(listed alphabetically):
Austin Area Car Club
Big Spring Region AACA
Central Texas Region AACA
Ft. Worth Model A Ford Club
Golden Crescent Region AACA
Greater Houston Old Car Club
Greater Houston Model A Ford Club
Gulf Coast Region AACA
Heart of Texas Region HCCA
Houston Early Ford V-8 Club
Lone Star Model T Ford Club
North Texas Region Cadillac - LaSalle Club
North Texas Region HCCA
Northeast Texas Region AACA
Tex-Ark Antique Auto Club
Texas Region AACA
West Texas Region AACA

AACA - refers to the Antique Automobile Club of America
HCCA - refers to the Horseless Carriage Club of America