Find engineering consulting firms by capability and location.

Anderson Perry & Associates, Inc. (AP) is a full-service civil engineering firm serving eastern Oregon and eastern Washington since 1975. With nearly 100 employees and five office locations, AP provides water and wastewater system design, transportation, bridges, site development, flood reduction, irrigation, surveying, GIS, environmental and permitting, construction engineering, water rights, and cultural resources management services to public entities and communities throughout the region.

Project: City of Prineville Wastewater System Improvements

Caring people. Quality work.

Project: 1918 Eighth Avenue Shoring Design

Specialized airfield design, geotechnical engineering, and construction management services

Project: Runway 17C-35C Rehabilitation - Dallas-Fort Worth International Airport

Hayre McElroy & Associates, LLC is a special inspection, materials testing, and engineering firm serving public and private clients throughout the Pacific Northwest, Alaska, Hawaii, and Texas. Its accredited full-service laboratory tests soil, aggregate, hot-mix asphalt, concrete, masonry, shotcrete, fireproofing, and structural steel, and provides geotechnical strength and corrosion potential testing. HMA's licensed engineers and certified multi-discipline inspectors support projects from small municipal developments to large military and transit programs, complementing testing work with civil, electrical, fiber optics, code compliance, TESC, and construction management services.

Service detail: Special Inspection

Engineering Solutions Through Innovation and Experience

Project: ARCO Retail Compliance Monitoring

Complete Performance Solutions

Service detail: Performance Testing

Connecting the Dots for a Smarter Energy Future

Service detail: Electric Utility Strategy Consulting

Orbital Aviation is an independent, privately held aviation engineering company headquartered in Redmond, WA, providing engineering and design services to airlines, aerospace OEMs, and MROs worldwide. It offers aircraft avionics design and certification, structural modifications, IFE installation, interior modifications, regulatory approval and STC management (FAA and EASA), virtual maintenance engineering, and a cloud-based computerized maintenance system for airline fleets.

Service detail: Aircraft Engineering & Design

Committed To Helping Our Clients Succeed

Project: Tarrant Regional Water District & City of Dallas Integrated Pipeline System Transient Analysis

The engineer's engineer

Project: Avionics development for a microgravity manufacturing spacecraft