Find the right engineering partner.

The Integrity of Great Structures Begins with Base.

Portland, ME

Urban Civil Engineering

Portland, OR

Traffic Engineering Design and Traffic Signal Operations and Design.

Portland, OR

A Small-Team Approach to Big Engineering Challenges

Portland, OR

Experts in Engineering

Des Moines, IA+3

Public Infrastructure Engineering and Stormwater and Drainage Design.

Portland, OR

Innovative and creative structural solutions

Los Angeles, CA+1

Providing Exceptional Quality, Service, and Value to Clients and Communities

Portland, ME+1

Acoustics, noise, vibration & audio-visual systems

Grand Rapids, MI+1

Applying science and design in innovative ways

Seattle, WA+5

Dedicated to protecting people, property and businesses

Portland, ME+6

Serving Our Nation's Airports Since 1987

Portland, ME

Transforming Our Environment and Communities, with Integrity and Vibe

Seattle, WA+26

Illuminating UAS Design

Portland, OR+1

Transportation Engineering - Roadway and Civil / Site Engineering.

Lawrence, MA+3

Keeping Construction Projects on Track

Silver Spring, MD+7

Engineering Practical, Diverse, Structural Solutions

Portland, OR

Elevating acoustical design.

Seattle+1

Noise & Vibration Consultants

Portland, OR

Engineering You Can Count On

Portland, OR

Advancing the State of Hybrid and Electric Marine Vehicles

Bellingham, WA+3

Problem solvers, driven to create a safer, more resilient built environment.

Portland, OR+6