California Code, Health and Safety Code - HSC § 12572

A wholesaler's license allows the sale and transportation of all types of fireworks to licensed retailers, or retailers operating under a permit, licensed public display operators, and other licensed wholesalers in California only and sale to special effects pyrotechnic operators holding a valid permit and sale of exempt fireworks to those industrial and commercial concerns that possess a valid permit from the local agency having jurisdiction in the area where such fireworks are to be used or stored.