| HPDE TECH SHOPS (by Area Code) | ||
| Altered Speed | French Camp | 209-234-7890 |
| Import Automotive | Modesto | 209-526-6408 |
| Victoria Motors | Los Angeles | 310-821-0988 |
| Charlie’s Mustangs | San Jose | 408-463-0341 |
| Datatech Racing | Gilroy | 408-567-1795 |
| Vanderford Auto Repair | Gilroy | 408-848-1622 |
| Bugformance | San Jose | 408-926-8830 |
| GNJ Motorsports | Milpitas | 408-945-1900 |
| Rearend Specialties | Santa Clara | 408-988-3619 |
| Bill Arnold BMW | San Rafael | 415-459-2697 |
| S-Car-Go | San Rafael | 415-485-6026 |
| Artec Motorsports | San Francisco | 415-552-6922 |
| Wynn's Motors | San Francisco | 415-626-6936 |
| Silverstar Auto | San Francisco | 415-543-8781 |
| LIC Motorsports | Novato | 415-892-7400 |
| Corte Madera British Euro | Corte Madera | 415-924-1450 |
| Marin Motorsports | San Rafael | 415-927-4440 |
| Metric Motorsports | San Pablo | 510-724-9188 |
| Grifin Motorwerke | Berkeley | 510-524-7447 |
| Patti & Steve’s Auto | Albany | 510-526-3906 |
| Roger Kraus Racing | Castro Valley | 510-582-5031 |
| Precision Motive | Hayward | 510-886-0789 |
| REC Motorsports | Cameron Park | 530-672-7492 |
| Ground Control | Shingle Sprigs | 530-677-8600 |
| Tipton Honda | El Cajon | 619-440-1000 |
| Turner Motorsports | San Diego | 619-571-3811 |
| Devek, Inc. | Redwood City | 650-369-3383 |
| Gordon Pun | S. San Francisco | 650-588-9090 |
| Allen Sensier | S. San Francisco | 650-588-9090 |
| Franko Bilbaeno | S. San Francisco | 650-588-9090 |
| Modderman Service | Mtn. View | 650-967-3213 |
| Ellsworth Automotive | Mtn. View | 650-968-7884 |
| Northstar Auto | Mtn. View | 650-969-3134 |
| Sunshine Performance | Reno | 702-329-6100 |
| V-Mar Racing | Napa | 707-257-8627 |
| Corvette Express | Vacaville | 707-446-8595 |
| Robinson Motorsports | Sebastopol | 707-795-1174 |
| Racer’s Group | Sonoma | 707-935-3999 |
| Santini Paint & Body | Anaheim | 714-891-8895 |
| Alert Muffler & Brake | Reno | 775-826-1177 |
| Bavarian Autohaus | Reno | 775-825-6511 |
| Smith Volvo, Per Helldin | San Luis Obisbo | 805-543-0832 |
| TRE Motorsports | N. Hollywood. | 818-509-0257 |
| Hartzel Automotive | Monterey | 831-394-6002 |
| Russo's Collision Repair | Watsonville | 831-722-3552 |
| Apex Motorsports | San Diego | 858-751-0710 |
| Stuttgart Auto | Walnut | 909-595-1936 |
| Alfas & Subarau | Sacramento | 916.442.6409 |
| Valley Motorwerks | Rancho Cordova | 916-636-9526 |
| Edge Motorworks | Dublin | 925.479.0797 |
| South County Autosports | Mission Viejo | 949-460-7725 |