The U.S. Court of Appeals for the Eleventh Circuit heard arguments from auto-body repair shops claiming State Farm Insurance and a host of other national carriers conspired to fix prices.

Plaintiffs in the Orlando multidistrict litigation say the insurers agreed to drive down the prices they pay for repairs by agreeing among themselves on a preset “market rate” and enforcing compliance by steering their policyholders to businesses that play ball, effectively blackballing other shops.