| CVCorsa Verde LLC | Columbus, OH | Chemical Manufacturing325411 | 1–19 | ◐ LIKELY ACTIVE |
| CWCote Winery | Mt. Gilead, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
Crane 1 Services - Columbus | Columbus, OH | Machinery Manufacturing333923 | 1–19 | ◐ LIKELY ACTIVE |
| CFCreekside Farms | Marengo, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal USA, Inc. - CAPP Tech Lancaster | Lancaster, OH | Fabricated Metal Product Manufacturing332119 | 1–19 | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal USA, Inc. - Mill Park Plant | Lancaster, OH | Fabricated Metal Product Manufacturing332431 | 100–499 | ◐ LIKELY ACTIVE |
| CSCurtis St | Delaware, OH | Primary Metal Manufacturing331511 | 20–99 | ◐ LIKELY ACTIVE |
| CECutting Edge Countertops, Inc. - Delaware | Delaware, OH | Nonmetallic Mineral Product Manufacturing327991 | 1–19 | ◐ LIKELY ACTIVE |
| DDac | Reynoldsburg, OH | Machinery Manufacturing333922 | 100–499 | ◐ LIKELY ACTIVE |
| DBDafuque Beer Company LLC | Columbus, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DUDalton Union LLC | Marysville, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DIDariFill, Inc. | Westerville, OH | Machinery Manufacturing333993 | 20–99 | ◐ LIKELY ACTIVE |
| DSDarPro Storage Solutions-Marengo | Marengo, OH | Fabricated Metal Product Manufacturing332439 | 20–99 | ◐ LIKELY ACTIVE |
| DCDazpak Columbus | Columbus, OH | Plastics and Rubber Products Manufacturing326111 | 20–99 | ◐ LIKELY ACTIVE |
| DIDefabco, Inc | Columbus, OH | Fabricated Metal Product Manufacturing332322 | 20–99 | ◐ LIKELY ACTIVE |
| DCDelaware Container | Delaware, OH | Paper Manufacturing322211 | 100–499 | ◐ LIKELY ACTIVE |
| DODelaware OH Truss | Delaware, OH | Wood Product Manufacturing321215 | 20–99 | ◐ LIKELY ACTIVE |
| DPDelaware Plant 403 | Delaware, OH | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| DPDfnx Products LLC | Westerville, OH | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| DCDick's Cold Storage | Columbus, OH | — | — | ◐ LIKELY ACTIVE |
| DMDig Manufacturing LLC | Columbus, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DMDimensional Metals Inc | Reynoldsburg, OH | Fabricated Metal Product Manufacturing332322 | 20–99 | ◐ LIKELY ACTIVE |
| DBDistrict Brewing Company, INC. | Columbus, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DPDonatos Pizza/Jane's Dough Foods | Columbus, OH | Food Manufacturing311412 | 20–99 | ◐ LIKELY ACTIVE |
| DDublin | Dublin, OH | Electrical Equipment, Appliance & Component Manufacturing335999 | 20–99 | ◐ LIKELY ACTIVE |
| DCDublin-3mus-oh Cogent | Dublin, OH | Miscellaneous Manufacturing339113 | 1–19 | ◐ LIKELY ACTIVE |
| DUDupon USA LLC | Columbus, OH | Food Manufacturing311821 | 20–99 | ◐ LIKELY ACTIVE |
| EHEarthley Headquarters | Columbus, OH | Chemical Manufacturing325411 | 100–499 | ◐ LIKELY ACTIVE |
| EMEast Main Book Market LLC | Columbus, OH | Printing and Related Support Activities323117 | — | ◐ LIKELY ACTIVE |
| EBEastside Brewing Company | Reynoldsburg, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EBE.C. Babbert 1 | Canal Winchester, OH | Nonmetallic Mineral Product Manufacturing327390 | 20–99 | ◐ LIKELY ACTIVE |
| ESEcho Spirits Distilling Co. | Columbus, OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| EBEdison Brewing Company LLC | Gahanna, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| ECEdward Cline | Hilliard, OH | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| ERElastostar Rubber CORP | Plain City, OH | Plastics and Rubber Products Manufacturing326299 | — | ◐ LIKELY ACTIVE |
| EPEl Palomar | Circleville, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EBEmpower Battery Technology INC | Gahanna, OH | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◐ LIKELY ACTIVE |
| ESEndeavor Spirits | Columbus, OH | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| ESEnvelope Solutions LLC | Lewis Center, OH | Machinery Manufacturing333243 | 20–99 | ◐ LIKELY ACTIVE |
| EREquus Ridge, LTD. | Newark, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EOEssilor of America | Groveport, OH | Miscellaneous Manufacturing339115 | 100–499 | ◐ LIKELY ACTIVE |
| ELEtohio, LLC | Powell, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| EAEvans Adhesives Corporation | Columbus, OH | Chemical Manufacturing325520 | 20–99 | ◐ LIKELY ACTIVE |
| FHFederal Heath Sign Company-Delaware, OH | Delaware, OH | Miscellaneous Manufacturing339950 | 100–499 | ◐ LIKELY ACTIVE |
| FCFiltra-Systems Company LLC - Columbus OH | Columbus, OH | Machinery Manufacturing333999 | 1–19 | ◐ LIKELY ACTIVE |
| FWFirefly Winery | Hilliard, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| FCFluid Connectors Columbus TFD | Columbus, OH | Fabricated Metal Product Manufacturing332919 | 20–99 | ◐ LIKELY ACTIVE |
| FIFluidol, INC. | Columbus, OH | Miscellaneous Manufacturing339991 | — | ◐ LIKELY ACTIVE |
| FPFluid Power Solution LLC | Hilliard, OH | Machinery Manufacturing333996 | — | ◐ LIKELY ACTIVE |
| FUFluvitex, USA | Groveport, OH | Textile Product Mills314120 | 100–499 | ◐ LIKELY ACTIVE |