Portland, Oregon

Office Leadership:

Karl Atteberry, PE, LEED® AP

Principal - Mechanical, Team Leader

Tom Pride, PE, LEED AP

Principal - Electrical, Team Leader

The Portland office was born as CBG Engineers in 1977. In 2005, CBG joined Mazzetti and has established itself as the firm’s sustainable design powerhouse—almost all of the firm’s LEED Certified projects are a product of the Portland office’s design and management expertise.

Best MEP Engineering Firm 2018