Mcgean-rohco INC | Cleveland | OH | Chemical Manufacturing325180 | — | ● ACTIVE |
Meridian Bioscience INC | Cincinnati | OH | Chemical Manufacturing325413 | 20-99 | ● ACTIVE |
| MRMetallic Resources INC | Twinsburg | OH | Primary Metal Manufacturing331491 | 20-99 | ● ACTIVE |
Miceli Dairy Products CO | Cleveland | OH | Food Manufacturing311513 | 100-499 | ● ACTIVE |
| MCMidmark CORP | Versailles | OH | Electrical Equipment, Appliance & Component Manufacturing335129 | 500+ | ● ACTIVE |
| MFMolded Fiber Glass Composite Systems Company | Ashtabula | OH | Plastics and Rubber Products Manufacturing326191 | 100-499 | ● ACTIVE |
Momentous Mold & Machine LLC | Cuyahoga Falls | OH | Machinery Manufacturing333511 | 20-99 | ● ACTIVE |
Moore Industries, INC. | Montpelier | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ● ACTIVE |
Napoleon Machine LLC | Napoleon | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
National Electrical Carbon Products, INC | Fostoria | OH | Electrical Equipment, Appliance & Component Manufacturing335991 | 100-499 | ● ACTIVE |
National Machinery LLC | Tiffin | OH | Fabricated Metal Product Manufacturing332721 | 100-499 | ● ACTIVE |
| NANeaton Auto Products Manufacturing INC | Eaton | OH | Plastics and Rubber Products Manufacturing326199 | 500+ | ● ACTIVE |
Nelson Manufacturing CO | Ottawa | OH | Transportation Equipment Manufacturing336212 | 20-99 | ● ACTIVE |
| NSNelson Stud Welding, INC. | Elyria | OH | Fabricated Metal Product Manufacturing332722 | 100-499 | ● ACTIVE |
| NDNitto Denko Avecia INC. | Cincinnati | OH | Chemical Manufacturing325411 | 100-499 | ● ACTIVE |
Nolte Precise Manufacturing INC | Cincinnati | OH | Fabricated Metal Product Manufacturing332721 | 20-99 | ● ACTIVE |
Northlake Steel CORP | Valley City | OH | Primary Metal Manufacturing331221 | 20-99 | ● ACTIVE |
| NSNorth Star Bluescope Steel LLC | Delta | OH | Primary Metal Manufacturing331110 | 500+ | ● ACTIVE |
| NGNsg Glass North America, INC. | Luckey | OH | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ● ACTIVE |
| OFOhio Farms Packing CO | Creston | OH | Food Manufacturing311611 | 100-499 | ● ACTIVE |
| OGOhio Galvanizing Corporation | Marion | OH | Fabricated Metal Product Manufacturing332812 | 20-99 | ● ACTIVE |
Ohio Gratings, INC. | Canton | OH | Fabricated Metal Product Manufacturing332312 | 500+ | ● ACTIVE |
| OSOhio Screw Products, INC. (0247040393) | Elyria | OH | Fabricated Metal Product Manufacturing332721 | 20-99 | ● ACTIVE |
| OSOhio Star Forge CO. | Champion | OH | Primary Metal Manufacturing331210 | 100-499 | ● ACTIVE |
| OSOkamoto Sandusky Manufacturing, LLC | Sandusky | OH | Plastics and Rubber Products Manufacturing326199 | 100-499 | ● ACTIVE |
| OEOrion Engineered Carbons | Belpre | OH | Petroleum and Coal Products Manufacturing324199 | 20-99 | ● ACTIVE |
| OIOsco Industries INC - Jackson Div | Jackson | OH | Primary Metal Manufacturing331511 | 100-499 | ● ACTIVE |
Packaging Specialties,inc. | Medina | OH | Fabricated Metal Product Manufacturing332439 | 20-99 | ● ACTIVE |
Padco Industries LLC | Newbury | OH | Computer and Electronic Product Manufacturing334290 | — | ● ACTIVE |
Palfinger Usa, LLC | Tiffin | OH | Transportation Equipment Manufacturing336211 | 100-499 | ● ACTIVE |
| PTPas Technologies INC | Hillsboro | OH | Transportation Equipment Manufacturing336412 | — | ● ACTIVE |
Pax Machine Works INC | Celina | OH | Fabricated Metal Product Manufacturing332116 | 100-499 | ● ACTIVE |
| PAPcc Airfoils LLC Smp INC | Wickliffe | OH | Primary Metal Manufacturing331529 | 100-499 | ● ACTIVE |
| PAPcc Airfoils Mentor | Mentor | OH | Primary Metal Manufacturing331512 | 100-499 | ● ACTIVE |
Pemco INC | Cleveland | OH | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| PCPilot Chemical CO Middletown Ohio Facility | Middletown | OH | Chemical Manufacturing325611 | 20-99 | ● ACTIVE |
| PIPlaskolite INC | Zanesville | OH | Chemical Manufacturing325211 | 100-499 | ● ACTIVE |
| PLPlaskolite, LLC. | Columbus | OH | Chemical Manufacturing325211 | 100-499 | ● ACTIVE |
| PBPoet Biorefining - Fostoria LLC (0374010235) | Fostoria | OH | Chemical Manufacturing325193 | 20-99 | ● ACTIVE |
| PBPoet Biorefining - Leipsic | Leipsic | OH | Chemical Manufacturing325193 | 20-99 | ● ACTIVE |
| PBPoet Biorefining - Marion | Marion | OH | Chemical Manufacturing325193 | 20-99 | ● ACTIVE |
Precision Impacts LLC | Miamisburg | OH | Fabricated Metal Product Manufacturing332431 | 20-99 | ● ACTIVE |
| PRPremcor Refining Group INC - Lima Refinery | Lima | OH | Petroleum and Coal Products Manufacturing324110 | 500+ | ● ACTIVE |
| PCPremix-hadlock Composites LLC | Geneva | OH | Chemical Manufacturing325991 | 20-99 | ● ACTIVE |
Principle Business Enterprises INC | Bowling Green | OH | Paper Manufacturing322291 | — | ● ACTIVE |
Production Paint Finishers INC | Bradford | OH | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
Projects Unlimited INC | Dayton | OH | Computer and Electronic Product Manufacturing334418 | — | ● ACTIVE |
| PTPro Tec Coating CO | Leipsic | OH | Fabricated Metal Product Manufacturing332811 | 100-499 | ● ACTIVE |
Qp Mfg Group LLC | Chardon | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ● ACTIVE |
Quality Electrodynamics LLC | Mayfield Village | OH | Computer and Electronic Product Manufacturing334510 | 100-499 | ● ACTIVE |