| PEPlymouth Energy LLC | Merrill | — | ◐ LIKELY ACTIVE |
| PBPoet Biorefining-coon Rapids | Coon Rapids | — | ◐ LIKELY ACTIVE |
| PBPoet Biorefining - Menlo | Menlo | — | ◐ LIKELY ACTIVE |
| QLQuad/greenfield LLC | Greenfield | — | ◐ LIKELY ACTIVE |
| RNReg Newton, LLC | Newton | — | ◐ LIKELY ACTIVE |
| SCSafety-kleen CORP INC - Davenport Facility | Davenport | — | ◐ LIKELY ACTIVE |
| STSpartech Townsend | Pleasant Hill | — | ◐ LIKELY ACTIVE |
| TAThe Andersons - Sergeant Bluff Facility | Sergeant Bluff | — | ◐ LIKELY ACTIVE |
| TIThombert INC - Brooklyn | Brooklyn | — | ◐ LIKELY ACTIVE |
| TSTwin State INC | Hampton | — | ◐ LIKELY ACTIVE |
| VFValero Fort Dodge Ethanol | Fort Dodge | — | ◐ LIKELY ACTIVE |
| VPVogel Paint & Wax CO INC | Orange City | — | ◐ LIKELY ACTIVE |
| WIWestern Iowa Energy | Wall Lake | — | ◐ LIKELY ACTIVE |
| WCW2fuel - Crawfordsville Facility | Crawfordsville | — | ◇ UNVERIFIED |
| CMContinental Manufacturing Chemist INC | Madrid | — | ◇ UNVERIFIED |
| AHAjinomoto Health and Nutrition North America, INC. | Eddyville | 100–499 | ◐ LIKELY ACTIVE |
| CLClysar, LLC | Camanche | 100–499 | ◐ LIKELY ACTIVE |
| CCContinental Carbonic Products, INC. | Denison | — | ◐ LIKELY ACTIVE |
| CMContinental Manufacturing Chemist, Inc. | Huxley | — | ◐ LIKELY ACTIVE |
| DVDiamond Vogel South Warehouse | Orange City | — | ◐ LIKELY ACTIVE |
| GTGlycerin Traders LLC Keokuk | Keokuk | — | ◐ LIKELY ACTIVE |
| GMGreystone Manufacturing LLC. | Bettendorf | 100–499 | ◐ LIKELY ACTIVE |
| LFLinde - Fort Dodge, Ia | Duncombe | — | ◐ LIKELY ACTIVE |
| MIMuscatine, IA | Muscatine | 100–499 | ◐ LIKELY ACTIVE |
| NHNew Heaven Chemicals, INC. | Manly | — | ◐ LIKELY ACTIVE |
| PLPlcp Lllp | Steamboat Rock | — | ◐ LIKELY ACTIVE |
| QLQore, LLC | Eddyville | 20–99 | ◐ LIKELY ACTIVE |
| RPRiley Paint Company | Burlington | 1–19 | ◐ LIKELY ACTIVE |
| RDRousselot Dubuque INC. | Dubuque | 20–99 | ◐ LIKELY ACTIVE |
| SUSiegwerk USA CO CORP Facility | Des Moines | — | ◐ LIKELY ACTIVE |
| SLSolenis LLC / Plum Rose | Council Bluffs | — | ◐ LIKELY ACTIVE |
| ZLZoetis LLC | Charles City | 500+ | ◐ LIKELY ACTIVE |
| ALAir Liquide Industrial | Galva | — | ◐ LIKELY ACTIVE |
| ATA to Z Drying Inc-north & South Plants | Osage | — | ◐ LIKELY ACTIVE |
| ACAura Cacia a Division of Frontier Distribution LLC | Urbana | — | ◐ LIKELY ACTIVE |
| DCDcw Casing LLC | Oelwein | — | ◐ LIKELY ACTIVE |
| GTGlycerin Traders | Keokuk | — | ◐ LIKELY ACTIVE |
| GGGolden Grain Energy, LLC | Mason City | — | ◐ LIKELY ACTIVE |
| ICInland Coatings CORP | Adel | — | ◐ LIKELY ACTIVE |
| ICInland Coatings Holdings LLC | Adel | — | ◐ LIKELY ACTIVE |
| IFInnocor Foam Technologies (formerly Advanced Urethane Technologies) | Dubuque | — | ◐ LIKELY ACTIVE |
| IDIntegrated Dna Technologies | Coralville | — | ◐ LIKELY ACTIVE |
| JMJohnson Manufacturing Company | Princeton | — | ◐ LIKELY ACTIVE |
| JPJrs Pharma LP | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| LCLandus Cooperative | Ralston | — | ◐ LIKELY ACTIVE |
| NSNa-churs/alpine Solutions | Red Oak | — | ◐ LIKELY ACTIVE |
| NSNippon Sanso Matheson INC | Grimes | — | ◐ LIKELY ACTIVE |
| PIPlasti-paint INC | Dewitt | — | ◐ LIKELY ACTIVE |
| SUSiegwerk USA CO | Des Moines | — | ◐ LIKELY ACTIVE |
| SESiouxland Energy & Livestock Coop | Sioux Center | — | ◐ LIKELY ACTIVE |