| CMContinental Manufacturing Chemist, Inc. | Huxley | 100–499 | ◐ LIKELY ACTIVE |
| DSDupont Specialty Products USA LLC - Fort Madison | Fort Madison | 20–99 | ◐ LIKELY ACTIVE |
| GPGreat Plains Renewable Energy, INC | Shenandoah | 20–99 | ◐ LIKELY ACTIVE |
| GPGreen Plains Superior LLC | Superior | 20–99 | ◐ LIKELY ACTIVE |
| KFKoch Fertilizer Fort Dodge LLC | Duncombe | 20–99 | ◐ LIKELY ACTIVE |
| KFKoch Fertilizer Wever, LLC | Wever | 100–499 | ◐ LIKELY ACTIVE |
| LDLouis Dreyfus Commodities Grand Junction, LLC | Grand Junction | 20–99 | ◐ LIKELY ACTIVE |
| PBPoet Biorefining - Shell Rock Ethanol | Shell Rock | 20–99 | ◐ LIKELY ACTIVE |
| PGProctor & Gamble Hair Care Llc-iowa City | Iowa City | 500+ | ◐ LIKELY ACTIVE |
| QCQuad Cnty Corn Processors | Galva | — | ◐ LIKELY ACTIVE |
| RRRaining Rose INC | Cedar Rapids | 100–499 | ◐ LIKELY ACTIVE |
| RMReg Mason City | Mason City | 20–99 | ◐ LIKELY ACTIVE |
| SESiouxland Energy Cooperative | Sioux Center | 20–99 | ◐ LIKELY ACTIVE |
| SISouthwest Iowa Renewable Energy, LLC | Council Bluffs | 20–99 | ◐ LIKELY ACTIVE |
| TIThombert INC | Newton | 100–499 | ◐ LIKELY ACTIVE |
| VCValero - Charles City Ethanol Plant | Charles City | 20–99 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Co, LLC - Albert City | Albert City | 20–99 | ◐ LIKELY ACTIVE |
| BIBoehringer Ingelheim Vetmedica INC Riverside | Fort Dodge | 100–499 | ◐ LIKELY ACTIVE |
| IRIowa Renewable Energy LLC | Washington | 20–99 | ◐ LIKELY ACTIVE |
| PEPlymouth Energy LLC | Merrill | 20–99 | ◐ LIKELY ACTIVE |
| WIWestern Iowa Energy | Wall Lake | 20–99 | ◐ LIKELY ACTIVE |
| APAg Processing, INC. Algona Methyl Ester Processing | Algona | — | ◐ LIKELY ACTIVE |
| AUAirgas Usa, LLC - Ankeny, Ia | Ankeny | — | ◐ LIKELY ACTIVE |
| AHAjinomoto Health & Nutrition North America, INC. | Eddyville | 100–499 | ◐ LIKELY ACTIVE |
| BSBarton Solvents INC - Bettendorf Facility | Bettendorf | — | ◐ LIKELY ACTIVE |
| BCBayer Cropscience LLC | Muscatine | — | ◐ LIKELY ACTIVE |
| CICf Industries Nitrogen, LLC - Port Neal Complex | Sergeant Bluff | — | ◐ LIKELY ACTIVE |
| CMClimax Molybdenum Company | Fort Madison | — | ◐ LIKELY ACTIVE |
| DADiamond Animal Health a Subsidiary of Heska Corporation | Des Moines | — | ◐ LIKELY ACTIVE |
| EHEmbria Health Sciences LLC | Ankeny | 1–19 | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals | Clinton | — | ◐ LIKELY ACTIVE |
| GPGreen Plains Lakota, LLC | Lakota | — | ◐ LIKELY ACTIVE |
| PLPine Lake Corn Processors, LP | Steamboat Rock | — | ◐ LIKELY ACTIVE |
| SKSafety Kleen Systems INC | Des Moines | — | ◐ LIKELY ACTIVE |
| SUSiegwerk USA CO CORP Facility | Des Moines | 500+ | ◐ LIKELY ACTIVE |
| SBSumitomo Biorational Company | Osage | — | ◐ LIKELY ACTIVE |
| TSThe Scotts Co., Ortho Business Group | Fort Madison | — | ◐ LIKELY ACTIVE |
| VNVerbio Nevada Biorefinery | Nevada | — | ◐ LIKELY ACTIVE |
| ZLZoetis, LLC | Charles City | 500+ | ◐ LIKELY ACTIVE |
| AWAgroliquid - Williams | Williams | — | ◐ LIKELY ACTIVE |
| AIAlbaugh INC | Ankeny | 500+ | ◐ LIKELY ACTIVE |
| BUBecker Underwood INC | Ames | — | ◐ LIKELY ACTIVE |
| BIBoehringer Ingelheim Vetmedica, INC - 5th St | Fort Dodge | — | ◐ LIKELY ACTIVE |
| CCCambrex Charles City, INC | Charles City | — | ◐ LIKELY ACTIVE |
| CIChemtreat INC | Eldridge | — | ◐ LIKELY ACTIVE |
| DUDanisco US INC | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| DVDiamond Vogel Paint Company, INC. | Burlington | — | ◐ LIKELY ACTIVE |
| FDFt Dodge Animal Health INC | Charles City | — | ◐ LIKELY ACTIVE |
| HIHelena Industries | Des Moines | — | ◐ LIKELY ACTIVE |
| HBHero Bx Clinton | Clinton | — | ◐ LIKELY ACTIVE |