| YTYokohama TWS | Charles City | IA | Plastics and Rubber Products Manufacturing326211 | 100-499 | ◐ LIKELY ACTIVE |
| BIBeraTek Industries LLC | Cedar Rapids | IA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| DPDecker Plastics INC | Council Bluffs | IA | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◇ UNVERIFIED |
| ECEndorf's Creative Countertops INC. | Davenport | IA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| HEHardy Enterprises, LLC | Independence | IA | Plastics and Rubber Products Manufacturing326111 | 1-19 | ◇ UNVERIFIED |
| RPRiverside Plastics | Bonaparte | IA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| ADAdvanced Drainage System | Oelwein | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| ADAdvanced Drainage System Hancor, INC. | Oelwein | IA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| AMAssociated Materials Incorporated | Cedar Rapids | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BPBerry Plastics Corporation | Bettendorf | IA | Plastics and Rubber Products Manufacturing326111 | — | ◇ UNVERIFIED |
| BABridgestone Americas Tire Operations, LLC | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BBBridgestone Bandag LLC | Muscatine | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BABridgestone/firestone Agricultural Tire Div. | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| CTCfi Tire | Des Moines | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| CICryovac Inc, Sealed Air Corporation | Cedar Rapids | IA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| DDDave Dekok INC | Archer | IA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| GRGraham Retread Company | Spencer | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| IAInternational Automotive Components | Iowa City | IA | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
 Iowa Rotocast Plastics, INC. | Decorah | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| JWJeld Wen Windows | Grinnell | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| LILaddawn, INC. | Manchester | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| LCLee Container Iowa, LLC | Centerville | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| LSLil' Sidekick Inc | Polk City | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MManpower | Decorah | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MTMitas Tires North America INC | Charles City | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| PAProfol Americas | Cedar Rapids | IA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| PIPurethane, INC | West Branch | IA | Plastics and Rubber Products Manufacturing326100 | — | ◇ UNVERIFIED |
| RTResin Technologies INC | Carroll | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| RBRiver Bend Injection Molding, LLC | Victor | IA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| RHRyco Hydraulics | Pella | IA | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| TDTimewell Drainage Products & Services | Sibley | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| TITpi Iowa LLC - Former Site of | Newton | IA | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| UMUSA Mold INC. | Newton | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| WPWaverly Plastics Company, INC. | Waverly | IA | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
