Engineers in Walla Walla, WA

Comprehensive list of Walla Walla, Washington based civil, mechanical, electrical, chemical, structural and environmental engineering companies & consultants.

Business Listings

As one of the Northwest's most diverse civil engineering companies E of the Cascade Mountains, AP has gained a reputation for delivering solid engineering and sound solutions accompanied by exceptional relationship-oriented service. AP supplies planning, surveying, engineering design, environmental services, construction administration, and construction engineering on a range of public works and private


Saving energy, reducing waste, and increasing profits all go hand in hand. You can be both environmentally responsible and financially smart. Let our in-depth knowledge, technical expertise, huge experience, and staff approach aid you surpass your efficiency goals. We have chosen Cascade to design, roll out and manage SYSCO's new corporate energy management plan.


From Hopper & Dennis to Hopper Dennis Jellison, and now HDJ Design Group, we continue to build and enhance relationships with our clients. For 29 years, our focus on quality, service, and dedication to our clients has remained constant. HDJ Design Group is a complete service civil engineering company located in the Pacific Northwest.



For over 30-five years we've been servicing the Pacific Northwest by delivering cost effective engineering solutions for utilities, industrial and commercial installations. D. Hittle & Associates is recognized as a leader in customer service.


Hussey Engineering. is focused on delivering control systems engineering integration and construction services for customers with manufacturing, information management, and automation requirements. The firm's vision to provide design, integration, and construction services affords us the possibility to provide true design/build project solutions.


Meier Architecture Engineering provided architectural and engineering design for a new satellite dental facility in Ellensburg. The design of the building is reflective of the firm's interest in acquiring design characteristics of the surrounding neighborhood.


Our team of hydrogeologists, hydrologists, geologists, engineers, water resources specialists, and environmental scientists has strong technical abilities and many years of knowledge in clearly communicating the often complex issues confronting our customers. GSI is a privately owned consulting company, established in 2000, serving customers in the Pacific Northwest, California, Asia, and Europe.


GN Northern. is a multidisciplinary engineering and environmental consulting and construction material testing company located in Yakima, Washington, with branch offices in Kennewick, Washington, Hermiston and Hood River, Oregon. GN Northern's team includes geotechnical engineers, environmental scientists, geologists, engineering technicians, and special inspectors committed to delivering best quality