Barge Waggoner Sumner & Cannon, Inc. is a professional services firm with nine offices spread across the eastern half of the U.S. A true multidiscipline design firm, the company offers engineering (civil, structural, environmental, transportation, aviation, mechanical and electrical), architecture, planning, landscape architecture and surveying. In business since 1955, the company has been employee-owned since 1970. BWSC is consistently ranked on ENR's list of the top 500 engineering companies.