Marquess & Associates

For over six decades, Marquess & Associates has been a trusted name in the engineering industry, providing exceptional services to clients across Southern Oregon and beyond. Our journey began in 1957 when Walter J. Marquess, P.E., founded the company with a vision to deliver innovative, cost-effective, and professional engineering solutions. Today, we remain committed to that mission, serving clients in both the public and private sectors.

Our Services

Our comprehensive range of services includes:

Structural Engineering: We specialize in designing and ensuring the structural integrity of buildings, bridges, and other infrastructure projects.

Civil Engineering: Our civil engineering expertise covers water supply systems, sanitary sewer collection systems, storm drainage facilities, roadways, and subdivisions.

Mechanical and Fire Protection Engineering: We provide designs for piping systems, HVAC systems, plumbing, and fire protection systems.

Geotechnical Engineering: Our geotechnical engineers evaluate soil and rock properties to ensure stable infrastructure and ground conditions.

Electrical Engineering: Our electrical engineers design electrical systems, including power generation, transmission, and distribution.

Drone Aerial Inspection Services: We utilize drones to conduct aerial inspections and surveys for infrastructure projects.

Special Inspections and Construction Materials Testing: Our inspectors and technicians perform special inspections and testing to ensure compliance with codes and regulations.

Portfolio

Our portfolio is a testament to our dedication to delivering high-quality engineering services. We have collaborated with esteemed clients, including Lithia Motors Inc, Ledford Construction Company, and The Abell Architectural Group, Inc.

Our Team

At Marquess & Associates, we take pride in our talented team of engineers, designers, and technicians. Our principals are registered Professional Engineers in Oregon and other states, ensuring hands-on participation throughout project development, design, and construction.

History

Founded in 1957, Marquess & Associates, Inc. has a rich history of providing exceptional engineering services to Southern Oregon and the surrounding regions. Our commitment to client satisfaction has earned us a reputation as one of the most reliable engineering firms in the region. We continue to thrive, driven by our mission to provide quality engineering solutions, innovative designs, and unparalleled service.