High Quality Content by WIKIPEDIA articles! Charles L. Thompson and associates is an architectural group that has worked in Arkansas since the late 1800s and continues to this day, now as Cromwell Architects Engineers, Inc.. This article is about Thompson`s and associates work as part of one architectural group and its predecessor and descendent firms, including under names Charles L. Thompson, Thompson & Harding, Sanders & Ginocchio, and Thompson, Sanders and Ginocchio.