| OROhio River Vista Vineyard, Winery and Research Station | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| ODOTR Distillers | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| PBParadise Brewing | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PCPeter Cremer North America - Bottling Facility | Cincinnati | OH | Chemical Manufacturing325613 | 20-99 | ◐ LIKELY ACTIVE |
| PCPeter Cremer North America - East Warehouse | Cincinnati | OH | Chemical Manufacturing325613 | 20-99 | ◐ LIKELY ACTIVE |
| PUPe Usa, INC. | Cincinnati | OH | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| PCPME Cincinnati | Cincinnati | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| PIPositrol, INC. | Cincinnati | OH | Machinery Manufacturing333515 | — | ▲ REPORTED CLOSED |
| P1Prost 1788 | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PPProtective Packaging Solutions | Cincinnati | OH | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| PPsg | Cincinnati | OH | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| QCQueen City Awning | Cincinnati | OH | Textile Product Mills314910 | 20-99 | ◐ LIKELY ACTIVE |
| QCQueen City Manufacturing LLC | Cincinnati | OH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| RARajavarma Armory and Weapons Systems LLC | Cincinnati | OH | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| RTRB Tool and Manufacturing | Cincinnati | OH | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| RMRebel Mettle Brewery LLC | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RORevel OTR | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RBRhinegeist Brewery | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RERj&ad Enterprise, LLC | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| RSRobbins Sports Surfaces | Cincinnati | OH | Wood Product Manufacturing321918 | 20-99 | ◐ LIKELY ACTIVE |
R.s. Hughes Company, INC. | Cincinnati | OH | Fabricated Metal Product Manufacturing332510 | — | ◐ LIKELY ACTIVE |
| SCSAI Cincinnati | Cincinnati | OH | Miscellaneous Manufacturing339113 | 100-499 | ◐ LIKELY ACTIVE |
| SMSchad Meats Inc. | Cincinnati | OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| SSeabrook | Cincinnati | OH | Printing and Related Support Activities323111 | 1-19 | ◐ LIKELY ACTIVE |
| SFSmart Foods LLC | Cincinnati | OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| S1Source 1 Alloys, INC. | Cincinnati | OH | Transportation Equipment Manufacturing336412 | — | ◐ LIKELY ACTIVE |
| SSS & S Fastener Company | Cincinnati | OH | Nonmetallic Mineral Product Manufacturing327910 | — | ◐ LIKELY ACTIVE |
| SSteelcraft | Cincinnati | OH | Fabricated Metal Product Manufacturing332321 | 500+ | ◐ LIKELY ACTIVE |
| SISteel It, LLC | Cincinnati | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| S1Store 11 | Cincinnati | OH | Printing and Related Support Activities323111 | 1-19 | ◐ LIKELY ACTIVE |
| SIStoropack, Inc. - Cincinnati | Cincinnati | OH | Plastics and Rubber Products Manufacturing326140 | 1-19 | ◐ LIKELY ACTIVE |
| SIStoropack, Inc.- Packaging Systems Integrations Building | Cincinnati | OH | Plastics and Rubber Products Manufacturing326140 | 1-19 | ◐ LIKELY ACTIVE |
| SSSugaright Springdale | Cincinnati | OH | Food Manufacturing311314 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical - Centron Place | Cincinnati | OH | Chemical Manufacturing325910 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Chickering Plant | Cincinnati | OH | Chemical Manufacturing325130 | 20-99 | ◐ LIKELY ACTIVE |
Sun Chemical Spring Grove Site Campus 2026 | Cincinnati | OH | Chemical Manufacturing325130 | 100-499 | ◐ LIKELY ACTIVE |
Superalloy Manufacturing Solutions Corporation Plant 2/3 | Cincinnati | OH | Computer and Electronic Product Manufacturing334511 | 100-499 | ◐ LIKELY ACTIVE |
| SLSur-seal, LLC | Cincinnati | OH | Miscellaneous Manufacturing339991 | — | ◐ LIKELY ACTIVE |
| TJTempo Jazz Lounge | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TCterrasmart - Cincinnati | Cincinnati | OH | Primary Metal Manufacturing331221 | 100-499 | ◐ LIKELY ACTIVE |
| TUThales Usa, INC. | Cincinnati | OH | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
The Home City Ice Company Forest Park | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312113 | 1-19 | ◐ LIKELY ACTIVE |
| TMThe Metalworking Group - Pippin Road | Cincinnati | OH | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TMThe Modal Shop, INC. | Cincinnati | OH | Computer and Electronic Product Manufacturing334419 | — | ◐ LIKELY ACTIVE |
| TNThe Netherland Rubber CO | Cincinnati | OH | Miscellaneous Manufacturing339991 | — | ◐ LIKELY ACTIVE |
| TPThe Procter & Gamble Distributing LLC | Cincinnati | OH | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| TWThe Wm. Lang & Sons Co. | Cincinnati | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| TWThe Wornick Company dba Baxters North America, Inc. | Cincinnati | OH | — | — | ◐ LIKELY ACTIVE |
| TWThe Wornick Company dba Baxters North America, Inc. | Cincinnati | OH | — | — | ◐ LIKELY ACTIVE |
| TVTino Vino Vintners | Cincinnati | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |