| MTMac Trailer | Alliance | — | ◇ UNVERIFIED |
| MSMagna Seating of America, INC | Strongsville | — | ◇ UNVERIFIED |
| MMMarine Manufacturing Group | Painesville | — | ◇ UNVERIFIED |
| MAMaumee Assembly & Stamping | Maumee | — | ◇ UNVERIFIED |
| MIMaval Industries LLC Division of Remy International | Twinsburg | — | ◇ UNVERIFIED |
| MSMci Service Parts (0303000098)mci Service Parts (0303000098) | Loudonville | — | ◇ UNVERIFIED |
| MAMd Airfoils Corporation | Twinsburg | — | ◇ UNVERIFIED |
| MMMerrick Manufacturing Ii LLC | Dayton | — | ◇ UNVERIFIED |
| MSMiba Sinter | Mcconnelsville | — | ◇ UNVERIFIED |
| MPMidway Products Group, INC. | Greenwich | — | ◇ UNVERIFIED |
| MSMidwest Stone Dock | Oregon | — | ◇ UNVERIFIED |
| MIMilark Industries, INC. | Mansfield | — | ◇ UNVERIFIED |
| MIMilark Industries, INC. | Mansfield | — | ◇ UNVERIFIED |
| MHMitusa H&m, INC. | Dayton | — | ◇ UNVERIFIED |
| MAModine Aftermarket Holdings INC | Strongsville | — | ◇ UNVERIFIED |
| MMMuncey's Mobile Scratch & Patch L.L.C. | Toledo | — | ◇ UNVERIFIED |
| NSNagata Segawa Industries | Hebron | — | ◇ UNVERIFIED |
 Nextant Aerospace LLC | Richmond Heights | — | ◇ UNVERIFIED |
| NINorplas Industries, INC. | Toledo | — | ◇ UNVERIFIED |
| NSNorthern Stamping INC. | Valley View | — | ◇ UNVERIFIED |
| OEOctal Extrusion CORP. | Cincinnati | — | ◇ UNVERIFIED |
| OAOdawara Automation, INC. | Tipp City | — | ◇ UNVERIFIED |
| OOerlikon | Dayton | — | ◇ UNVERIFIED |
| OAO'gara Armoring | West Chester | — | ◇ UNVERIFIED |
| OSOkamoto Sandusky | Sandusky | — | ◇ UNVERIFIED |
| OCOnward Coatings Dba Wheel Craft | Mentor | — | ◇ UNVERIFIED |
| PAPcc Airfoils LLC | Cleveland | — | ◇ UNVERIFIED |
| PIPieco INC Dba Superior Trim | Findlay | — | ◇ UNVERIFIED |
| PVPioneer Vintage Trailer, LLC. | Helena | — | ◇ UNVERIFIED |
| PTPj Trailers Manufacturing, INC. | Mount Orab | — | ◇ UNVERIFIED |
| PIPmf International, INC. | Fairfield | — | ◇ UNVERIFIED |
| PGPnc Group | Lorain | — | ◇ UNVERIFIED |
| PCPremium Contractor Solution, LLC | Dayton | — | ◇ UNVERIFIED |
| PIProform Industries | Grove City | — | ◇ UNVERIFIED |
| PIProform Industries, LTD. | Columbus | — | ◇ UNVERIFIED |
| QTQuality Trailers Enterprise INC. | Salem | — | ◇ UNVERIFIED |
| RBRailtech Boutet, INC. | Napoleon | — | ◇ UNVERIFIED |
| RTReading Truck Equipment - Columbus | Columbus | — | ◇ UNVERIFIED |
| RBRegal Beloit America, INC. | Tipp City | — | ◇ UNVERIFIED |
| RMRiverside Marine Industries, INC | Toledo | — | ◇ UNVERIFIED |
| RMRiverside Marine Industries, INC | Toledo | — | ◇ UNVERIFIED |
| RHRod Hill Properties, LLC | Circleville | — | ◇ UNVERIFIED |
| RRRural Route 2, LLC | Broadview Heights | — | ◇ UNVERIFIED |
 Saf Holland, INC. | Cincinnati | — | ◇ UNVERIFIED |
| SASagle Auto Electric | Zanesville | — | ◇ UNVERIFIED |
| SEScreaming Eagle Boats, LLC. | Bellefontaine | — | ◇ UNVERIFIED |
| SIShiloh Industries | Valley City | — | ◇ UNVERIFIED |
| SAStahl a Scott Fetzer CO | Wooster | — | ◇ UNVERIFIED |
| SMStahl Manufacturing (0159000135)stahl Manufacturing (0159000135) | Cardington | — | ◇ UNVERIFIED |
| SSStahl Scott Fetzer CO (0285030144) | Wooster | — | ◇ UNVERIFIED |
