| AEAda Enterprises INC | Northwood | IA | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◇ UNVERIFIED |
| RDRubber Development INC | Waverly | IA | Plastics and Rubber Products Manufacturing326299 | 1-19 | ◇ UNVERIFIED |
| BOByron Originals | Ida Grove | IA | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| CDClinton Decoy | Clinton | IA | Plastics and Rubber Products Manufacturing326150 | 1-19 | ◇ UNVERIFIED |
| AFA-1 Fiberglass | Montezuma | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ACAdvanced Component Technologies Incorporated | Northwood | IA | Plastics and Rubber Products Manufacturing326140 | — | ◇ UNVERIFIED |
| AAAeron Advanced Manufacturing, L.l.c. | Mason City | IA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| BBBauer Built INC | Des Moines | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| BABridgestone Americas Tire Operations | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| CMCedar Manufacturing (maxx Midwest) | Marion | IA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| CSCfi Sales INC | Des Moines | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| DIDico, INC. | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| DIDodgen Industries, INC | Humboldt | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ 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 |
| EWElectrimold & Western Power Products Div | Estherville | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HIHayfield Industries | Hayfield | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| HIHbf Investments, LLC | Humboldt (historical) | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| HPHome Plastics INC | Des Moines | IA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| IIIac Iowa City, LLC | Iowa City | IA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| ICIndustrial Container Services LLC | Webster City | IA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| JEJm Eagle | Wilton | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| KEKay Enterprises INC | Janesville | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MDMaster Dowel | Ankeny | IA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| MCMi Conveyance Solutions Group-apache Division-ia38 | Cedar Rapids | IA | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| MMMidland Manufacturing Company, INC. | Monroe | IA | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◇ UNVERIFIED |
| MMMonarch Manufacturing CO | Adel | IA | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| NGNorthern Gravel CO | Muscatine | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| OCOrbis Corporation | Manchester | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PPPretium Pkg | Muscatine | IA | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| PIPrinsco, INC. | Jesup | IA | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| RPRevere Plastics Systems, LLC | Ankeny | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TPTrajet Products INC | Glenwood | IA | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC - Hampton | Hampton | IA | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| 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 |
