| Air Filters | |||
| # | Company Name | City | State |
| 1 | Evergreen Performance | Scottsdale | AZ |
| 2 | FRAM | ||
| 3 | Hartman Enterprises | Williamston | SC |
| 4 | K & N Engineering, Inc. | Riverside | CA |
| 5 | Kinser Air Filters | Solsbury | IN |
| 6 | Outerwears Racing Accessories | Schoolcraft | MI |
| 7 | RTEC Auto Accessories | Plano | TX |
| 8 | S & B Performance Filters & Intake Kits | ||
| 9 | Uni Air Filter | Fullerton | CA |
