| BRBrightmark Rng Facility - Roorda | Paullina | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Van Ess | Sanborn | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CNCfs North America LLC | Urbandale | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CNCfs North America LLC | Urbandale | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CLChemorse, LTD. | Des Moines | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CIChs INC. | Council Bluffs | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| CCContinental Carbonic-denison | Denison | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CICryovac Inc, Sealed Air Corporation | Cedar Rapids | IA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| ELEco Lips, Inc. | Marion | IA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| EIE I Dupont De Nemours INC. | Ames | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| FIForza INC. | Council Bluffs | IA | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| GNGevo Nw Iowa Rng, LLC (rng Facility) | Doon | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| GHGrato Holdings | Woodbine | IA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| HCHyponex Corporation | Pacific Junction | IA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ICInland Coatings | Adel | IA | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| IDIntegrated Dna Technologies - 2812 Commerce Dr | Coralville | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IDIntegrated Dna Technologies INC | Coralville | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| IIIntervet INC Dba Merck Animal Health Building 1 | Ames | IA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| IIIntervet INC Dba Merck Animal Health - Building 4 | Ames | IA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| IIIntervet INC Dba Merck Animal Health - Research Barn | Ames | IA | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| IFIowa Fertilizer Company | Wever | IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| JDJBI Distributors LLC | Red Oak | IA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| KNKoch Nitrogen Company - Fort Dodge | Fort Dodge | IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| LILloyd INC. | Shenandoah | IA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MBMidland Bioproducts CORP | Boone | IA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| MKM & K Holdings, L.L.C. | Boone | IA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| PCPearl City Garage, INC. | Muscatine | IA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PRPermeate Refining, INC. | Hopkinton | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| QLQvest LLC | Tama | IA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| RRRaining Rose Properties, LLC | Cedar Rapids | IA | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| RTRiver Terminal CORP | Muscatine | IA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| SBSapp Bros Petroleum | Carter Lake | IA | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| TSTotal Source Molders, INC. | Reinbeck | IA | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| VDVan Diest Supply Company | Barnum | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| WTWaste to Fuel Energy Solutions, LLC | Hopkinton | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| WSWeber & Sons Button CO INC | Muscatine | IA | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| WLWeeks & Leo | Clive | IA | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
 Zanfel Laboratories INC | Clive | IA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
