| DMDes Moines Asphalt & Paving CO - North Plant | Johnston | IA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| DMDes Moines, City of | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DODfs Oskaloosa LLC - 2905 S 33rd | Oskaloosa | IA | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| DVDiamond V Mills INC - North Plant | Cedar Rapids | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DVDiamond Vogel Paints | Marshalltown | IA | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DIDico, INC. | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| DEDivine Engineering, INC. | Cedar Rapids | IA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| DIDodgen Industries, INC | Humboldt | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| DDonaldson | Grinnell | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DCDonaldson Company INC | Waterloo | IA | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| DEDonnellson Elevator CO. Donnellson | Donnellson | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| DADoran and Ward Printing CO Subsidiary of Pax Holdings LLC | Burlington | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DCDresser-rand CO | Burlington | IA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| DPDukes Properties | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EIEagle Iron Works | Des Moines | IA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| EWEagle Window & Door INC | Dubuque | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| EIEastern Iowa Tire INC | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| EEElastomer Engineering INC | Sioux City | IA | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| EPElectric Pump INC | Des Moines | IA | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| EWElectrimold & Western Power Products Div | Estherville | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| EHElectrolux Home Products | Webster City | IA | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| ECElkem Carbon - Keokuk | Keokuk | IA | Electrical Equipment, Appliance & Component Manufacturing335991 | — | ◇ UNVERIFIED |
| EFEmpire Foundry Production & Reclaim | Waterloo | IA | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| EPEnergy Panel Structures INC | Graettinger | IA | Wood Product Manufacturing321992 | — | ◇ UNVERIFIED |
| ESEngineering Services & Products | Dyersville | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| EBEnnis Business Forms INC | De Witt | IA | Paper Manufacturing322230 | — | ◇ UNVERIFIED |
| EBEquipment Brokers INC | Audubon | IA | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| EPEvergreen Packaging Equipment | Cedar Rapids | IA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| EIEz-liner INC | Hull | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| FPFair Play Scoreboards | Des Moines | IA | Computer and Electronic Product Manufacturing334518 | — | ◇ UNVERIFIED |
| FWFansteel Washington Manufacturing | Washington | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| FCFarmers Cooperative Feed Mill - Arcadia | Arcadia | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| FEFarmers Elevator Cooperative - Rock Valley Nh3 | Rock Valley | IA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| FFFarmland Foods Incorporated | Carroll | IA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| FIFarmland Industries INC Feed Mill Maquoketa | Maquoketa | IA | Food Manufacturing311000 | — | ◇ UNVERIFIED |
| FIFeatherlite INC - Shenandoah Operation - Former Site of | Shenandoah | IA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| FMFeatherlite Mfg Inc-cresco-plant #2 | Cresco | IA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| FEFeed Energy Company - Des Moines | Des Moines | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| FIFinishbinders INC | Des Moines | IA | Printing and Related Support Activities323121 | — | ◇ UNVERIFIED |
| FCFisher Controls International LLC (main Office) | Marshalltown | IA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| FHFlint Hills Resources - Davenport | Davenport | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| FHFlint Hills Resources Lp, Algona, Ia | Algona | IA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| FHFlint Hills Resources Menlo, LLC | Menlo | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| FCFlynn CO | Iowa | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FCFlynn CO INC - Dubuque | Dubuque | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Cedar Rapids | Cedar Rapids | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FPFrytown Properties, LLC | Kalona | IA | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| GPGarner Publishing Company | Des Moines | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| GCGarrett Corporation Dba Delta Industries | Reinbeck | IA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| GAGcc Alliance Concrete Inc-akron | Akron | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
