Business Details
45 Years
experience
Your Trusted Partner for Engineering & Surveying Solutions
Founded in 1981, LEI Engineering has established itself as a leader in civil engineering, land surveying, forest engineering, and forestry services across the Pacific Northwest. Our team combines over four decades of industry expertise with a commitment to client satisfaction, delivering tailored solutions for residential, commercial, and government projects. We pride ourselves on open communication, innovative engineering techniques, and a deep understanding of local regulations and environmental considerations.With a focus on community involvement, our professionals actively contribute to local initiatives while maintaining technical excellence in every project. Our mission remains unchanged since inception: to provide unparalleled professional services through client-centric approaches, ensuring every project achieves its goals while enhancing the communities we serve.
Services
Civil Engineering
Land Surveying
Forest Engineering
Forestry Services
Stormwater Design
Roadway Engineering
Timber Resource Management
Hydraulic Engineering
Construction Staking
GIS Mapping
Details
- Year established: 1981
Highlights and features
- We offer 40+ years of experience in civil and forest engineering across four continents.
- Our team holds multi-year on-call contracts with federal and local government agencies.
- We combine historic logging equipment expertise with modern remote sensing technologies.
- Our professionals actively lead community initiatives and understand local construction practices.
- We provide end-to-end project management from feasibility analysis to construction oversight.
What people say
Positive experience
Professional
Helpful
Responsive
Good staff
Services
Civil Engineering
Our civil engineering team specializes in residential and commercial site design, including roadway engineering, stormwater management, and hydraulic design. We provide comprehensive solutions from initial planning to construction documentation, ensuring compliance with local regulations. Our expertise includes master planning, utility design, and DEQ permitting support for developments across the Pacific Northwest.
Land Surveying
We offer full-service land surveying for property corners, subdivisions, and ALTA surveys. Our team uses advanced laser survey equipment and GIS mapping technologies to deliver accurate boundary determinations and topographic surveys for residential, commercial, and government clients throughout Oregon and the Pacific Northwest.
Forest Engineering
Our forest engineering services include low-volume road design, logging unit layout, and transportation planning. We combine historic equipment knowledge with modern remote sensing technologies to develop operationally sound systems that address environmental impacts while optimizing timber harvesting efficiency across millions of acres globally.
Forestry Services
We provide comprehensive forestry services including timber cruising, stand restoration, and collaborative forest planning. Our experts conduct regeneration surveys, develop management plans, and implement silviculture approaches that balance stakeholder objectives with regulatory requirements for both industrial and private landowners.
Hydraulic Design
Our hydraulic engineering team specializes in stream crossing design, fish passage solutions, and large basin runoff analysis. We create water quality and flood control systems that meet regulatory standards while ensuring sustainable infrastructure development for both urban and forested environments across the western United States.
People
Dallas C. Hemphill
Founder
Founded LEI in 1981 and established its reputation for logging engineering excellence. Led the company through its initial decades of growth and international expansion in forest industry projects.
Greg J. Zartman
Former President
Served as President from 2007-2020, overseeing diversification into civil engineering. Currently acts as Principal Engineer, leveraging over two decades of leadership experience in engineering and surveying.
Jamie Van Agtmael
President
Current President since 2020 with extensive surveying expertise. Previously served as Survey Manager since 2008, bringing technical proficiency and operational leadership to the company's engineering and surveying divisions.
Questions
What engineering services do you specialize in?
We specialize in civil engineering, forest engineering, land surveying, and forestry services including stormwater management, logging systems, and infrastructure development.
Do you work with government agencies?
Yes, we hold multi-year contracts with federal and local governments, including the U.S. Forest Service and City of Salem.
What geographic areas do you serve?
We operate throughout the Pacific Northwest, Alaska, and western United States, with headquarters in Salem, Oregon.
How do you handle environmental compliance?
Our team designs fish passage solutions, stream crossings, and logging systems that meet regulatory requirements while balancing operational needs.
Can you assist with residential development projects?
Yes, we provide subdivision engineering, lot layouts, grading design, and permitting services for residential developments.
