Gregory Manufacturing Company | Fort Madison, IA | Fabricated Metal Product Manufacturing332312 | — | ● ACTIVE |
Hawkeye Steel Products, INC | Houghton, IA | Fabricated Metal Product Manufacturing332311 | — | ● ACTIVE |
Huffman Welding & Machine, INC. | Fort Madison, IA | Fabricated Metal Product Manufacturing332710 | 20–99 | ● ACTIVE |
General Atomics International Services CORP | Fort Madison, IA | Chemical Manufacturing325998 | — | ● ACTIVE |
| DSDupont Specialty Products USA LLC - Fort Madison | Fort Madison, IA | Chemical Manufacturing325211 | 20–99 | ◐ LIKELY ACTIVE |
| KSKeokuk Steel Castings a Matrix Metals CO LLC | Keokuk, IA | Primary Metal Manufacturing331222 | 100–499 | ◐ LIKELY ACTIVE |
| KFKoch Fertilizer Wever, LLC | Wever, IA | Chemical Manufacturing325311 | 100–499 | ◐ LIKELY ACTIVE |
| ARAmsted Rail Company, INC | Keokuk, IA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| CMClimax Molybdenum Company | Fort Madison, IA | Chemical Manufacturing325188 | — | ◐ LIKELY ACTIVE |
| CFConagra Foods Packaged Foods LLC | Fort Madison, IA | Food Manufacturing311422 | — | ◐ LIKELY ACTIVE |
| HAHenniges Automotive Iowa, INC | Keokuk, IA | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| PLPaperpak LLC | Fort Madison, IA | Paper Manufacturing322121 | 20–99 | ◐ LIKELY ACTIVE |
| RARoquette America, INC | Keokuk, IA | Food Manufacturing311221 | — | ◐ LIKELY ACTIVE |
Steffensmeier Welding & Manufacturing INC | Pilot Grove, IA | Fabricated Metal Product Manufacturing332313 | — | ◐ LIKELY ACTIVE |
| SLSt Louis Gear CO INC | Keokuk, IA | Machinery Manufacturing333612 | 20–99 | ◐ LIKELY ACTIVE |
| TSThe Scotts Co., Ortho Business Group | Fort Madison, IA | Chemical Manufacturing325314 | — | ◐ LIKELY ACTIVE |
| FFFoam Fabricators, INC | Fort Madison, IA | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| GTGlycerin Traders LLC Keokuk | Keokuk, IA | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| KMKeokuk Mills, LLC | Keokuk, IA | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| SESiemens Energy INC L.p.-ft Madison Plant | Fort Madison, IA | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| SCSilgan Containers Ft Madison | Fort Madison, IA | Fabricated Metal Product Manufacturing332431 | 100–499 | ◐ LIKELY ACTIVE |
| GTGlycerin Traders | Keokuk, IA | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
Archer Daniels Midland - Keokuk | Keokuk, IA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| BUBox USA | Fort Madison, IA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| CDCryotech Deicing Technology | Fort Madison, IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| DEDonnellson Elevator CO. Donnellson | Donnellson, IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| ECElkem Carbon - Keokuk | Keokuk, IA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
| HMHeadco Machine Works | Keokuk, IA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| IRIdeal Ready Mix CO INC - Keokuk | Keokuk, IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ITIndustrial Tooling & Fabrication | Fort Madison, IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| KFKeokuk Ferro Sil Cyprus Foote | Keokuk, IA | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| MRMorse Rubber, LLC | Keokuk, IA | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| RARoquette America, INC. | City of Keokuk Campground, IA | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| SMSheaffer Manufacturing CO LLC | Fort Madison, IA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ABAllied Blending LP | Keokuk, IA | Food Manufacturing311999 | 100–499 | ◐ LIKELY ACTIVE |
| ACAxalta Coating Systems | Fort Madison, IA | Chemical Manufacturing325510 | 20–99 | ◐ LIKELY ACTIVE |
| CHChristian Hershler District | Donnellson, IA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CBConAgra Brands, Inc. | Fort Madison, IA | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| FFLSmidth | Keokuk, IA | Plastics and Rubber Products Manufacturing326291 | 20–99 | ◐ LIKELY ACTIVE |
| GAGeneral Atomics - Cryotech | Fort Madison, IA | Transportation Equipment Manufacturing336411 | 20–99 | ◐ LIKELY ACTIVE |
| GDgreenfrog distillery l.l.c. | Keokuk, IA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| GDGregory Design and Manufacturing | Fort Madison, IA | Fabricated Metal Product Manufacturing332313 | 20–99 | ◐ LIKELY ACTIVE |
| HHHeartland Harvest Winery | Fort Madison, IA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| QPQuality Plus Feeds Inc. | Saint Paul, IA | Food Manufacturing311119 | 20–99 | ◐ LIKELY ACTIVE |
| TSThe Scotts Company - Fort Madison | Fort Madison, IA | Chemical Manufacturing325320 | 100–499 | ◐ LIKELY ACTIVE |
| TSTri-State Sheet Metal | Keokuk, IA | Fabricated Metal Product Manufacturing332322 | 1–19 | ◐ LIKELY ACTIVE |
| ASAdm Specialty Food Ingredients | Keokuk, IA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| AIAgrequip INC. | Houghton, IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BPBagcraft Packaging, LLC | Fort Madison, IA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| DTDetroit Tool & Metal Products | Fort Madison, IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |