| AAAz Automotive | Warren | MI | Transportation Equipment Manufacturing336370 | — | ◇ UNVERIFIED |
| BBBeacon Boats, INC. | Warren | RI | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| BPB&l Plating, INC. | Warren | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CICarboloy INC | Warren | MI | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CWCb&i Water/warren Facility | Warren | PA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| CCCelgene Cellular Therapeutics | Warren | NJ | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CMCentral Metal Products | Warren | MI | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CUCeratizit Usa, INC. | Warren | MI | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| DIDana Incorporated | Warren | MI | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| DSDeluxe Storage Systems INC | Warren | PA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| ENEllwood Natl Forge Warren Div | Warren | PA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EOEnthone Omi INC | Warren | MI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GLGe Lighting INC - Ohio Lamp Plant No 344 | Warren | OH | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◇ UNVERIFIED |
| GMGeneral Motors LLC | Warren | MI | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| GMGeneral Motors LLC Lordstown Complex | Warren | OH | Transportation Equipment Manufacturing336111 | — | ◇ UNVERIFIED |
| GPGm Powertrain Warren Transmission | Warren | MI | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
 Golden Aluminum Extrusions Warren, LLC | Warren | OH | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| HKHardwick Knitted Fabrics | Warren | MA | Textile Mills313241 | — | ◇ UNVERIFIED |
| HMHarsco Metals - Warren | Warren | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HTHercules Tool & Die LLC | Warren | MI | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| ICIa Const Corp/starbrick Plt | Warren | PA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| ICInterlectric Co/warren | Warren | PA | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◇ UNVERIFIED |
| ICInvecast Corporation | Warren | MI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| IAIroquois Assembly Systems | Warren | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| JLJ L Geisler Corporation | Warren | MI | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| KSKuka Systems North America LLC | Warren | MI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| MWMichigan Wire Die | Warren | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MCMitsubishi Chemical Performance Polymers INC | Warren | MI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| MIMonarch Industries | Warren | RI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| NHNitro-vac Heat Treat-warren | Warren | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| PAParton and Preble INC | Warren | MI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PAPatterson Asphalt Industries LLC | Warren | ME | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| PMPerkins Machine CO | Warren | MA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PFPolytec Foha | Warren | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PIPpg Industries INC | Warren | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PAPpi Aerospace | Warren | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PAPpi Aerospace | Warren | MI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| RPResco Products, INC. - United Refractories | Warren | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SESchaefer Equipment CO | Warren | OH | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| SPSoramatic Precision Machining | Warren | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SPSteel Processing CO | Warren | MI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| UCUnicote Corporation | Warren | MI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WWWest Warren Mill Complex | Warren | MA | Textile Product Mills314991 | — | ◇ UNVERIFIED |
| WCWeyerhaeuser CO | Warren | MI | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| WIWhirley Ind Inc/harmar St | Warren | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WIWhirley Industries INC | Warren | PA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WDWolverine Die Cast-hoover Rd | Warren | MI | Primary Metal Manufacturing331522 | — | ◇ UNVERIFIED |
| 3S3394 Saturn Wheel | Warren | IN | Transportation Equipment Manufacturing336390 | 20-99 | ◐ LIKELY ACTIVE |
| 8818-Eastside | Warren | MI | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| AAAcme Abrasives | Warren | MI | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ◐ LIKELY ACTIVE |
