| PCParker-hannifin Corporation | Columbus, OH | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| PFPeacekeeper Firearms, LLC | Hilliard, OH | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| PEPhoenix Electrotek, LLC | Lancaster, OH | Electrical Equipment, Appliance & Component Manufacturing335931 | 20–99 | ◐ LIKELY ACTIVE |
| PCPlain City | Plain City, OH | Electrical Equipment, Appliance & Component Manufacturing335312 | 20–99 | ◐ LIKELY ACTIVE |
| PLPlaskolite, LLC | Columbus, OH | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PNPlastipak- Newark | Hebron, OH | Plastics and Rubber Products Manufacturing326160 | 20–99 | ◐ LIKELY ACTIVE |
| PVPowell Village Winery | Powell, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PSPrestress Services Industries, LLC | Columbus, OH | Nonmetallic Mineral Product Manufacturing327390 | 20–99 | ◐ LIKELY ACTIVE |
| QTQaf Technologies INC | Columbus, OH | Fabricated Metal Product Manufacturing332322 | — | ◐ LIKELY ACTIVE |
| QTQuintus Tech | Lewis Center, OH | Machinery Manufacturing333517 | 20–99 | ◐ LIKELY ACTIVE |
| RHRambling House Cocktails | Columbus, OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| RCRavenhurst Champagne Cellars, LTD | Mount Victory, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RLRegeneir LLC | Powell, OH | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| RFRetreat21 Farms LLC | Marysville, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RRRevolution Rockbridge, LLC | Good Hope Township, Rockbridge, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RReynoldsburg (OH) | Columbus, OH | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| RBRhetoric Brewing Company | Richwood, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RBRhinegeist Brewery | Columbus, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RPRich Products Hilliard | Hilliard, OH | Food Manufacturing311813 | 100–499 | ◐ LIKELY ACTIVE |
| RCRidge Corporation (Zeus) | Pataskala, OH | Plastics and Rubber Products Manufacturing326113 | 20–99 | ◐ LIKELY ACTIVE |
| RFRogue Fitness | Columbus, OH | Miscellaneous Manufacturing339920 | 500+ | ◐ LIKELY ACTIVE |
| RFRogue Fitness - WB | Columbus, OH | Miscellaneous Manufacturing339920 | 20–99 | ◐ LIKELY ACTIVE |
| RMRoof Maxx Technologies | Westerville, OH | Chemical Manufacturing325320 | 20–99 | ◐ LIKELY ACTIVE |
| RWRoseLynn Winery | Baltimore, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RCRTP Company - Gahanna | Gahanna, OH | Chemical Manufacturing325991 | 20–99 | ◐ LIKELY ACTIVE |
| RIRubex Inc | Grove City, OH | Chemical Manufacturing325520 | 20–99 | ◐ LIKELY ACTIVE |
| RBRustic Brew Farm | Marysville, OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| RIRyder Integrated Logistics, Inc. | Columbus, OH | — | — | ◐ LIKELY ACTIVE |
| SMSalem Manufacturing & Sales INC | Columbus, OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SPSamuel Packaging Systems Group-Heath | Heath, OH | Fabricated Metal Product Manufacturing332999 | 100–499 | ◐ LIKELY ACTIVE |
| SSSavare Specialty Adhesives LLC | Delaware, OH | Chemical Manufacturing325520 | 20–99 | ◐ LIKELY ACTIVE |
| SLSawmiller LLC - Nelsonville | Nelsonville, OH | Wood Product Manufacturing321920 | 20–99 | ◐ LIKELY ACTIVE |
| SRScioto Ready Mix | Pataskala, OH | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| SLScott L Kistler | Columbus, OH | Chemical Manufacturing325211 | 20–99 | ◐ LIKELY ACTIVE |
| SNSeek No Further Cider Co. | Granville, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SNSeek No Further Cidery | Newark, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SLSEL Lewis Center OH | Lewis Center, OH | Electrical Equipment, Appliance & Component Manufacturing335314 | 1–19 | ◐ LIKELY ACTIVE |
| SVShamrock Vineyard | Waldo, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SMShelly Materials, Inc. - Liquid Division | Thornville, OH | Petroleum and Coal Products Manufacturing324110 | 20–99 | ◐ LIKELY ACTIVE |
| SDSiemer Distributing Co., Inc. | New Lexington, OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SSSimpson Strong-Tie (Columbus, OH) | Columbus, OH | Fabricated Metal Product Manufacturing332312 | 100–499 | ◐ LIKELY ACTIVE |
| SFSK Food Group Inc | Columbus, OH | — | — | ◐ LIKELY ACTIVE |
| SRSlate Run Vineyard | Canal Winchester, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| SDSmith Dental Laboratory, LLC | West Jefferson, OH | Miscellaneous Manufacturing339116 | — | ◐ LIKELY ACTIVE |
| SLSnider-flautt Lumber, INC. | New Lexington, OH | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SCSnyder Concrete Products - Yard 8 | Columbus, OH | Nonmetallic Mineral Product Manufacturing327331 | 1–19 | ◐ LIKELY ACTIVE |
| SSofidel | Circleville, OH | Paper Manufacturing322120 | 500+ | ◐ LIKELY ACTIVE |
| SPSouthpark Place | Grove City, OH | Printing and Related Support Activities323111 | 20–99 | ◐ LIKELY ACTIVE |
| SMSpectrum Manufacturing & Sales, INC | Columbus, OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SEStanley Electric US Co Inc - ELP | London, OH | Transportation Equipment Manufacturing336320 | 100–499 | ◐ LIKELY ACTIVE |