KSA is an industry leader, providing a broad range of engineering, architecture, planning, surveying, and construction management services. Founded in 1978, the firm has grown to approximately 140 employees located in multiple offices in the south central U.S. KSA has been named to the ENR Top 500 list as one of the 500 largest design firms in America. KSA was selected as a Zweig Group Hot Firm and Best Firms To Work For.