Thompson-Liston Associates, Inc. is a privately held corporation, with Andrew B. Liston serving as president, his wife, Stephanie B. Liston as treasurer. The firm is dedicated to providing outstanding service to its clients. Andrew B. Liston represents the fourth generation of the family to be involved with the firm. He is registered in Massachusetts and Connecticut as a Professional Civil Engineer (PE), and in Massachusetts as a Professional Land Surveyor (PLS).