Structural Solutions

Sisul Engineering, located in Gladstone, Oregon, is a professional engineering firm boasting over three decades of experience since its establishment in 1985. The company specializes in delivering high-quality designs and services across a range of projects, ensuring precision and innovation in every endeavor. With a team of six skilled engineers, including five Professional Engineers, Sisul Engineering is committed to recognizing and cultivating talent within their workforce. Their portfolio features notable projects like the Monrovia Nursery, Willamette 205 Center, and waterline developments in Prairie City, demonstrating their versatility and expertise in the field. Generated from the website

ArcSine Engineering is a reputable engineering company with headquarters in Redding, California and an additional office in Medford, Oregon. They offer a wide range of engineering services and have a qualified team that serves clients in Northern California, Oregon, Nevada, Washington, Idaho, Utah, and Arizona. With their expertise and experience, ArcSine Engineering caters to various industries and regions, including Redding, the Bay Area, Rogue Valley, Willamette Valley, Southern Oregon, Central Oregon, and beyond.Generated from the website

Building Confidence and Trust through Engineering Excellence, Marquess & Associates strives to exceed the unique needs of each Client while benefiting the communities we serve.Continually growing knowledge, experience, and resources to maintain professional leadershipFounded in 1957 by Walter J. Marquess, P.E., Marquess & Associates, Inc has provided the Southern Oregon Region with over 50 years of engineering excellence. We provide comprehensive professional services to clients in both the public and private sectors. Our goal is client satisfaction and the fact that over 80% of our business is with repeat clients is a gratifying tribute to our commitment to client success.With complete in-house capabilities, we assemble a team from our full-service staff to match each client's particular needs. Each team is led by a Project Manager who coordinates all disciplines and is the single point of contact for the Client. Utilizing modern technologies and teamwork, we develop the most timely and cost effective solutions possible. At the present time there are 19 employees including 8 Professional Engineers.