Browse the Top 12 Engineering Companies Serving Seattle, WA

Pacific Engineering Technologies specializes in structural engineering and architectural services, providing expert solutions for building damage investigations, repair design, new construction, and permitting processes. With over six decades of experience, we serve commercial, residential, and industrial clients across the Pacific Northwest and nationally. Our team delivers comprehensive services from initial assessment through construction completion, ensuring structural integrity and compliance with modern standards.

RDH is a leading provider of building science consulting, engineering, and construction services. We specialize in building enclosure design, structural engineering, and asset management, focusing on sustainability, energy efficiency, and durability. Our team works across North America to deliver innovative solutions for residential, commercial, and civic projects.

Jet Parts Engineering delivers FAA-certified aircraft parts and repair solutions to commercial aviation clients worldwide. We specialize in PMA parts, DER repairs, and MRO services that reduce maintenance costs while maintaining safety standards. Our engineering-driven approach combines technical expertise with rapid global delivery capabilities.

Duncanson Company is a civil engineering and surveying firm based in Seattle, specializing in land planning and project development across Washington, Oregon, and Idaho. With 25 years of experience, we deliver end-to-end solutions for public and private clients, including site engineering, drainage design, and boundary surveys. Our commitment to technical excellence and client collaboration ensures tailored, sustainable outcomes for complex projects.

FSi Engineers specializes in sustainable mechanical, electrical, and plumbing engineering services. We deliver high-performance building solutions for educational, healthcare, and civic institutions through innovative design and advanced modeling technologies. Our client-centric approach combines technical expertise with clear communication to achieve energy efficiency and operational excellence.

BHC Consultants is a Washington-based engineering and planning firm specializing in wastewater, drinking water, stormwater, and solid waste infrastructure solutions. We provide code compliance, municipal planning, and engineering services to public and private sector clients, focusing on sustainable, community-driven outcomes. Our employee-owned structure fosters personalized partnerships and long-term project commitments.

LPD Engineering provides civil site design and consulting services for public and private projects, specializing in stormwater management, utility design, ADA accessibility, and low-impact drainage systems. With a collaborative approach, we guide clients through regulatory challenges and deliver tailored solutions emphasizing sustainability and feasibility. Our team's decades of experience ensures high-quality, client-focused outcomes across diverse sectors.

Bright Engineering, founded in 1997, specializes in structural and civil engineering services for public and private sector clients. We provide complete design solutions for buildings, bridges, marine structures, and infrastructure projects while prioritizing client needs. Our expertise spans conceptual design, construction support, and structural analysis for complex facilities.

NSE Composites is an engineering firm specializing in composite structures since 1996, offering design, analysis, testing, and certification services. Our expertise spans aerospace, wind energy, and R&D projects, leveraging advanced finite element modeling and software development. We deliver tailored solutions for complex structural challenges, ensuring compliance with global industry standards.

GHL Consultants provides professional civil and structural engineering services to public agencies and private clients. Our core business involves designing and developing infrastructure projects, including bridges, tunnels, and waterfront structures. We prioritize delivering high-quality services, ensuring client satisfaction, and upholding professional standards. Our primary purpose is to provide exceptional engineering solutions that meet our clients' needs and exceed their expectations.

Sider + Byers is a Seattle-based engineering firm specializing in mechanical and electrical systems for buildings. With over 40 years of regional expertise, we design fire protection, plumbing, HVAC, and electrical solutions for diverse projects including housing, schools, fire stations, and commercial facilities. Our approach combines technical precision with sustainable practices to meet evolving industry standards.

PAC Land is a Seattle-based consulting firm specializing in civil engineering, land use planning, and transportation infrastructure. We deliver comprehensive solutions from project conception through construction, focusing on regulatory compliance and technical excellence. With deep expertise in municipal permitting and infrastructure design, we help clients navigate complex development challenges efficiently.