Terraphase Engineering Inc.
Client Focused, Community Engaged, Environmentally Driven
Explore capabilities, project experience, and office locations to build your shortlist.
Client Focused, Community Engaged, Environmentally Driven

Exceptional People Providing Exceptional Solutions
Atlanta, GA+2

Pioneering Underground Energy Storage & Subsurface Injection

Engineering trust.
Lincoln, NE+9

Quality, innovative, and cost-effective consulting engineering solutions
Turtle Creek, PA+1

Professional geotechnical services throughout the Pacific Northwest
Corvallis, OR

Proudly serving the Southern California community since 1993
Temecula, CA
Geotechnical Engineering and Construction Observation and Testing.
Renton, WA

Geotechnical engineering, project management, and design
Seattle, WA+1

Construction Inspection and Testing and Concrete Testing.
Lexington Park, MD

Serving the Rocky Mountain Region
Riverton, WY+7
Civil & Environmental Engineers
Crawfordsville, IN

Precision. Punctuality. Professionalism.
North Hollywood, CA
Small-Town Service, Big-Time Experts
Portland, OR+4
California's Only One Stop Shop
Escondido, CA

High Quality, Down To Earth, Geotechnical and Civil Engineering
Pueblo, CO

Trusted Expertise, From the Ground Up
Amesbury, MA+1

Geotechnical Engineering and Subsurface investigation and soil borings.

Framing Solutions for Today's Challenges
Colorado Springs, CO+2

Outer Banks Civil Engineering, Structural Engineering & Land Surveying
Kitty Hawk, NC

Geotechnical Engineering and Civil Engineering.

Consistent Quality and Custom Engineering
Lowell, AR
Delivering Integrated Infrastructure Solutions

Geotechnical Engineering and Pavement Design.
Huntsville, AL