| 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- Iowa Falls, LLC | Iowa Falls | 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 |
| RRRaining Rose INC | Cedar Rapids | 100–499 | ◐ LIKELY ACTIVE |
| RMReg Mason City | Mason City | 20–99 | ◐ LIKELY ACTIVE |
| TAThe Andersons Denison Ethanol, LLC | Denison | 20–99 | ◐ LIKELY ACTIVE |
| TIThombert INC | Newton | 100–499 | ◐ LIKELY ACTIVE |
| VRValero Renewable Fuels Co, LLC - Albert City | Albert City | 20–99 | ◐ LIKELY ACTIVE |
| PBPoet Biorefining - Jewell LLC | Jewell | — | ◐ 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 |
| DVDiamond Vogel Paint Company, INC. | Burlington | — | ◐ LIKELY ACTIVE |
| EHEmbria Health Sciences LLC | Ankeny | 1–19 | ◐ LIKELY ACTIVE |
| ECEquistar Chemicals | Clinton | — | ◐ LIKELY ACTIVE |
| FDFt Dodge Animal Health INC | Charles City | — | ◐ 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 |
| SESiouxland Energy Cooperative | Sioux Center | 20–99 | ◐ LIKELY ACTIVE |
| SISouthwest Iowa Renewable Energy, LLC | Council Bluffs | 20–99 | ◐ LIKELY ACTIVE |
| SBSumitomo Biorational Company | Osage | — | ◐ LIKELY ACTIVE |
| TSThe Scotts Co., Ortho Business Group | Fort Madison | — | ◐ LIKELY ACTIVE |
| VNVerbio Nevada Biorefinery | Nevada | — | ◐ LIKELY ACTIVE |
Western Dubuque Biodiesel, LLC | Farley | — | ◐ LIKELY ACTIVE |
| ZLZoetis, LLC | Charles City | 500+ | ◐ LIKELY ACTIVE |
| AEAbsolute Energy LLC | St Ansgar | — | ◐ LIKELY ACTIVE |
| AWAgroliquid - Williams | Williams | — | ◐ 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 |
| CVCargill - Vitamin E | Eddyville | — | ◐ LIKELY ACTIVE |
| CIChemtreat INC | Eldridge | — | ◐ LIKELY ACTIVE |
| DUDanisco US INC | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| HIHelena Industries | Des Moines | — | ◐ LIKELY ACTIVE |
| HBHero Bx Clinton | Clinton | — | ◐ LIKELY ACTIVE |
| HCHydrite Chemical CO | Waterloo | — | ◐ LIKELY ACTIVE |
| IRIowa Renewable Energy LLC | Washington | — | ◐ LIKELY ACTIVE |
| IItwc | Malcom | — | ◐ LIKELY ACTIVE |
| KPKlinger Paint Company | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| OOmnium | Hampton | — | ◐ LIKELY ACTIVE |