| DPDupont Performance Coatings | Fort Madison, IA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix - Fort Madison | Fort Madison, IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ITIndustrial Tooling & Fabrication - Former Site of | Fort Madison, IA | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| IFIowa Fertilizer Company | Wever, IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| KGKirchners Garage | Donnellson, IA | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| SESiemens Energy, INC. | Fort Madison, IA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| SGSiemens Gamesa Renewable Energy INC | Fort Madison, IA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| SISoutheast Iowa Aluminum Foundry, INC. | Keokuk, IA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| TSTri-state Sheetmetal, INC. | Keokuk, IA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| WLW2fuel LLC | Keokuk, IA | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |