Find engineering consulting firms by capability and location.

Acoustics, noise, vibration & audio-visual systems

Precision Industrial Control and Automation Engineering

A Small-Team Approach to Big Engineering Challenges

Civil Engineering, Surveying, and Landscape Architecture in Maine

Keeping Construction Projects on Track

Engineering, Design & Construction Services, Plus Advisory and Grant Support

Established in 2013 by Laurie Allen and Monique Allen, Allen Construction Management Services Northwest, LLC (ACMS Northwest) is an Oregon-based civil engineering and construction management practice. It provides professional services for public agencies and private-sector clients, with experience on major Pacific Northwest projects such as the City of Portland Secondary Treatment Expansion Program, Port of Portland PDXNEXT, and ODOT I-205 Abernethy Bridge.

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

Comprehensive engineering services grounded in strict adherence to international and industry-specific standards.

Amodeo Structural Engineering is a structural consulting firm based in Portland, Oregon, providing structural consulting, analysis, design, construction engineering observation, and administration services. The practice serves commercial, residential, and municipal clients primarily in the Pacific Northwest, with project experience spanning laboratories, schools, churches, art installations, banks, country clubs, office buildings, retail strips, pedestrian structures, and park site structures. Principal Richard J. Amodeo, SE, brings deep experience in both traditional building design and construction engineering, the combination of which informs practical, cost-effective structural solutions.

Transforming Our Environment and Communities, with Integrity and Vibe

Building a Greener Future Together.

We create solutions for the built environment.

Designing Buildings For a Resilient & Healthy Future

Serving Our Nation's Airports Since 1987

Bantam Engineering is a Portland, Oregon mechanical engineering and commissioning practice. It delivers HVAC design, plumbing design, and building commissioning for healthcare facilities, schools, government offices, airports, and semiconductor clean rooms. Owner Christine McKinley, PE holds licenses in Oregon, Washington, and California. Known for code fluency and a collaborative approach on construction sites and in permit negotiations, the practice specializes in radiant and dedicated outdoor air systems, clean-room mechanical design, and HVAC work within constrained existing buildings.

The Integrity of Great Structures Begins with Base.

Ask. Listen. Create.

Dedicated to protecting people, property and businesses

Broadbent & Associates is a full-service environmental consulting, civil engineering, and water resources firm founded in 1987. With approximately 100 employees and offices across Arizona, California, Colorado, Michigan, Nevada, New Mexico, Oregon, Texas, and Utah, Broadbent helps clients maintain compliance, manage environmental liabilities, and develop resources through environmental assessment and remediation, air quality services, water resources, civil engineering, and health and safety consulting.

Empowering the Pacific Northwest with Equitable Energy Solutions

Controls and Electrical Engineering

Pursue Excellence

Site civil and dry utility engineering, from first feasibility sketch to final inspection.