Locations Electra-Sound Cleveland (Headquarters) Techni-Car Tampa (Headquarters) 5260 Commerce Pkwy. West Parma, OH 44130 Phone: (216) 433-9606 or (800) 262-9606 450 Commerce Blvd. Oldsmar, FL 34677 Phone: (813) 855-0022 or (800) 886-0022 Techni-Car Venice 300 Seaboard Ave., Unit B Venice, FL 34285 Phone: (941) 483-4415 or (800) 227-9277