| Automotive Manufacturer | |||
| # | Company Name | City | State |
| 1 | Acura | ||
| 2 | Audi | ||
| 3 | BMW North America | Woodcliff Lake | NJ |
| 4 | Cadillac | ||
| 5 | Chevrolet | Detroit | MI |
| 6 | Chrysler | ||
| 7 | Dodge | ||
| 8 | Ford Motor Company | Dearborn | MI |
| 9 | GMC Customer Assistance Center | Detroit | MI |
| 10 | Hyundai | ||
| 11 | Infiniti | ||
| 12 | Isuzu | ||
| 13 | Jeep | ||
| 14 | Lexus | ||
| 15 | Mazda | ||
| 16 | Nissan | ||
| 17 | Oldsmobile | ||
| 18 | Pontiac | ||
| 19 | Porsche | ||
| 20 | Saturn | Spring Hill | TN |
| 21 | Subaru | ||
| 22 | Toyota | ||
| 23 | Volkswagon |
