
Marquess & Associates, Inc.
Structural Engineering and Seismic Studies and Renovations.
Medford, OR
Explore capabilities, project experience, and office locations to build your shortlist.

Structural Engineering and Seismic Studies and Renovations.
Medford, OR

Remediation and PFAS Treatment and Remediation.

Assessing Ground Conditions for Your Construction Project
Making Your Project Successful In A Changing World
Bowling Green, KY

Where Experience Meets Innovation
New Orleans, LA

Integrity | Excellence | Trust
Abilene, TX+5
Subsurface Characterization & Geophysics and Fault and Fissure Location.
Albuquerque, NM

Engineering Excellence Built on Experience.
Greenville, MI+2

Serving S. Oregon and N. California Since 1983
Klamath Falls, OR

Engineering Quality Projects Throughout New England
Biddeford, ME+2

Not All Ground Is Created Equal
Ocala, FL

Engineering & Environmental Services and Geotechnical Engineering.
Dayton, OH+2
Welding Engineering & CWI Inspection Services
Tulsa, OK

Delivering consulting engineering services across the New England area

Founded on Practical Solutions.
Butte, MT+8
The Consulting Expert
Houston, TX

Engineering Consulting and Testing Firm
Vacaville, CA+1

Geotechnical Engineering Services and Foundation Design.
San Juan, PR

Geotechnical Engineering and Environmental Services.
Bakersfield, CA

Expert corrosion control services, featuring cathodic protection testing and design
Towanda, PA

Engineering & Consulting and Engineering Studies, Investigations, Surveys, and Evaluations.
Canfield, OH+1

Geotechnical Engineering and Construction Testing Services.
Gainesville, GA+1

Building Tomorrow's Legacy, Today
San Jose, CA
Serving Our Industry Since 1898
Fresno, CA+3