
Harper Houf Peterson Righellis Inc
An integrated multi-disciplinary engineering, planning, and surveying practice.
Portland, OR+4
Explore capabilities, project experience, and office locations to build your shortlist.

An integrated multi-disciplinary engineering, planning, and surveying practice.
Portland, OR+4
More than structural engineering.

Elite Engineering Services for Semiconductors and Defense and Aerospace
Austin, TX

Discover something new with an hCMOS detector

Customized MEP Solutions
Dallas, TX+4

Geotechnical Engineering.
Vancouver, WA

Powering Progress, Empowering Communities
West Palm Beach, FL

Transportation Engineering & Construction Inspection Services
Bayport, NY

Structural Engineering & Design and Concrete Inspection & Rehabilitation.
Chattanooga, TN

Advanced space mission program management and systems engineering

Building and Central Plant Commissioning and New Building / Construction Commissioning (NCx).
Austin, TX

Pre-Commissioning and Commissioning Services and AquaLazing.
Deer Park, TX

Results Driven Engineering
Gardena, CA+1
Improving the quality of life for the clients, communities and individuals we serve.
Lima, OH+9

Engineering Great Environments since 1977
Fort Wayne, IN+1
Indoor Wireless Coverage Solutions and Survey & Assessment.
Lisle, IL+1
Hard Questions. Tough Challenges. Bring It.

Project Management and Construction.
San Juan, PR

Dedicated professional engineers, surveyors, and environmental scientists.
Reno, NV

Engineering Project Solutions
Cleveland, OH+3
Your Product Development and Design Partner
Indianapolis, IN

Telecom engineering built for real-world deployment

Simple. Sustainable. Solutions.
Pasadena, MD

Bridging the gap with integrated telecommunications and RF engineering solutions
Alpharetta, GA