| JHJR Holland | Holland | MI | Machinery Manufacturing333999 | 500+ | ◐ LIKELY ACTIVE |
| JSJR Stevensville | Stevensville | MI | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| JGJust Good Business LLC | Detroit | MI | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| KJKadant Johnson LLC Three Rivers | Three Rivers | MI | Machinery Manufacturing333243 | 100-499 | ◐ LIKELY ACTIVE |
| KIKarmen Industries L.l.c. | Buchanan | MI | Machinery Manufacturing333995 | — | ◐ LIKELY ACTIVE |
| KKKCT - KUKA Systems N.A. LLC | Clinton Township | MI | Machinery Manufacturing333998 | 100-499 | ◐ LIKELY ACTIVE |
| KKKLB - KUKA Systems N.A. LLC | Livonia | MI | Machinery Manufacturing333998 | 100-499 | ◐ LIKELY ACTIVE |
| KKKMC - KUKA Systems N.A. LLC | Sterling Heights | MI | Machinery Manufacturing333998 | 20-99 | ◐ LIKELY ACTIVE |
| KMK M International | North Branch | MI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| KKKMP - KUKA Systems N.A. LLC | Sterling Heights | MI | Machinery Manufacturing333998 | 20-99 | ◐ LIKELY ACTIVE |
| KTKnapheide Truck Equipment | Flint | MI | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| KKoops | Saginaw | MI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| KDKSB Dubric, Inc. | Comstock Park | MI | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| KIKTM, Inc. | Alpena | MI | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| KKKTP - KUKA Systems N.A. LLC | Warren | MI | Machinery Manufacturing333998 | 100-499 | ◐ LIKELY ACTIVE |
| KAKuka Assembly and Test CORP Fenton | Fenton | MI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| KYK & Y Manufacturing, LLC | Waterford | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| LDLach Diamond INC | Grand Rapids | MI | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| LELardner Elevator Company | Detroit | MI | Machinery Manufacturing333921 | 20-99 | ◐ LIKELY ACTIVE |
| LCLear Corporation - ASI Comstock | Comstock Park | MI | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| LCLear Corporation - Novi | Novi | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| LILink Industries, Inc (dba Link Engineering Company, Inc) | Indian River | MI | Machinery Manufacturing333515 | 1-19 | ◐ LIKELY ACTIVE |
| LJL J Fluid Power | Delton | MI | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
L&M Machining & Manufacturing | Warren | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| LMLogistics Mgmt and Engineering | Flint | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
Lomar Machine & Tool Co. Plant 2 | Horton | MI | Machinery Manufacturing333519 | 1-19 | ◐ LIKELY ACTIVE |
Lomar Machine & Tool Co. Plant 5 | Spring Arbor | MI | Machinery Manufacturing333519 | 1-19 | ◐ LIKELY ACTIVE |
Lomar Machine & Tool Co. Plant 6 | Horton | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| LMLOR Mobile Controls | Weidman | MI | Machinery Manufacturing333996 | 20-99 | ◐ LIKELY ACTIVE |
| MCMachinablewax Com INC | Traverse City | MI | Machinery Manufacturing333511 | — | ◐ LIKELY ACTIVE |
| MTMasters' Tool & Die, INC. | Saginaw | MI | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| MLMazzella Lifting Technologies (Detroit) | Madison Heights | MI | Machinery Manufacturing333923 | 1-19 | ◐ LIKELY ACTIVE |
| MTMechanical Turnkey Solutions | Warren | MI | Machinery Manufacturing333519 | 1-19 | ◐ LIKELY ACTIVE |
| MPMedi-tec Plastics, LLC | Evart | MI | Machinery Manufacturing333517 | — | ▲ REPORTED CLOSED |
| MIMelling Industries | Jackson | MI | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| MMfa | Sterling Heights | MI | Machinery Manufacturing333249 | 1-19 | ◐ LIKELY ACTIVE |
| MMi02-act-warren | Warren | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MAMi06-sa-spring Arbor | Spring Arbor Twp | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MIMicro-LAM, Inc. | Portage | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MBMidwest Brazing LLC DBA East-Lind Heat Treat | Madison Heights | MI | Machinery Manufacturing333994 | 20-99 | ◐ LIKELY ACTIVE |
| MMi-src | Sterling Heights | MI | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| MAMoba Americas Inc | Wixom | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
Model Pattern Company dba MP Components | Byron Center | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
Models & Tools | Shelby Twp | MI | Machinery Manufacturing333514 | 100-499 | ◐ LIKELY ACTIVE |
| MPMonroe Packaging Center | Monroe | MI | Machinery Manufacturing333993 | 500+ | ◐ LIKELY ACTIVE |
| MCMorgan Composting, Inc. | Sears | MI | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| MSMorgan Site Services, Inc (2) | Brownstown | MI | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| MLMorrell LLC | Auburn Hills | MI | Machinery Manufacturing333996 | 100-499 | ◐ LIKELY ACTIVE |
| MCMotor City Wash Works, Inc. | Wixom | MI | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| MTMP Tool & Engineering Company | Roseville | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |