Charles L. Thompson and associates is an architectural group that was established in Arkansas since the late 1800s. It is now known as Cromwell Architects Engineers, Inc.. This article is about Thompson and associates' work as part of one architectural group, and its predecessor and descendant firms, including under names Charles L. Thompson,Thompson & Harding,Sanders & Ginocchio, and Thompson, Sanders and Ginocchio.
The firm was the "most prolific architectural firm" practicing in Arkansas in the late 1800s and early 1900s, and produced more than 2,000 buildings. The architectural group used standard and custom designs that both led and evolved with changing architectural taste in Arkansas. The group built a wide range of types of works, including large public buildings, commercial buildings, mansions, and small houses. Many works by Thompson and the associated firms survive and are listed on the National Register of Historic Places.[1]