| AMAuto-jet Muffler Corporation | Clive | — | ◇ UNVERIFIED |
| AOAWOL Outdoors, Inc. | Albia | — | ◇ UNVERIFIED |
| AOAWOL Outdoors, Inc. | Albia | — | ◇ UNVERIFIED |
| BFBrand Fx Fiber Bodys | Pocahontas | — | ◇ UNVERIFIED |
| CCamp365 | Albia | — | ◇ UNVERIFIED |
| CEChassis Engineering INC. | West Branch | — | ◇ UNVERIFIED |
| CCobham | Davenport | — | ◇ UNVERIFIED |
| CCvg/mwc | Monona | — | ◇ UNVERIFIED |
| CMCvg/ Mwc Edgewood | Edgewood | — | ◇ UNVERIFIED |
| DIDieomatic INC. | Williamsburg | — | ◇ UNVERIFIED |
| DIDodgen Industries, INC. | Humboldt | — | ◇ UNVERIFIED |
| GLGkn Land Systems | Estherville | — | ◇ UNVERIFIED |
| HHH & H Fabrications | De Witt | — | ◇ UNVERIFIED |
| HHH & H Trailers | Clarinda | — | ◇ UNVERIFIED |
| HTH&h Trailers - Novae LLC | Red Oak | — | ◇ UNVERIFIED |
| HCHni Corporation - North Campus | Muscatine | — | ◇ UNVERIFIED |
| HTHull Trailers INC. | Braddyville | — | ◇ UNVERIFIED |
| ILInnovative Lighting, INC. | Roland | — | ◇ UNVERIFIED |
| IMIowa Mold Tooling Company INC | Garner | — | ◇ UNVERIFIED |
| JMJa Max Machine CO. INC. | Roland | — | ◇ UNVERIFIED |
| JWJ & W Trailer Sales LLC | Johnston | — | ◇ UNVERIFIED |
| KPK2W Precision, Inc | Orange City | — | ◇ UNVERIFIED |
| KFKensett Fabricators INC | Kensett | — | ◇ UNVERIFIED |
| KCKevcon Corporation | Fort Dodge | — | ◇ UNVERIFIED |
| KSKyle&Taylor Smith | Alta Vista | — | ◇ UNVERIFIED |
| LSLake Shore Tram INC. | Rowan | — | ◇ UNVERIFIED |
| MFMcintire Fabricators INC | Mc Intire | — | ◇ UNVERIFIED |
| MJM & J Trailers Unltd INC - Former Site of | Elma | — | ◇ UNVERIFIED |
| OEOskaloosa Engineering & Manufacturing Company | Oskaloosa | — | ◇ UNVERIFIED |
| PSProp Shop, Inc. | Cedar Falls | — | ◇ UNVERIFIED |
| RMReading Midwest Distribution LLC | Council Bluffs | — | ◇ UNVERIFIED |
| RPRebuilders Parts Warehouse INC. | Indianola | — | ◇ UNVERIFIED |
| RLRelco Locomotives Incorporated | Albia | — | ◇ UNVERIFIED |
| RERIM Enterprises LLC | Cedar Rapids | — | ◇ UNVERIFIED |
| SMScranton Manufacturing | Carroll | — | ◇ UNVERIFIED |
| SESunflower Enterprises, L.l.c. | Dubuque | — | ◇ UNVERIFIED |
| TMTraer Manufacturing, INC. | Traer | — | ◇ UNVERIFIED |
| UTUniversal Trailer CORP | Cresco | — | ◇ UNVERIFIED |
| WIWinnebago Industries INC | Hampton | — | ◇ UNVERIFIED |
| WIWinnebago Industries, INC. | Forest City | — | ◇ UNVERIFIED |
| ZTZimmerman Trailers Zimmerman Auto LLC | Cantril | — | ◇ UNVERIFIED |
