The association reported that business is down an average of 12%, reported WESH-TV.
"People out there are really showing their anger," FPMA CEO Jim Smith told the media outlet. "They don't like how this cleanup is going, and they blame BP."
The FPMA predicted that business will return to normal at BP stations when the oil leak on the ocean floor is capped and the spill is mostly cleaned up.
BP does not own or operate any of the Florida stations, said WESH.
A BP station is one of the very first businesses drivers see when coming onto Sanibel Island in Florida, said a separate report by WZVN-TV. "For people who live here we know it's an islander-owned business, a franchise and a community member. But for a first-time visitor to the island, the image is quite an eye opener and raises an eyebrow or two," Sharon Mitchie, owner of a nearby business, told the media outlet.
Sanibel BP manager Scott Moessner added that said his business "shouldn't be confused with BP. We're just a local business trying to survive."
Drivers are not boycotting the Sanibel BP, the report said. In light of all the protests, Sanibel businesses are fighting back with a counter-protest, saying "if you're going to fill up, do it at the Sanibel BP."
Supporters are sending emails and filling fleets of vehicles with the station's fuel.
A new Facebook page called Gas for Gulf is pushing for gas station owners to contribute some of their profits toward the cleanup, said WESH. In return, there would be a visible campaign to promote, with signs, the stations that give to the effort, thereby giving motorists a clear invitation to buy fuel at those stations.
A recent survey by Gas for Gulf claimed that 81% of people would go two to three minutes out of their way to buy gasoline at stations financially supporting the cleanup effort.
Meanwhile, Washington-area BP station owner Shahzad Aslam told WJLA-TV that he has seen about a 40% reduction in his gasoline sales. He said that he has been forced to add signs reminding customers that his station, along with all local BPs, are privately owned.
And Nrupesh Desai owns and operates seven BP stations in the suburbs of Chicago. He told The Daily Herald that his stations have lost up to 30% of revenues compared to a year ago, as consumers boycott anything related to BP.
"If this trend continues, I will be out of business by the end of the year," said Desai.
Desai has teamed up with Bob Juckniess of Hinsdale, president of RWJ Management, which owns 10 BP stations. Juckniess said he has lost about 20% in revenue since the oil spill.
The men are talking with other BP station owners to encourage them to raise money to help people along the Gulf, or go in person to help clean up some of the damage, if BP will pay for travel and lodging. Juckniess said he has contacted BP's corporate office to get support for the venture, but has not heard back yet.
A BP spokesperson was not immediately available for a comment, said the newspaper.
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