| ECElectrolizing Corporation of Ohio Plant 1 | Cleveland | — | ◐ LIKELY ACTIVE |
| EPElectro Plating & Fabricating CO | Cleveland | — | ◐ LIKELY ACTIVE |
| EPElectro Prime Rossford (0487010075) | Rossford | — | ◐ LIKELY ACTIVE |
| ECEnerfab CORP | Cincinnati | 500+ | ◐ LIKELY ACTIVE |
| EPErico Products INC Aka Nvent | Solon | — | ◐ LIKELY ACTIVE |
| FCFalon Company | Highland Heights | — | ◐ LIKELY ACTIVE |
| FLFbf Limited Dba Queen City Steel Treating CO | Cincinnati | 1–19 | ◐ LIKELY ACTIVE |
| GPGeneral Plastex, INC. | Barberton | 1–19 | ◐ LIKELY ACTIVE |
| HRHannecard Roller Coatings INC. | Barberton | 20–99 | ◐ LIKELY ACTIVE |
| HMHarding Machine Company Inc-harding Machine INC | East Liberty | — | ◐ LIKELY ACTIVE |
| HLHawkline LLC | Mount Orab | — | ◐ LIKELY ACTIVE |
| HIHercules Industries INC | Prospect | 1–19 | ◐ LIKELY ACTIVE |
| HDHeroux Devtek USA INC | Strongsville | 100–499 | ◐ LIKELY ACTIVE |
| IDIndigo Dry Ice Blasting | Montpelier | 1–19 | ◐ LIKELY ACTIVE |
| ICIngersoll-rand CO Steelcraft Div | Cincinnati | — | ◐ LIKELY ACTIVE |
| JGJoy Global-solon Operations | Solon | — | ◐ LIKELY ACTIVE |
| KIKidron INC | Dalton | — | ◐ LIKELY ACTIVE |
| LCL3 Communications Kdi Precision Prods | Cincinnati | — | ◐ LIKELY ACTIVE |
| LCLake City Plating Plant 2 | Ashtabula | — | ◐ LIKELY ACTIVE |
| LMLeppert Machine CO INC | Mansfield | — | ◐ LIKELY ACTIVE |
| LMLewark Metal Spinning, INC. | Dayton | 20–99 | ◐ LIKELY ACTIVE |
| MHMa Harrison Mfg CO INC | Birmingham | — | ◐ LIKELY ACTIVE |
| MGMansfield Graphics Dba Five Handicap INC | Mansfield | 1–19 | ◐ LIKELY ACTIVE |
| MMMarine Mechanical CORP | Cleveland | — | ◐ LIKELY ACTIVE |
| MSMaterial Sciences Corporation - Canfield (0250030020) | Canfield | — | ◐ LIKELY ACTIVE |
| MMM & M Metals INC | Cincinnati | 1–19 | ◐ LIKELY ACTIVE |
| NINd Industries (1677130116) | Twinsburg | — | ◐ LIKELY ACTIVE |
Norman Noble INC Micromachining Div 1 | Highland Heights | — | ◐ LIKELY ACTIVE |
| NCNorth Coast Container CORP | Cleveland | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP. | Hicksville | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP Cylinder Div | Saint Marys | — | ◐ LIKELY ACTIVE |
| PHParker Hannifin CORP. - Eaton Plant (0868030048) | Eaton | — | ◐ LIKELY ACTIVE |
| PGPly Gem | Sidney | — | ◐ LIKELY ACTIVE |
| RIRansohoff INC | Cincinnati | — | ◐ LIKELY ACTIVE |
| REReliance Electric CO. | Cleveland | — | ◐ LIKELY ACTIVE |
Rittal North America, LLC (0111000132) | Urbana | — | ◐ LIKELY ACTIVE |
| RFRobeck Fluid Power CO. | Aurora | 20–99 | ◐ LIKELY ACTIVE |
| RSR.w. Screw Products, INC. | Massillon | — | ◐ LIKELY ACTIVE |
| RARykon Acquisitions LLC Dba Rykon Plating | Avon Lake | 1–19 | ◐ LIKELY ACTIVE |
| SSSamuel Son and CO USA INC | Heath | — | ◐ LIKELY ACTIVE |
| SSSifco Selective Plating | Independence | — | ◐ LIKELY ACTIVE |
| SISimpson Industries INC * | Edon | — | ◐ LIKELY ACTIVE |
| SSSrt Sales and Service (1576001860) | Canton | — | ◐ LIKELY ACTIVE |
| SAStadco Automatics (0829060007) | Fairborn | 20–99 | ◐ LIKELY ACTIVE |
| SPStephens Pipe and Steel INC | Mount Sterling | — | ◐ LIKELY ACTIVE |
| SDSteris Distribution Center | Mentor | — | ◐ LIKELY ACTIVE |
| SMSwagelok Manufacturing CO LLC | Solon | — | ◐ LIKELY ACTIVE |
| SMSwagelok Manufacturing CO LLC | Cleveland | — | ◐ LIKELY ACTIVE |
| SMSwagelok Manufacturing Co., LLC | Solon | — | ◐ LIKELY ACTIVE |
| SMSwagelok Manufacturing Company LLC | Willoughby Hills | — | ◐ LIKELY ACTIVE |