| Company | City | WMI | |
|---|---|---|---|
| I Haul Trailers | Tallapoosa GA | 1XZ | |
| I-85 Trailer Manufacturers | Valley AL | 5A1 | |
| IAP, Inc. | Phillips WI | 1J9-104 | |
| Idaho Stove & Fabrication | Cottonwood IL | 1R9-131 | |
| Idaho Truck Specialties | Meridian ID | 1Z9-084 | |
| Ideal Quality Trailers, LLC | White Pigeon MI | 1Z9-085 | |
| Ilaug Products, Inc. | Montevideo MN | 1L9-074 | |
| IM Trailer Manufacturers, Inc. | Fontana CA | 1J9-279 | |
| Imperial Trailer Manufacturing & Sales | Olney IL | 1T9-372 | |
| Imperial Trailers | Oklahoma City OK | 1Z9-140 | |
| Impulse Manufacturing, Inc. | Cumming GA | 445 | |
| Independent Dispatch, Inc. | Portland OR | 1J9-278 | |
| Independent Trailer & Repair | Yakima WA | 1J9-100 | |
| Independent Trailer Manufacturing | Council Bluffs IA | 1Z9-010 | |
| Indiana Steel Products, Inc. | Bristol IN | 5B8 | |
| Indiana Trailer Manufacturing & Sales | Evansville IN | 1J9-062 | |
| Indicom Buildings, Inc. | Pomona CA | 1A9-047 | |
| Industrial Equipment | Lake Charles LA | 1E9-085 | |
| Industrial Equipment & Engineering, Inc. | Lake Charles LA | 1E9-850 | |
| Industrial Fabrication & Testing | Centralia WA | 1Z9-060 | |
| Industrial Innovations | 1S9-234 | ||
| Industrial Process Services | Lexington TN | 1Z9-152 | |
| Industrial Services Center, Inc. | Boyertown PA | 1J9-105 | |
| Industrial Studs, Inc. | Tulsa OK | 1Z9-013 | |
| Industrial Welding, Inc. | Reading CA | 1H9-091 | |
| Industrial Wheel Exchange, Inc. | Charlotte NC | 1Z9-097 | |
| Ingersoll Rand Company | Mocksville NC | 4FV | |
| Inlow Custom Trailers | Louisiana MO | 1H9-207 | |
| Innovative Enterprises | Santa Clara CA | 4L1 | |
| Innovative Trailers, Inc. | Texarkana TX | 1Z9-029 | |
| Integra Manufacturing, Inc. | Logan UT | 1Z9-006 | |
| Integrity Resources, Inc. | Willow Spring NC | 1Z9-162 | |
| Intermodal Container Systems | Houston TX | 1Z9-143 | |
| Intermountain Fiberglass | Salt Lake City UT | 1H9-105 | |
| International Equipment Mfg. Co. | Chanelview TX | 1Z9-075 | |
| International Lift Corporation | Jasper GA | 1L9-154 | |
| International Supply Company | Edelstein IL | 1Z9-096 | |
| International Supply Company, Inc. | Edelstein IL | 129-129 | |
| International Tank-Trailer, Inc. | Strasburg OH | 1T9-060 | |
| International Trailer Corporation | Bethel OH | 1ZF | |
| International Trailers, Inc. | Meyersdale PA | 1Z9-048 | |
| Interstate Manufacturing Company | Rupert ID | 1M9-041 | |
| Interstate Trailers | Longmont CO | 1Z9-104 | |
| Interstate West Corporation | Nampa ID | 4RA | |
| Invader Boats, Inc. | Giddings TX | 4BH | |
| Inventech Group, Inc. | Sacramento CA | 1G9-137 | |
| Irabak & Company | Harrington DE | 1A9-278 | |
| Irby Construction Company | Jackson MS | 1J9-047 | |
| Iron Man Welding | Medina NY | 1Z9-011 | |
| Iron Works Enterprises, Inc. | Atwater CA | 1A9-546 | |
| Ironhorse Manufacturing, Inc. | Beaumont TX | 5FV | |
| Ives Motors Corporation-Imc | Homestead FL | 1M9-111 |
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 1-9
 buses |
 cars |
 incomplete vehicles |
 low-speed vehicles |
 motor- cycles |
 multi- purpose vehicles |
 trailers |
 trucks |
 other vehicles |
