About TGCC Whether you are looking for a professional interior designer in the Houston area or seeking information on interior design styles and trends, the American Society of Interior Designers ( ASID ) can help. Our ASID Texas Gulf Coast Chapter provides valuable resources to the public for locating local interior designers ; in addition, if you own an interior design company, our membership services can help you grow your business. The Texas Gulf Coast Chapter of the American Society of Interior Designers is dedicated to promoting design excellence, serving its members and the public, demonstrating the value of the profession, and strengthening the partnership with industry and related professions.