CTA Architects Engineers is an “all-in-one” architecture and engineering firm. Organized in 1938, CTA has grown to provide a variety of building services. In addition to architectural services, CTA provides mechanical, electrical, structural, and civil engineering, landscape architecture, interior design, and a range of specialized services in such areas as cost estimating, commissioning, code review, and roofing for its clients. The firm has offices in a number of locations throughout the United States and Canada.