| BGBaumgartner Gate Factory INC | Manchester | IA | Machinery Manufacturing333111 | 1-19 | ◇ UNVERIFIED |
| FEFawn Engineering | Des Moines | IA | Machinery Manufacturing333311 | 1-19 | ◇ UNVERIFIED |
| FEFoundry Equipment CO | Solon | IA | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| HEHy-capacity Eng & Mfg, INC | Humboldt | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| KMKnoxville Mfg LLC | Knoxville | IA | Machinery Manufacturing333120 | 1-19 | ◇ UNVERIFIED |
| MTMagneta Trailers | Hull | IA | Machinery Manufacturing333111 | 1-19 | ◇ UNVERIFIED |
| MMMarting Mfg INC | Britt | IA | Machinery Manufacturing333111 | 1-19 | ◇ UNVERIFIED |
| MMMedalist Manufacturing INC | Pella | IA | Machinery Manufacturing333999 | 20-99 | ◇ UNVERIFIED |
| QPQuality Plus Manufacturing INC | Oelwein | IA | Machinery Manufacturing333111 | 20-99 | ◇ UNVERIFIED |
| RLRome LTD | Sheldon | IA | Machinery Manufacturing333294 | 20-99 | ◇ UNVERIFIED |
| VGVan Gorp CORP | Pella | IA | Machinery Manufacturing333613 | 20-99 | ◇ UNVERIFIED |
| AGAsh Grove Cement CO | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| AMAtwood Mobile Products, LLC | West Union | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BFBazooka Farmstar INC | Washington | IA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| BFBazooka Farmstar INC. | Washington | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BCBlack Cat Blades - Wear Parts | De Witt | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CVCedar Valley CORP LLC | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CMC.j. Moyna and Sons, INC. | Elkader | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CRCti Ready Mix | Johnston | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CCCummins Central Power | Ankeny | IA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| CFCummins Filtration | Lake Mills | IA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| DMDes Moines, City of | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| DEDivine Engineering, INC. | Cedar Rapids | IA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| DDonaldson | Grinnell | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DCDresser-rand CO | Burlington | IA | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| EHElectrolux Home Products | Webster City | IA | Machinery Manufacturing333312 | — | ◇ 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 |
| FWFansteel Washington Manufacturing | Washington | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| HMHallett Materials | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| HLHawkeye Leisure Trailers, LTD | Humboldt | IA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| HMHeadco Machine Works | Keokuk | IA | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| HIHolcim (us) INC | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| HTH T C INC | Milford | IA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| HFHykes Furniture Services | Ankeny | IA | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| IIInsta-pro International - Former Site of | Urbandale | IA | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| IEIowa Engineered Processes | Independence | IA | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| JEJancy Engineering Company | Davenport | IA | Machinery Manufacturing333991 | — | ◇ UNVERIFIED |
| JHJim Hawk Truck Trailers INC | Council Bluffs | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| KIKiewit Infrastructure CO. | Pacific Junction | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| KRKnife River | Polk County | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MIManatts INC | West Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MIManatts INC | Johnston | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| MHM H Eby INC | Story City | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| MMMidstate Machine | Des Moines | IA | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| NPNorthstar Power, LLC | Ankeny | IA | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| NRNorwalk Ready Mix | Grimes | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| RMRiinker Materials | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| RMRosenboom Machine & Tool, INC. | Spirit Lake | IA | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
