| BRBig River Resources | West Burlington | 20–99 | ● ACTIVE |
| CICargill, INC. - Fort Dodge | Fort Dodge | 100–499 | ● ACTIVE |
| CLCorn, LP | Goldfield | 20–99 | ● ACTIVE |
| ECEddyville Chlor-alkali LLC | Eddyville | 20–99 | ● ACTIVE |
| EOElite Octane, LLC | Atlantic | 20–99 | ● ACTIVE |
| HCHach Company | Ames | 100–499 | ● ACTIVE |
| HEHomeland Energy Solutions, LLC | Lawler | 20–99 | ● ACTIVE |
Integrated Dna Technologies, INC. | Coralville | — | ● ACTIVE |
| LELincolnway Energy LLC | Nevada | 20–99 | ● ACTIVE |
| LSLittle Sioux Corn Processors, LLC | Marcus | 20–99 | ● ACTIVE |
| LMLomont Molding Incorporated | Mount Pleasant | 100–499 | ● ACTIVE |
| PBPoet Biorefining- Arthur, LLC | Arthur | 20–99 | ● ACTIVE |
| PBPoet Biorefining - Corning, LLC | Corning | 20–99 | ● ACTIVE |
| PBPoet Biorefining - Emmetsburg | Emmetsburg | 20–99 | ● ACTIVE |
| PBPoet Biorefining Fairbank LLC | Fairbank | 500+ | ● ACTIVE |
| PBPoet Biorefining - Gowrie | Gowrie | 20–99 | ● ACTIVE |
| PBPoet Biorefining - Hanlontown LLC | Hanlontown | 20–99 | ● ACTIVE |
| QCQuad Cnty Corn Processors | Galva | — | ● ACTIVE |
United States Gypsum CO - Fort Dodge | Fort Dodge | 100–499 | ● ACTIVE |
| VCValero - Charles City Ethanol Plant | Charles City | 20–99 | ● ACTIVE |
| VRValero Renewable Fuels Co, LLC - Hartley | Hartley | 20–99 | ● ACTIVE |
Van Diest Supply Company | Webster City | — | ● ACTIVE |
Adhesive Compounders, INC. | Des Moines | — | ● ACTIVE |
| GVGreen Valley Chemical CORP | Creston | 20–99 | ● ACTIVE |
| JMJohnson Manufacturing Company, INC | Princeton | 20–99 | ● ACTIVE |
Ossian INC | Davenport | — | ● ACTIVE |
Peisch, INC | Bettendorf | — | ● ACTIVE |
Reg Synthetic Fuels, LLC | Ames | — | ● ACTIVE |
B4 Ventures, L.l.c. | Lisbon | — | ● ACTIVE |
Cw Alltech INC | Council Bluffs | — | ● ACTIVE |
Diamond Vogel, INC. | Orange City | — | ● ACTIVE |
General Atomics International Services CORP | Fort Madison | — | ● ACTIVE |
Genvax Technologies INC | Ames | — | ● ACTIVE |
Immuno Nano Med, INC | Ames | — | ● ACTIVE |
Mbma Corporation | West Des Moines | — | ● ACTIVE |
Natural Fertilizer Products, INC. | Woodbine | — | ● ACTIVE |
Natureferm Corporation | Waukon | — | ● ACTIVE |
Soylei Innovations, LLC | Ames | — | ● ACTIVE |
Spiber America LLC | Clinton | — | ● ACTIVE |
Vemtowa, LLC | West Des Moines | — | ● ACTIVE |
| ATA to Z Drying INC | Osage | 100–499 | ◐ LIKELY ACTIVE |
| BRBig River United Energy, LLC | Dyersville | 20–99 | ◐ LIKELY ACTIVE |
| CColorbiotics | Ames | 20–99 | ◐ LIKELY ACTIVE |
| DSDupont Specialty Products USA LLC - Fort Madison | Fort Madison | 20–99 | ◐ LIKELY ACTIVE |
| GPGreen Plains Ethanol Storage, LLC (gp Shenandoah) | 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 - Ashton LLC | Ashton | 20–99 | ◐ LIKELY ACTIVE |