Were you able to find the right 3 Providers within california-regions ? If you're also a provider of california-regions and you're not featured in the business directory yet, you can always Add an entry for free.
The results list for california-regions in San Francisco. You can find the best california-regions vendors and providers in San Francisco in the San Francisco Business Directory. Currently there are 3 companies registered in the San Francisco business directory under california-regions.