San Francisco, California

Office Leadership:

John Pappas, PE, LEED AP

Principal - Mechanical, Regional Business Development Leader

Jon Inman, PE, LEED AP

Principal-Mechanical, Pacific Region Leader

Located in the city landmark, The Mills Building and Tower, the San Francisco office was opened by William Mazzetti, Sr. in 1962. The headquarters has had several names, an expansion of services, and changes in leadership, adding healthcare to its early largely industrial/manufacturing portfolio.