t SEMA headquarters in Diamond Bar, California, pen-and-ink portraits line second-floor halls, the sketches honoring the entrepreneur enthusiasts who have played crucial roles in the success of both the association and the industry it serves. They are the leaders, innovators and creators, the enthusiasts who transformed small, burgeoning businesses into an industry worth more than 30 billion annually with 6,537 SEMA member companies. They comprise the SEMA Hall of Fame and epitomize the essence of ingenuity in action.