| ATAjax Tocco Magnethermic - N. Canton (1576171949) | North Canton | OH | Machinery Manufacturing333994 | 20-99 | ◐ LIKELY ACTIVE |
| AMAllied Machine & Engineering Corporation | Dover | OH | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| CGCage Gear and Machine LLC | Canton | OH | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| CECrown Equipment CORP | Celina | OH | Machinery Manufacturing333924 | 500+ | ◐ LIKELY ACTIVE |
| DPDanfoss Power Solutions Ii LLC | Cleveland | OH | Machinery Manufacturing333613 | 20-99 | ◐ LIKELY ACTIVE |
| DGDayton-phoenix Group INC | Dayton | OH | Machinery Manufacturing333513 | 100-499 | ◐ LIKELY ACTIVE |
| DLDmax LTD | Moraine | OH | Machinery Manufacturing333618 | 500+ | ◐ LIKELY ACTIVE |
| FTF T Precision | Fredericktown | OH | Machinery Manufacturing333612 | 100-499 | ◐ LIKELY ACTIVE |
| MRMaag Reduction | Kent | OH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| MTMorgan Truck Body LLC (0285010292) | Orrville | OH | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| MPMtd Products INC (1652000085) | Valley City | OH | Machinery Manufacturing333112 | — | ◐ LIKELY ACTIVE |
| RTRidge Tool CO | Elyria | OH | Fabricated Metal Product Manufacturing332116 | 500+ | ◐ LIKELY ACTIVE |
| TFThermo Fisher Scientific INC | Marietta | OH | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| WMWebster Mfg CO | Tiffin | OH | Fabricated Metal Product Manufacturing332618 | 100-499 | ◐ LIKELY ACTIVE |
| AMAds Machinery CORP | Warren | OH | Machinery Manufacturing333516 | 1-19 | ◐ LIKELY ACTIVE |
| AMAllied Machine & Engineering | Dover | OH | Machinery Manufacturing333515 | 100-499 | ◐ LIKELY ACTIVE |
| AIAmg Industries INC | Mount Vernon | OH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| AMArnold Machine INC | Tiffin | OH | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| AOAts Ohio INC | Lewis Center | OH | Machinery Manufacturing333298 | 100-499 | ◐ LIKELY ACTIVE |
B & B Gear and Machine Company, INC. | New Lebanon | OH | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| BBBucyrus Blades | Bucyrus | OH | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| CBCook Bonding & Manufacturing CO | Cleveland | OH | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CICorrotec Incorporated | Springfield | OH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| CACrawford Ae Llc, Dba Air Enterprises | Akron | OH | Machinery Manufacturing333412 | 100-499 | ◐ LIKELY ACTIVE |
| DEDillin Engineered Systems CORP. | Perrysburg | OH | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
Fecon, LLC | Lebanon | OH | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| FMFederal Mogul CORP | Van Wert | OH | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| GRGorman Rupp Company (0370010056) | Mansfield | OH | Machinery Manufacturing333911 | — | ◐ LIKELY ACTIVE |
| GSGrob Systems, INC | Bluffton | OH | Machinery Manufacturing333249 | 500+ | ◐ LIKELY ACTIVE |
| HHHonda Heritage Center | Marysville | OH | Machinery Manufacturing333511 | — | ◐ LIKELY ACTIVE |
| LPLhy Powertrain | Canfield | OH | Machinery Manufacturing333996 | 20-99 | ◐ LIKELY ACTIVE |
| MIMansfield Industries INC | Mansfield | OH | Primary Metal Manufacturing331529 | 20-99 | ◐ LIKELY ACTIVE |
| MIMayfran International INC | Cleveland | OH | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| MMMidwest Mold & Texture | Batavia | OH | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| MOMoog Orrville | Orrville | OH | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| MSMt Systems, INC | Canton | OH | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| PSPeerless Saw | Groveport | OH | Fabricated Metal Product Manufacturing332216 | 20-99 | ◐ LIKELY ACTIVE |
| PPermco | Streetsboro | OH | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| PCPrecision Castparts CORP - Airfoils LLC | Painesville | OH | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| QIQuickdraft INC | Canton | OH | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| SMScreen Machine Industries LLC | Pataskala | OH | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| SESew Eurodrive | Troy | OH | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
Surface Combustion INC | Maumee | OH | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| VVVenco Venturo LLC | Cincinnati | OH | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| WRWarren Rupp, INC. | Mansfield | OH | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
Webb-stiles Company | Valley City | OH | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
Wilson Optical Laboratories, INC. | Mentor | OH | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| CECrown Equipment CORP | New Bremen | OH | Machinery Manufacturing333924 | — | ◐ LIKELY ACTIVE |
| MIMilacron INC | Mount Orab | OH | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| UDUnverferth Dba Kill Bros | Delphos | OH | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |