Business Details
50 Years
experience
Emergency
services
Trusted Engineering & Construction Solutions in Portland, OR
At David Evans & Associates (DEA), we have dedicated over 47 years to delivering exceptional engineering, design, and construction services across the United States. Our multidisciplinary team of engineers, surveyors, planners, and environmental specialists collaborates to address complex challenges in transportation, land development, water resources, energy, and marine services. Founded in 1976 and headquartered in Portland, Oregon, we prioritize client relationships through clarity of expectations, effective communication, and accountability.As an employee-owned firm, we foster a culture of innovation, stability, and professional growth, consistently ranked among Engineering News-Records Top 100 Pure Design Firms. Our commitment to cutting-edge technology and sustainable solutions ensures we meet evolving industry demands while maintaining a supportive, award-winning workplace recognized as a Best Place to Work. With offices in 10 states, we combine local expertise with nationwide resources to deliver tailored, trust-based outcomes for every project.
Services
Transportation Engineering
Land Development
Surveying and Geomatics
Marine Services
Water Resources
Energy Projects
Environmental Planning
Construction Management
Railroad Engineering
Urban Infill Development
Details
- Year established: 1976
Highlights and features
- We offer 47 years of proven success in engineering and construction services.
- Our employee ownership model aligns client and team member interests for superior outcomes.
- We utilize cutting-edge technology for precision in surveying, mapping, and project delivery.
- We maintain a nationwide presence with localized expertise in 10 states.
- Our commitment to sustainability integrates environmental stewardship into every project.
What people say
Proven expertise
Client-focused approach
Cutting-edge technology
Employee ownership model
Sustainable solutions
Services
Transportation Engineering
We specialize in designing and managing transportation infrastructure, including highways, bridges, rail systems, and transit solutions. Our expertise ensures safe, efficient, and sustainable mobility networks that meet current and future demands. Clients benefit from our comprehensive approach to project planning, regulatory compliance, and community engagement.
Land Development
Our land development services encompass residential, commercial, and mixed-use projects, focusing on sustainable urban growth. We provide site analysis, zoning compliance, and infrastructure design to transform raw land into functional spaces. Clients receive integrated solutions balancing environmental responsibility with economic viability.
Surveying and Geomatics
We deliver precise land surveying, 3D laser scanning, and GIS mapping for infrastructure and environmental projects. Our advanced technologies ensure accurate data collection and analysis for informed decision-making. Clients gain reliable spatial insights to support project execution and asset management.
Marine Services
Our marine division provides hydrographic surveys, port infrastructure design, and coastal engineering solutions. We address challenges in navigational safety, flood control, and marine habitat preservation. Clients receive data-driven strategies for maintaining and enhancing aquatic environments.
Water Resources
We design and implement water supply, wastewater, and stormwater systems with a focus on resilience and sustainability. Our services include watershed planning, flood mitigation, and regulatory compliance. Clients benefit from tailored solutions ensuring long-term water security and ecosystem protection.
People
Al Barkouli
Chairman and CEO
With decades of leadership in engineering and construction, Al Barkouli guides DEAs strategic vision while ensuring client-centric project execution. His expertise spans infrastructure development and organizational growth.
Sean Sullivan
Energy Business Unit Director
Sean leads DEAs energy sector initiatives, specializing in renewable and traditional energy infrastructure. His technical and managerial experience ensures innovative, compliant project delivery for public and private clients.
R.A. Plummer
Transportation Business Unit Director
R.A. oversees transportation projects nationwide, leveraging deep expertise in highway, rail, and transit systems to deliver efficient, sustainable mobility solutions for diverse communities.
Questions
What services does David Evans and Associates offer?
We provide engineering, surveying, planning, and construction services for transportation, land development, water resources, energy, and marine projects nationwide.
How long has DEA been in business?
DEA has delivered engineering solutions since 1976, with 47 years of experience in infrastructure and environmental projects.
Where does DEA operate?
We serve clients across the U.S. from offices in California, Colorado, Idaho, Mississippi, Nevada, New York, Oregon, Texas, Utah, and Washington.
Is DEA employee-owned?
Yes, through our Officer Program, employees share in ownership, aligning their success with client satisfaction and project excellence.
What industries does DEA specialize in?
We specialize in transportation, energy, water resources, land development, and marine services, integrating multidisciplinary expertise for comprehensive solutions.
How does DEA ensure project quality?
We combine advanced technology, rigorous compliance standards, and a collaborative approach to deliver innovative, reliable outcomes for every project.
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