This firm has a wide range of services; it has great client support, and it is very timely. Mr. Gustafson has teamed with engineering firms and specialized architectural firms to provide a full complement of services to meet his clients? needs. In 2005, Gustafson & Associates, Architects, Inc. was formed when he joined forces with Thrasher Engineering, Thrasher Environmental, Pentree, Inc. and The Berkeley Associates through the acquisition of his firm by Resource Engineering Group, the parent company of the four engineering firms. This acquisition provides both architectural and site development clients with full service for engineering and building design.