499 | ◐ LIKELY ACTIVE |
| DUDie-matic USA LLC | Wyoming | MI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DCDigiTek Corporation B1 | Livonia | MI | Machinery Manufacturing333310 | 20-99 | ◐ LIKELY ACTIVE |
| DND & N Bending CORP. | Romeo | MI | Primary Metal Manufacturing331491 | 100-499 | ◐ LIKELY ACTIVE |
| DIDo It Corporation | South Haven | MI | Paper Manufacturing322221 | 20-99 | ◐ LIKELY ACTIVE |
| EEEagle Engineering & Supply | Alpena | MI | Fabricated Metal Product Manufacturing332313 | 1-19 | ◐ LIKELY ACTIVE |
| EJEast Jordan Plastics INC - East Jordan | East Jordan | MI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| ETEclipse Tool & Die | Wayland | MI | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| EGEdwards Garment Co. | Kalamazoo | MI | Apparel Manufacturing315220 | 100-499 | ◐ LIKELY ACTIVE |
| ECEes Coke Battery L.l.c. (p0408) | Detroit | MI | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| EMElite Manufacturing Technologies - 33670 Lipke | Clinton Township | MI | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| EMElite Manufacturing Technologies-fraser | Fraser | MI | Fabricated Metal Product Manufacturing332322 | 1-19 | ◐ LIKELY ACTIVE |
| ECEnvirotech Coatings LLC | Midland | MI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| EPE.P.I. Printers, Inc. | Battle Creek | MI | Printing and Related Support Activities323120 | 20-99 | ◐ LIKELY ACTIVE |
| EMEuclid Manufacturing LLC | Detroit | MI | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| EGEW Grobbel | Detroit | MI | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
| EDExpertec Dental Laboratory Inc | Westland | MI | Miscellaneous Manufacturing339116 | 20-99 | ◐ LIKELY ACTIVE |
| FUFca US Dundee Engine Plant | Dundee | MI | Transportation Equipment Manufacturing336310 | 500+ | ◐ LIKELY ACTIVE |
| FLF.d. Lake Company | Grand Rapids | MI | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| FMFederal Mogul CORP | Greenville | MI | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |