With a rich history spanning 125 years of continuous operation , we provide integrated services and products, performed or produced by employees who are committed to client satisfaction, and are experienced in employing innovative technology to solve difficult problems.
April 4th, 2013 - Sewall Hires Lee Freeman as Vice President, Global Business Development
January 15th, 2013 - Sewall and RC&A Sign Teaming Agreement for Aerial Imagery and LiDAR
December 17th, 2012 - Rockland County Uses Sewall GIS Tool to Streamline Response to Sandy
March 15th, 2012 - David T. Edson, LPF, Takes Reins as Sewall President/CEO