The three missing Volkswagen mini buses, painted bright orange for cheesemaker Tillamook, have been found.
The buses were recovered in a newly rented storage unit in the town of Copperopolis, in Calaveras County.
Officers did not give identifying details of the suspects, but said they have several outstanding suspects in this case they want to talk to.
Each bright orange bus is valued at $100,000 and were not damaged during the theft.
A tractor-trailer used to transport the buses was found burning Saturday in rural Tuolumne county, it was stolen early Saturday morning from a hotel in Manteca. The truck and trailer were damaged by fire.
Collin Poseley contributed to this report.