Clancy & Theys Construction Company is a general contractor and construction manager. The company builds commercial, industrial and institutional buildings. It specializes in team approaches to design and construction. Clancy & Theys was founded in Raleigh, N.C., in 1949 by E.I. Clancy and John Theys. The company started out building homes during the post-war housing boom, but switched to commercial construction in the 1950s. It completed public projects for schools, colleges and universities. Private sector opportunities in North Carolina s Research Triangle area led to specialties in the construction of offices and research and development facilities.