Founded in 1985, Shaffer, Wilson, Sarver & Gray, P.C. (SWSG) is a full services design and construction management firm providing services to both public and private sector organizations. All architectural, engineering and construction management services are provided from our own in-house professional staff. SWSG offers traditional architectural, engineering and construction administration services regionally to both public and private sectors. Nationally and internationally we specialize in the design-build of mission critical  facilities.