This List includes architecture firms located in the Bay Area, which is defined as Alameda, Contra Costa, Marin, San Francisco and San Mateo counties. Information was obtained from firm representatives. In case of ties, number of Bay Area architects was used as secondary ranking criteria. “All design work” includes the following services: architecture, contracting, interior design, engineering and planning. From last year, Field Paoli Architects (No. 32), Page & Turnbill Inc. (No. 37), Group 4 Architecture, Research + Planning (No. 42), and JRCV Urban International (No. 47) did not respond for comment. CAW Architects Inc. (No. 43) has work in Palo Alto and no longer places because we excluded Palo Alto this year. HTNB Corp. (No. 48) and Lionakis (No. 49) did not want to participate this year.