JHI Engineering, Inc. is a Portland-based engineering firm specializing in structural, mechanical, electrical, and instrumentation services.
Since 1976, JHI Engineering Inc. has been providing professional engineering services to heavy industry in the Pacific Northwest. The company is a full-service engineering firm maintaining four departments: Mechanical Engineering, Civil/Structural Engineering, Electrical/Instrumentation Engineering and Project/Construction Management, with resources that enable it to perform projects completely...