| STServices to Enhance Potential Dearborn South | Dearborn | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| STServices to Enhance Potential Detroit | Detroit | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| STServices to Enhance Potential (STEP) | Westland | MI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| SSheridan | Sheridan | MI | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| SIShred-Pac, Inc. DBA SP Industries, Inc. | Hopkins | MI | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| SMSMI Michigan | Midland | MI | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
Somero Enterprises, Inc. - Michigan | Houghton | MI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| SHSouth Haven | South Haven | MI | Textile Product Mills314910 | 20-99 | ◐ LIKELY ACTIVE |
| SHSouth Haven MI | South Haven | MI | Machinery Manufacturing333613 | 1-19 | ◐ LIKELY ACTIVE |
| STSpec Tool | Spatra | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| SAStandard Automation, LLC | Auburn Hills | MI | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| SCSt. Clair | Saint Clair | MI | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| S2Steel 21 LLC | Cedar Spring | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| SCSteel Craft Technologies Inc. - Belmont | Belmont | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| SGSterling Gage & Calibration LLC | Sterling Heights | MI | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| SDStevens Design and Fabrication | Jenison | MI | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| SMStiles Machinery Inc. | Grand Rapids | MI | Machinery Manufacturing333243 | 500+ | ◐ LIKELY ACTIVE |
| SMSTM Manufacturing Inc | Holland | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| STStonebridge Technical Enterprises, LTD | Fenton | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| SCStructural Concepts Plant 1 | Norton Shores | MI | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| SMSummit Mfg. Corp. | Gaylord | MI | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
| SCSuperior Controls INC | Plymouth | MI | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| SASure-loc Aluminum Edging | Holland | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| SASweepster Attachments | Dexter | MI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| SNSW North America-N | New Hudson | MI | Machinery Manufacturing333517 | 100-499 | ◐ LIKELY ACTIVE |
| STsws trimac | Saginaw | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| SCSystem Components INC | South Haven | MI | Machinery Manufacturing333613 | — | ◐ LIKELY ACTIVE |
| TMTad Metal, LLC | Luzerne | MI | Machinery Manufacturing333519 | — | ◐ LIKELY ACTIVE |
| TATarpon Automation and Design Company | Clinton Township | MI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| TET & E Edm, LLC | Mendon | MI | Machinery Manufacturing333514 | — | ◐ LIKELY ACTIVE |
| TCTennant Company - Ops Holland | Holland | MI | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| TCTerra Caloric | Alpena | MI | Machinery Manufacturing333414 | 1-19 | ◐ LIKELY ACTIVE |
| TCTerrepower - Chesterfield | Chesterfield | MI | Machinery Manufacturing333996 | 100-499 | ◐ LIKELY ACTIVE |
| TGThe Great Lakes Acquisitions CO LLC | Muskegon | MI | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| TWThe W.w. Williams Company, LLC | Dearborn | MI | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| TSthyssenkrupp System Engineering, Inc. | Auburn Hills | MI | Machinery Manufacturing333517 | 100-499 | ◐ LIKELY ACTIVE |
| TTTotal Tooling Concepts LLC | Walker | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| TLTps, LLC | Riverside | MI | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| TDTrademark Die & Engineering | Belmont | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| TITri-Mation Industries, Inc. | Mattawan | MI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| TITRUMPF Inc - TUSD | Plymouth Township | MI | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |
| TTss | Warren | MI | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| UMUBE Machinery Inc. | Ann Arbor, MI | MI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| UIUniloy, Inc. | Tecumseh | MI | Machinery Manufacturing333511 | 100-499 | ◐ LIKELY ACTIVE |
| UIUnist, Inc. | Grand Rapids | MI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| UPUniversal Products Inc | Rockford | MI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| VIValiant International, Inc. | Auburn Hills | MI | Machinery Manufacturing333992 | 100-499 | ◐ LIKELY ACTIVE |
| VHVan Hydraulics Inc | Conklin | MI | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| VRVent Rite Valve CORP | Benton Harbor | MI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| VGVenture Global Engineering | Sterling Height | MI | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |