
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

Architecture and Mechanical, Electrical, Plumbing and Fire Protection Engineering.
Penfield, NY+6

Shaping the communities that we call home.
San Luis Obispo, CA+8
Simplified Designs Through Reliable Engineering

Architecture and Engineering Design and Schematic Design.
Chambersburg, PA
Designing Innovative, Constructable Solutions for Challenging Environments
Anchorage, AK+7

Design Solution for Everyone
New Milford, NJ

Improving our communities and meeting our clients' needs by doing the right things, right.
Fort Worth, TX+4

Building a better world, one project at a time
Turning client vision into buildable, cost-effective solutions.

Bringing Architectural Visions to Life
Pittsburgh, PA+2

Innovative Engineering Solutions for the Mid-Atlantic
McLean, VA+1
Architecture and Design.
San Juan, PR

Put Our Experience to Work for You
South Berwick, ME

Redefining the Limits of Engineering
Rochester, NY

Design, Build, and Sustain a Better World
Springville, NY+4

Civil Engineering and Municipal Engineering.
Carlisle, PA

Build better. Build smarter. Build greener.
Houston, TX

Built on Trust. Powered by People.

Innovative civil, structural, and transportation engineering solutions
Columbia, MD

Building Solutions for Tomorrow
North Bergen, NJ

Over 50 years of making buildings and infrastructure systems work, preserving the environment, and achieving client service excellence.
Bohemia, NY

Building the Future Through Expertise and Creativity

Structural Engineering and Concrete Structural Design.
Idaho Falls, ID