Forest A. Phillips and Eugene C. Swager start an architectural, engineering, and planning firm over a drug store in Peoria, Illinois.

Sidney O. Dewberry and three partners form a six-person engineering and surveying firm in Arlington, Virginia.

Dewberry begins offering architectural and building engineering services.

PSA opens its first branch office in Dallas, Texas.

PSA and Dewberry team for the first time to pursue criminal justice projects.

The acquisition of Kleb Architects gives PSA a presence in metropolitan Chicago, and leads to the establishment of a new office in Naperville, Illinois.

Dewberry acquires HTB, Inc., an architectural/engineering firm based in Oklahoma, and a national leader in institutional and healthcare design.

PSA enters the Washington, DC, market with the opening of an office in McLean, Virginia.

Dewberry acquires Boston-based Anderson-Nichols & Company, Inc.

Dewberry acquires PSA, merging architectural and building engineering operations to form PSA-Dewberry Inc.

Dewberry Design Group merged into PSA-Dewberry, making PSA-Dewberry the architectural design and building services operation of the Dewberry conglomerate.

Ronald J. Budzinski, FAIA, elected to The College of Fellows of the American Institute of Architects (AIA). Randall E. Gibson, PE, SE, named PSA-Dewberry president.

PSA-Dewberry opens a new, larger office in Chicago, Illinois, the nation's symbolic epicenter for architectural design.

Burnidge Cassell Associates (BCA) becomes a Dewberry company, now known as PSA-Dewberry/BCA.