Automakers
308 marques and groups. 186 have US model-year catalog rows (EPA, 1978–2027). Official links are labelled verified only when the site was actually retrieved.
308 in this list, shown a letter at a time.
I
- IM MotorsAutomaker
No catalog rows yet
Official siteverified 29 Sep 2026
- IMPERIALMarque
1 model family observed
No current official site verified.
1 model family observed
No current official site verified.
- Import Trade ServicesMarque
11 model families observed
No current official site verified.
- Ineos AutomotiveMarque
2 model families observed
Official siteverified 25 Sep 2026
- INEOS GrenadierAutomaker
No catalog rows yet
Official siteverified 29 Sep 2026
- InfinitiMarque
88 model families observed
Official siteverified 25 Sep 2026
- Innoson Vehicle ManufacturingAutomaker
No catalog rows yet
Official siteverified 29 Sep 2026
- INTERNATIONAL HARVESTERMarque
12 model families observed
No current official site verified.
- Isis Imports LtdMarque
1 model family observed
No current official site verified.
- IsuzuManufacturer group
41 model families observed
Official siteverified 25 Sep 2026