GCThomas is your single source for quality finish construction materials in the greater San Diego area. As a multi-line sales agency, we represent several manufacturers, bringing a new simplicity to specifying finishes such as broadloom, carpet tile, rugs, luxury vinyl tile, woven vinyl, ceramic tile, porcelain floor and wall tile. We focus on specification, custom construction and design, primarily consulting with commercial architects, designers and facility managers in San Diego County.