Service area
We test at customer locations across Northern California. If your trucks are somewhere else, ask. We'll tell you whether we can reach you.
Where we test
- Sacramento
- Stockton
- Modesto
- Oakland
- San Jose
- Fremont
- Hayward
- Richmond
- Vallejo
- Concord
- Fairfield
- Vacaville
A travel fee may apply for locations more than 100 miles away. Include your city or ZIP when you request testing and we'll confirm before scheduling.