| IEIowa Engineered Processes | Independence | IA | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| IEIowa E.p.s. Products, INC - Des Moines | Des Moines | IA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| IIIpc INC | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| ITIpsco Tubulars Incorporated | Camanche | IA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| JEJancy Engineering Company | Davenport | IA | Machinery Manufacturing333991 | — | ◇ UNVERIFIED |
| JPJarnigan Painting | Johnston | IA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| JIJefferson, Ia 27 | Jefferson | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| JIJeld-wen, INC - Dba Jeld-wen - Dubuque | Dubuque | IA | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| JIJeld-wen INC - Grinnell | Grinnell | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| JHJim Hawk Truck Trailers INC | Council Bluffs | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| JEJm Eagle | Wilton | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| JMJohn Morrell & Company - Siou | Sioux City | IA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| JMJohnson Machine Works INC | Chariton | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| JGJunker Group LLP | Des Moines | IA | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| KCKalona Creamery, LLC | Kalona | IA | Food Manufacturing311513 | — | ◇ UNVERIFIED |
| KCKansas City Sausage Company, LLC | Des Moines | IA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| KSK.a. Steel Chemicals INC. | Muscatine | IA | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| KEKay Enterprises INC | Janesville | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| KTKcci Tv Hearst Argyle Television CO | Des Moines | IA | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| KLKelderman Lime | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| KGKemx Global | Boone | IA | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| KNKent Nutrition Group INC | Ireton | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| KNKent Nutrition Group Inc-sioux City | Sioux City | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| KFKeokuk Ferro Sil Cyprus Foote | Keokuk | IA | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| KCKey Cooperative - Grinnell | Grinnell | IA | Food Manufacturing311000 | — | ◇ UNVERIFIED |
| KIKiewit Infrastructure CO. | Pacific Junction | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| KIKilborn, INC. | Cedar Rapids | IA | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| KCKiliper Corporation | Ames | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| KRKnife River | Polk County | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| KFKoch Fertilizer, LLC - Garner Terminal | Garner | IA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company, LLC - Marshalltown Terminal | Marshalltown | IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| KFKraft Foods Global | Davenport | IA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| LLLamont LTD | Burlington | IA | Furniture and Related Product Manufacturing337125 | — | ◇ UNVERIFIED |
| LOLand O'lakes Purina Feed LLC - Sheldon | Sheldon | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| LCLandus Cooperative - Churdan | Churdan | IA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| LCLandus Cooperative - Lake City | Lake City | IA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| LHLiberty Holdings | Grimes | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LILinde, INC. | Muscatine | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| LILloyd INC | Shenandoah | IA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| LTLumen Technologies | Des Moines | IA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| MMMackay Mitchell Envelope CORP | Mt Pleasant | IA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| MManatts | Bondurant | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MCManatts Concrete | Ankeny | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MIManatts INC | Johnston | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MIManatts INC | West Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MIManatts, INC. | Walford | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| MPMarion Process Solutions | Marion | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| MFMarzetti Frozen Pasta | Altoona | IA | Food Manufacturing311412 | — | ◇ UNVERIFIED |
| MCMasonite Corporation | Mason City | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| MCMasonite Corporation | Mason City | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
