State Farm and Farmers Insurance Group of Companies have the highest wildfire exposure in California where the Camp Fire and the Woolsey Fire are set to cause significant losses for insurers and reinsurers. State Farm has a market share of 11.7 percent in California and Farmers Insurance holds 11.5 percent, according to a KBW analyst note. Liberty Mutual holds 6.2 percent while Allstate Corporation has 5.4 percent market share, followed by Auto Club Exchange (5.3 percent) and CSAA Insurance Exchange (5.3 percent).