Browse the Top 4 Engineering Companies Serving Salem, OR

LEI Engineering provides civil engineering, land surveying, and forest engineering services across the Pacific Northwest. Since 1981, weve partnered with residential, commercial, and government clients to deliver innovative solutions for site development, road design, stormwater management, and forest operations. Our expertise combines technical precision with a focus on client collaboration and regulatory compliance.

DOWL provides engineering, environmental, and construction services specializing in transportation, water resources, civil infrastructure, and land development. With a focus on quality and sustainability, we deliver tailored solutions for public and private clients across the Western U.S. Our ISO 9001-certified processes ensure reliable, client-centric outcomes that prioritize safety, regulatory compliance, and community impact.

Westech Engineering provides comprehensive civil engineering services for transportation, water resources, wastewater, and infrastructure projects. With over 50 years of experience, we deliver tailored solutions for municipal, commercial, residential, and industrial clients across the Pacific Northwest. Our expertise includes master planning, regulatory compliance, and construction management for complex infrastructure developments.

DKS Associates is a leading transportation planning and engineering firm specializing in smart mobility solutions. Founded in 1979, we deliver innovative, client-focused services including transit optimization, safety planning, and climate-resilient infrastructure. Our team of experts combines decades of experience with advanced technologies to create safer, more efficient transportation networks across the U.S.