| MSMain Steel Polishing CO. INC. | Youngstown, OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| MIMar-zane INC Plant 27 | Warren, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MIMar-zane, INC. - Plant 28 | Youngstown, OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OVOhio Valley Aluminum C LLC Niles Facilit | Niles, OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| PGParker Gear Pump Division | Youngstown, OH | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| PHParker Hannifin Gear Pump Div Intertech Drive | Youngstown, OH | Machinery Manufacturing333996 | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Warren, OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| QSQuality Stampings | Alliance, OH | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| RPResco Products, INC. - United Refractories | Warren, OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SESchaefer Equipment CO | Warren, OH | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| SISebring Industrial Plating CO | Sebring, OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| SMStanwade Metal Products | Fowler, OH | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| SBStar Bronze CO * | Alliance, OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SMStarr Mfg INC | Vienna, OH | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SCSteel City CORP | Youngstown, OH | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| SWSteel Warehouse of Ohio | Warren, OH | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TITms International, LLC | Youngstown, OH | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| TWT & W Stamping - Austintown (0250000044) | Youngstown, OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| VUVam USA LLC | Youngstown, OH | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WFWarren Fabricating & Machining CORP | Hubbard, OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| WTWheatland Tube CO Niles Plant | Niles, OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AMAccuForm Main Location | Youngstown, OH | Fabricated Metal Product Manufacturing332710 | 20–99 | ◐ LIKELY ACTIVE |
| ALAerolite LLC | Youngstown, OH | Primary Metal Manufacturing331318 | 100–499 | ◐ LIKELY ACTIVE |
| AAAgilis Air, INC. | North Benton, OH | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| AIAML Industries Inc | Warren, OH | Chemical Manufacturing325998 | 20–99 | ◐ LIKELY ACTIVE |
| APAptiv - Plant 7 | Warren, OH | Transportation Equipment Manufacturing336320 | 20–99 | ◐ LIKELY ACTIVE |
| ASA.R. Schopp's Sons Inc. | Alliance, OH | Miscellaneous Manufacturing339992 | 20–99 | ◐ LIKELY ACTIVE |
| ASAstro Shapes LLC | Struthers, OH | Primary Metal Manufacturing331318 | 500+ | ◐ LIKELY ACTIVE |
| BBBaird Brothers Saw Mill Inc. | Canfield, OH | Wood Product Manufacturing321911 | 100–499 | ◐ LIKELY ACTIVE |
| BBarfections | Girard, OH | Food Manufacturing311991 | 20–99 | ◐ LIKELY ACTIVE |
| BRBbm Railway Equipment LLC | Youngstown, OH | Transportation Equipment Manufacturing336999 | — | ◐ LIKELY ACTIVE |
| BMBMT Masury | Masury, OH | Primary Metal Manufacturing331210 | 20–99 | ◐ LIKELY ACTIVE |
| BHBoc Hq | Salem, OH | Fabricated Metal Product Manufacturing332912 | 20–99 | ◐ LIKELY ACTIVE |
| BCBowser Construction INC | Youngstown, OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| BRBrainard Rivet Company | Girard, OH | Fabricated Metal Product Manufacturing332722 | 20–99 | ◐ LIKELY ACTIVE |
| BOBrentwood Originals - OH | Youngstown, OH | Textile Product Mills314120 | 100–499 | ◐ LIKELY ACTIVE |
Brilex Industries, Inc P2 | Youngstown, OH | Fabricated Metal Product Manufacturing332312 | 20–99 | ◐ LIKELY ACTIVE |
Brilex Industries, Inc. - P3 | Newton Falls, OH | Fabricated Metal Product Manufacturing332710 | 1–19 | ◐ LIKELY ACTIVE |
| BTBrilex Tech Services, INC | Youngstown, OH | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| CMCandella Micro-distillery, LLC | Boardman, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CCCarter Component Plant 534 | Newton Falls, OH | Wood Product Manufacturing321214 | 20–99 | ◐ LIKELY ACTIVE |
| CCCDH Custom Roll Form LLC | Warren, OH | Fabricated Metal Product Manufacturing332114 | 20–99 | ◐ LIKELY ACTIVE |
| COCentralOne Optical | Youngstown, OH | Miscellaneous Manufacturing339115 | 20–99 | ◐ LIKELY ACTIVE |
| CDClarkWestern Dietrich Building Systems - Vienna, OH | Vienna, OH | Fabricated Metal Product Manufacturing332322 | 100–499 | ◐ LIKELY ACTIVE |
| CDClarkWestern Dietrich Building Systems - Warren, OH | Warren, OH | Fabricated Metal Product Manufacturing332322 | 100–499 | ◐ LIKELY ACTIVE |
| COClassic Optical | Youngstown, OH | Computer and Electronic Product Manufacturing334510 | 100–499 | ◐ LIKELY ACTIVE |
| CMColumbiana Maze Craze | New Springfield, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CPCountry Porch Winery | Cortland, OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CPCover Pools Youngstown | Youngstown, OH | Textile Product Mills314910 | 1–19 | ◐ LIKELY ACTIVE |
| CCCurry Chemical Company LLC | Niles, OH | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |