It all began around a campfire in 1938. Ralph Cushing, a structural engineer and Everett Terrell, an architect, decided to leave their present employers and begin a partnership of their own. CTA completes more than 500 architectural and engineering projects annually. The company services the educational, financial, government, health care, home, ranch, resort, industrial, retail and commercial and sport markets. CTA offers architectural, civil, electrical, energy, mechanical and structural engineering, graphic and multimedia design, interior design and space planning, landscape architecture, structural steel detailing and sustainable design services. In addition, CTA has a partnering forum, which is used to exchange files, floor plans, updates and information between employees, clients and contractors. CTA has locations throughout the United States.