Wallace Design Collective, PC
Tulsa, OKdedicated to the art of possibility.
Project: Petersen Automotive Museum
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dedicated to the art of possibility.
Project: Petersen Automotive Museum
Design, Engineer & Deliver
Project: US 101/Avila Beach Drive Interchange Improvement Project

Sustainable Infrastructure through Innovative Engineering
Project: MD 404 Dualization Design-Build
Wallis Engineering, PLLC is a civil engineering consulting firm serving local government clients throughout the Pacific Northwest from offices in Vancouver, Washington and Oregon City, Oregon. Founded in 1984, it focuses on planning, design, and construction phase services for municipal infrastructure, distinguishing itself through technical production, strong teamwork, and a focus on constructible, cost-effective outcomes for communities.
Service detail: Planning

Engineering Solutions Since 1998
Project: Skyline Drive Roundabout

Creating a Better Water Future
Service detail: Construction Management

Customized infrastructure, water resources, and civil engineering solutions for Pacific Northwest communities
Project: Segment 3B Water Transmission Pipeline

Where Boundaries Meet Opportunity
Service detail: Boundary Surveys

Your world is always changing, & so are we.
Project: Church Creek Drainage Basin Flood Reduction Study

Multi-discipline professional engineering and land surveying solutions
Project: Edwards-Sandborn Solar + Storage

Providing quality work through dedication, thoroughness, and technical excellence.
Project: Wilcox Bridge Inspections and Repair Recommendations

Sensible and artful experiences with impact.
Project: Dudy Noble Field / Polk Dement Stadium
Willdan transitions communities to clean energy and a sustainable future
Project: NFL Stadium Transportation Management and Operations Plan

Experience You Can Count On
Project: Denver Light Rail Corridor Survey

Over 90 Years of Delivering Excellence
Project: Mettie Jordan Elementary School
Thoughtful Innovation And Highly Responsive Civil Engineering Services
Project: Kaneohe-Kailua Wastewater Conveyance & Treatment Facilities

System performance is our business.
Service detail: Network Testing and Verification
Our People. Your Success
Project: Thomasville Parks and Recreation Plan

People | Culture | Design
Project: Stillaguamish Administration Building
Engineering With a Cause
Service detail: Aviation

Planning | Design | Engineering | Construction
Project: Macy House Historic Renovation

Beyond Buildings
Project: Pascua Yaqui Casino Del Sol

Meeting our clients' most pressing needs.