| DMDATCO Mfg. LLC | Youngstown, OH | Fabricated Metal Product Manufacturing332812 | 100–499 | ◐ LIKELY ACTIVE |
| DWDePizzo Wines | Youngstown, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DWDiletto Winery, LLC | Youngstown, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DPDinesol Plastics Inc-Meridian | Youngstown, OH | Plastics and Rubber Products Manufacturing326199 | 100–499 | ◐ LIKELY ACTIVE |
| DPDinesol Plastics Inc - Victoria | Youngstown, OH | Plastics and Rubber Products Manufacturing326199 | 1–19 | ◐ LIKELY ACTIVE |
| DSDiRusso's Sausage Incorporated | Youngstown, OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| DDistribution | Youngstown, OH | Food Manufacturing311812 | 20–99 | ◐ LIKELY ACTIVE |
| DBDope Brands LLC | Youngstown, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DCDOPE Cider House and Winery | Youngstown, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DMDrake Manufacturing LLC | Warren, OH | Machinery Manufacturing333517 | 20–99 | ◐ LIKELY ACTIVE |
| DDuo-Corp. | North Lima, OH | Plastics and Rubber Products Manufacturing326199 | 20–99 | ◐ LIKELY ACTIVE |
| DDD&w Defense Contractors | Warren, OH | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| FIFireline Inc. | Youngstown, OH | Nonmetallic Mineral Product Manufacturing327120 | 20–99 | ◐ LIKELY ACTIVE |
| FSFoxconn System | Lordstown, OH | Transportation Equipment Manufacturing336111 | 100–499 | ◐ LIKELY ACTIVE |
Gasser Chair Co., Inc. - Production Division 1 | Youngstown, OH | Furniture and Related Product Manufacturing337127 | 20–99 | ◐ LIKELY ACTIVE |
| GGGemini Group Tri-R Dies, Inc. | Youngstown, OH | Machinery Manufacturing333514 | 20–99 | ◐ LIKELY ACTIVE |
| GLGeneva Liberty Steel | Youngstown, OH | Primary Metal Manufacturing331221 | 20–99 | ◐ LIKELY ACTIVE |
| GIGlunt Industries Plant 2 | Warren, OH | Fabricated Metal Product Manufacturing332710 | 20–99 | ◐ LIKELY ACTIVE |
| GIGlunt Industries Plant 3 | Warren, OH | Fabricated Metal Product Manufacturing332710 | 1–19 | ◐ LIKELY ACTIVE |
| GEGreene Eagle Winery | Cortland, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HIHallco Industries, Inc. - Ohio | Austintown, OH | Machinery Manufacturing333922 | 1–19 | ◐ LIKELY ACTIVE |
| HHHartford Hill Winery, LTD. | Fowler, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| HOHBB Ohio | Canfield, OH | Plastics and Rubber Products Manufacturing326199 | 1–19 | ◐ LIKELY ACTIVE |
| HPH.M.G. Processing LLC | Youngstown, OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| HHubbard | Hubbard, OH | Fabricated Metal Product Manufacturing332313 | 20–99 | ◐ LIKELY ACTIVE |
| HAHumtown Additive | Youngstown, OH | Fabricated Metal Product Manufacturing332999 | 20–99 | ◐ LIKELY ACTIVE |
| HIHynes Industries, Inc. - Youngstown, OH | Youngstown, OH | Fabricated Metal Product Manufacturing332114 | 100–499 | ◐ LIKELY ACTIVE |
| HIHynes Industries- Youngstown | Youngstown, OH | Fabricated Metal Product Manufacturing332114 | 100–499 | ◐ LIKELY ACTIVE |
| ITIndustrial Tank & Containment INC | Brookfield, OH | Fabricated Metal Product Manufacturing332420 | — | ◐ LIKELY ACTIVE |
| IYISC - Youngstown, OH | Youngstown, OH | Fabricated Metal Product Manufacturing332999 | 100–499 | ◐ LIKELY ACTIVE |
| JIJackson International Inc DBA Jaxon | Mineral Ridge, OH | Primary Metal Manufacturing331221 | 20–99 | ◐ LIKELY ACTIVE |
| KSKartal Services Group INC | Hubbard, OH | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| LMLake Milton Brewery, LTD | Lake Milton, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LDLeone DiCesare & Sons | Warren, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LPLil Paws Winery | Lake Milton, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LSLivi Steel Inc | Warren, OH | Fabricated Metal Product Manufacturing332312 | 20–99 | ◐ LIKELY ACTIVE |
| LHLocust Hill Specialty Foods, LLC | Brookfield, OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LBL'uva Bella Winery | Lowellville, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
Mack Industries of PA | Vienna, OH | Nonmetallic Mineral Product Manufacturing327390 | 20–99 | ◐ LIKELY ACTIVE |
| MIMacpherson Industries LLC | Warren, OH | Nonmetallic Mineral Product Manufacturing327211 | — | ◐ LIKELY ACTIVE |
| MWMastropietro Winery, INC. | Berlin Center, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MMasury | Masury, OH | Fabricated Metal Product Manufacturing332313 | 20–99 | ◐ LIKELY ACTIVE |
| MMMom's Meals North Jackson Kitchen | North Jackson, OH | Food Manufacturing311991 | 100–499 | ◐ LIKELY ACTIVE |
| MNMr. November Wine LLC | Struthers, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MWMyrddin Winery | Berlin Center, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NBNiles Building Products Company - Ohio | Niles, OH | Fabricated Metal Product Manufacturing332312 | 1–19 | ◐ LIKELY ACTIVE |
| NZNiles Zekelman Industries | Niles, OH | Primary Metal Manufacturing331210 | 20–99 | ◐ LIKELY ACTIVE |
| NCNoble Creature | Youngstown, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NENovatech Entry Doors, LLC. | Austintown, OH | Wood Product Manufacturing321911 | 20–99 | ◐ LIKELY ACTIVE |
| NCNovelis Corporation | Warren, OH | Fabricated Metal Product Manufacturing332812 | 20–99 | ◐ LIKELY ACTIVE |