South Coast Regional Principal in Coos Bay

Ronald F. Stillmaker, P.E.

Regional Principal in Coos Bay, Senior Civil and Environmental Engineer

Ron has more than 35 years of civil and environmental engineering experience with an emphasis on municipal utilities along with structural design.  His experience includes project planning, development, design, and construction management of water line, storm and sanitary sewer system, and street/roadway projects.  He has also been responsible for structural design and analyses for residential and commercial buildings.  Ron has developed a good reputation in successfully completing projects involving multi-jurisdictional and public interests.

Certifications and Associations


Corporate Office:

812 W. Wabash Ave.
Eureka, CA 95501-2138
Tel: 707-441-8855
Fax: 707-441-8877

Office Locations:

  • Arcata, CA
  • Eureka, CA
  • Fort Bragg, CA
  • Redding, CA
  • Willits, CA
  • Coos Bay, OR
  • Klamath Falls, OR

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