Tritegrity Machine, LLC | Ironwood | — | ◐ LIKELY ACTIVE |
| UIUltraform Industries | Romeo | 20–99 | ◐ LIKELY ACTIVE |
| ICIndustrial Coating INC | Bridgeport | — | ◐ LIKELY ACTIVE |
| AAmerikam | Grand Rapids | — | ◇ UNVERIFIED |
| APAsp Plating Company | Grand Haven | — | ◇ UNVERIFIED |
| BIBurkard Industries INC. | Clinton Township | — | ◇ UNVERIFIED |
| CPClassic Plating INC | Redford | — | ◇ UNVERIFIED |
| CFCorson Fabricating LLC | Saint Clair | — | ◇ UNVERIFIED |
| FMFettes Mfg CO INC | Sterling Heights | — | ◇ UNVERIFIED |
| GGGonzalez Group LLC | Litchfield | — | ◇ UNVERIFIED |
| MPMetallurgical Processing CO | Warren | — | ◇ UNVERIFIED |
| NPNorbrook Plating, INC. | Warren | — | ◇ UNVERIFIED |
| NPNorthern Precision Products, INC. | Leroy | — | ◇ UNVERIFIED |
| SMSignature Metal Finishing LLC | Hazel Park | — | ◇ UNVERIFIED |
| TPTpi Powder Metallurgy | Saint Charles | — | ◇ UNVERIFIED |
| WMWest Michigan Flocking & Assembly | Covert | — | ◇ UNVERIFIED |
| AFAarons Fabrication of Steel Tube & Welding INC | Clinton Township | — | ◐ LIKELY ACTIVE |
| ABAccurate Boring CO INC | Fraser | — | ◐ LIKELY ACTIVE |
| AGAccurate Gauge & Mfg-2920 Technology Drive | Rochester Hills | — | ◐ LIKELY ACTIVE |
| ATAction Tool & Machine INC | Brighton | 20–99 | ◐ LIKELY ACTIVE |
| ALAct Laboratories Incorporated | Hillsdale | — | ◐ LIKELY ACTIVE |
| AGAcument Global Tech. | Sterling Heights | 100–499 | ◐ LIKELY ACTIVE |
| ABAdvanced Boring & Tool CO | Madison Heights | — | ◐ LIKELY ACTIVE |
| AEAdvance Engineering Company | Canton | — | ◐ LIKELY ACTIVE |
| ABAeromotion By Textron Aviation | Saginaw | — | ◐ LIKELY ACTIVE |
| ATAjax Tocco Magnethermic - Madison Heights | Madison Heights | 20–99 | ◐ LIKELY ACTIVE |
| AMALDEN MANUFACTURING, LLC dba SE TOOLS | Lapeer | 20–99 | ◐ LIKELY ACTIVE |
| AHAl-fe Heat Treating-michigan, LLC | Saginaw | — | ◐ LIKELY ACTIVE |
| ATAllegan Tubular Products Inc. (Main) | Allegan | 20–99 | ◐ LIKELY ACTIVE |
| AMAmerican MSC, INC | Troy | 100–499 | ◐ LIKELY ACTIVE |
| ABAnderson Building Materials, Co | Saint Joseph | 20–99 | ◐ LIKELY ACTIVE |
| ASApril Steel Processing | Dearborn | 100–499 | ◐ LIKELY ACTIVE |
| ACArenac Casting INC | Standish | 20–99 | ◐ LIKELY ACTIVE |
| ATATS Test and Assembly Inc. (Wixom) | Wixom | 20–99 | ◐ LIKELY ACTIVE |
| BMBack Machine Shop, LLC | Springfield | — | ◐ LIKELY ACTIVE |
| BIBallinger Industries LLC | Homer | — | ◐ LIKELY ACTIVE |
Basin Material Handling | Sturgis | 20–99 | ◐ LIKELY ACTIVE |
| BPBelwith Products LLC | Grandville | — | ◐ LIKELY ACTIVE |
| BHBenton Harbor LLC | Benton Harbor | 20–99 | ◐ LIKELY ACTIVE |
| BMBerrien Metal Products INC | Buchanan | 20–99 | ◐ LIKELY ACTIVE |
| BGB & G Custom Works | Allegan | 20–99 | ◐ LIKELY ACTIVE |
| B3Big 3 precision Dearborn | Dearborn | 20–99 | ◐ LIKELY ACTIVE |
| BRBlack River Stamping & Automation (Challenge Manufacturing-Plant 4) | Holland | 500+ | ◐ LIKELY ACTIVE |
| BMBopp-busch Manufacturing CO | Au Gres | — | ◐ LIKELY ACTIVE |
| BMBoyne Machine Company, INC. | Jenison | — | ◐ LIKELY ACTIVE |
| BPBradhart Products INC | Brighton | 20–99 | ◐ LIKELY ACTIVE |
| BMBrassCraft Manufacturing Company - Novi | Novi | 100–499 | ◐ LIKELY ACTIVE |
| BIBroaching Industries INC | Chesterfield | — | ◐ LIKELY ACTIVE |
| BHBucher Hydraulics Inc - Newaygo | Newaygo | 100–499 | ◐ LIKELY ACTIVE |
| CSColdwater Sintered Metal Products, Inc | Coldwater | 20–99 | ◐ LIKELY ACTIVE |