| EIErico International CORP. | Solon | OH | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| EHEuclid Heat Treat CO. | Euclid | OH | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| FSFalls Stamping & Welding CO | Cuyahoga Falls | OH | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| FUFca US LLC - Toledo Machining Plant (0387040123) | Perrysburg | OH | Transportation Equipment Manufacturing336330 | 100-499 | ◐ LIKELY ACTIVE |
| FIFiber-tech Industries INC | Washington Court House | OH | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| FPFindlay Products | Findlay | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| FBFiske Brothers Refining CO | Toledo | OH | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| FRFort Recovery Industries INC | Fort Recovery | OH | Primary Metal Manufacturing331523 | 100-499 | ◐ LIKELY ACTIVE |
| FPFresh Products, LLC | Perrysburg | OH | Chemical Manufacturing325612 | 100-499 | ◐ LIKELY ACTIVE |
| FTF T Precision | Fredericktown | OH | Machinery Manufacturing333612 | 100-499 | ◐ LIKELY ACTIVE |
| FGFuyao Glass America INC | Moraine | OH | Nonmetallic Mineral Product Manufacturing327215 | 500+ | ◐ LIKELY ACTIVE |
| GRGambrinus Roller | Canton | OH | Fabricated Metal Product Manufacturing332991 | 20-99 | ◐ LIKELY ACTIVE |
| GPGerbers Poultry INC | Apple Creek | OH | Food Manufacturing311615 | — | ◐ LIKELY ACTIVE |
| GSGkn Sinter Metals | Gallipolis | OH | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| GCGlass Coatings and Concepts * | Monroe | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| GEGoldsmith & Eggleton, INC | Wadsworth | OH | Plastics and Rubber Products Manufacturing326299 | 20-99 | ◐ LIKELY ACTIVE |
| GLGtl Lumber | Ironton | OH | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| GFGuaranteed Finishing Unlimited INC | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| HPHale Performance Coatings | Toledo | OH | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
Hartzell Propeller, LLC (0855100373) | Piqua | OH | Transportation Equipment Manufacturing336413 | 100-499 | ◐ LIKELY ACTIVE |
| HDHass Door CO | Wauseon | OH | Wood Product Manufacturing321911 | 100-499 | ◐ LIKELY ACTIVE |
| HEHeraeus Epurio LLC | Vandalia | OH | Chemical Manufacturing325199 | 20-99 | ◐ LIKELY ACTIVE |
| HEHerbert E. Orr Company | Paulding | OH | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| HAHexa Americas, INC. | Sidney | OH | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| HLHfi LLC | Canal Winchester | OH | Transportation Equipment Manufacturing336322 | 100-499 | ◐ LIKELY ACTIVE |
| HMHildreth Mfg LLC | Marion | OH | Primary Metal Manufacturing331522 | 20-99 | ◐ LIKELY ACTIVE |
| HAHitachi Astemo Americas INC. | Findlay | OH | Transportation Equipment Manufacturing336322 | 100-499 | ◐ LIKELY ACTIVE |
| HFHubbard Feeds INC | Botkins | OH | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| HPHubbell Power Systems / Ohio Brass | Wadsworth | OH | Computer and Electronic Product Manufacturing334413 | 20-99 | ◐ LIKELY ACTIVE |
| IIIten Industries, INC. - Plant 1 (0204010112) | Ashtabula | OH | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| JCJones-hamilton CO | Walbridge | OH | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| KAKaiser Aluminum | Heath | OH | Primary Metal Manufacturing331312 | 100-499 | ◐ LIKELY ACTIVE |
| KMKalida Manufacturing INC | Kalida | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| LCLake City Plating Plant 1 | Ashtabula | OH | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| LILakepark Industries INC | Greenwich | OH | Transportation Equipment Manufacturing336370 | 100-499 | ◐ LIKELY ACTIVE |
| LOLand O'lakes Kent | Kent | OH | Food Manufacturing311225 | 100-499 | ◐ LIKELY ACTIVE |
| LCLogan Clay Products CO | Logan | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| LALyondellbasell Advanced Polymers INC | Akron | OH | Chemical Manufacturing325991 | 20-99 | ◐ LIKELY ACTIVE |
| MRMaag Reduction | Kent | OH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| MBMahle Behr Mt Sterling INC | Mount Sterling | OH | Primary Metal Manufacturing331318 | 100-499 | ◐ LIKELY ACTIVE |
| MBMaterion Brush INC | Lorain | OH | Primary Metal Manufacturing331314 | 20-99 | ◐ LIKELY ACTIVE |
| MCMayco Colors | Hilliard | OH | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| MDMb Dynamics, INC. | Bedford | OH | Computer and Electronic Product Manufacturing334519 | 20-99 | ◐ LIKELY ACTIVE |
| MIMichelman INC | Cincinnati | OH | Chemical Manufacturing325180 | 20-99 | ◐ LIKELY ACTIVE |
| MEMidwest Elastomers INC | Wapakoneta | OH | Chemical Manufacturing325212 | 20-99 | ◐ LIKELY ACTIVE |
| MFMid-west Forge CORP | Cleveland | OH | Fabricated Metal Product Manufacturing332111 | 100-499 | ◐ LIKELY ACTIVE |
| MEMitsubishi Electric Automotive America (1483090295) | Mason | OH | Transportation Equipment Manufacturing336310 | 100-499 | ◐ LIKELY ACTIVE |
| MMMonogram Metals, INC. | Byesville | OH | Fabricated Metal Product Manufacturing332312 | 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 |