| MPMagnum Products | Columbus, OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| MWMansfield Warehousing & Distribution INC | Delaware, OH | Electrical Equipment, Appliance & Component Manufacturing335221 | — | ◇ UNVERIFIED |
| MGMark Gray Enterprises | Columbus, OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| MIMar-zane INC | Delaware, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MZMar Zane Plant No 4 (0637000000) | Haydenville, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MZMar Zane Portable Generator #6 | Grove City, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MCMauser CORP | Blacklick, OH | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| MDMcdonnell Douglas CORP Air Force Plant 85 | Columbus, OH | Transportation Equipment Manufacturing336411 | — | ◇ UNVERIFIED |
| MDMcgill Development Corporation | Westerville, OH | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| MHMeritor Heavy Vehicle Systems LLC | Heath, OH | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| MIMicro Industries CORP | Westerville, OH | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| MAMidwest Acoust-a-fiber INC | Delaware, OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| MWModern Welding | Newark, OH | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| NDNestle Development Center | Marysville, OH | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| NLNhmf, LLC | Columbus, OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| NWN. Wasserstrom & Sons/ Amtekco Industries INC. (0125043113) | Columbus, OH | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| NWN Wasserstrom & Sons INC | Columbus, OH | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| OOOberfields - Obetz, Oh Hardscapes Plant | Columbus, OH | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OSOberfields - Sunbury, Oh Masonry Plant | Sunbury, OH | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| OMOhio Mulch Supply INC. (0125042476) | Columbus, OH | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| OROhio Reformatory for Women | Marysville, OH | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| OSOhio Steel Industries | Pataskala, OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OOOmni Oxide CORP Ohio Oxide Div | Lancaster, OH | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| OAOsf America | Hilliard, OH | Furniture and Related Product Manufacturing337000 | — | ◇ UNVERIFIED |
| PHParker Hannifin CORP Hpd | Marysville, OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PPPlastic Packaging Technologies, LLC (0125041958) | Columbus, OH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
 Plating Technology INC | Columbus, OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| Plating Technology Inc, Advanced Coating Equipment | Columbus, OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
 Post Consumer Brands LLC - Lancaster | Lancaster, OH | Food Manufacturing311230 | — | ◇ UNVERIFIED |
| PFPpc Flex, LLC. | Columbus, OH | Paper Manufacturing322223 | — | ◇ UNVERIFIED |
| PMPsc Metals INC | Columbus, OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| QMQuad/graphics Marketing LLC | Columbus, OH | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| QCQuikrete - Columbus, Oh Plant | Columbus, OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RIRanco INC | Delaware, OH | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| RNRanco North America | Plain City, OH | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| RMRap Management LLC (0125044429) | Columbus, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RTRca Thompson | Circleville, OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| REResinoid Engineering CORP * | Hebron, OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RTRetriev Technologies, INC. | Baltimore, OH | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| RCRiviera Cabinets, INC. | Lancaster, OH | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| RERobin Enterprises CO | Westerville, OH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
 Rockwell Automation | Westerville, OH | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| RIRoyster-clark INC | Mount Sterling, OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| SDSchafer Driveline LLC | Blacklick, OH | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| SMScioto Materials LLC St. Louisville (0145000400) | Saint Louisville, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelly Materials INC | Columbus, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 24 (0180000002) | Ostrander, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelly Materials Plant #92 | Columbus, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelly Materials Plant 93 | Hilliard, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SMShelly Materials Plant No 94 (0145000399) | Reynoldsburg, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
