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Market Sectors Innovation, Solutions,
Excellence.

We apply our market sector expertise to deliver essential infrastructure, land development, public works, and energy services, with every endeavor backed by honest communication and collaborative relationships that support clients and project teams. Our deep and varied experience means we’re able to remain creative and adaptable, uncovering cost-conscious solutions and tailoring our approach to the specific needs, requirements, budget, and goals of each individual project.

 A silver C-TRAN bus displaying Route 47 “Yacolt” pulls into a leafy transit center with a glass shelter and pink flowers on a sunny day.

Real Results, Powered by People.

In order to provide the most effective and purposeful project solutions, we focus on the people who invest in, utilize, and perform the work—leaning on our strong and lasting relationships with clients, communities, and team members to measure and deliver success. Our Civil Engineers, Land Surveyors, Construction Managers, Inspectors, Landscape Architects, and Environmental Specialists stand in your corner and demonstrate absolute commitment because we believe in the work you do and the value it provides to our collective and shared spaces.

Collage of MacKay Sposito office scenes showing groups reviewing engineering plans with drawings and sticky notes at tables and colleagues conferring in a glass‑walled workspace.

Real Results, Powered by People.

In order to provide the most effective and purposeful project solutions, we focus on the people who invest in, utilize, and perform the work—leaning on our strong and lasting relationships with clients, communities, and team members to measure and deliver success. Our Civil Engineers, Land Surveyors, Construction Managers, Inspectors, Landscape Architects, and Environmental Specialists stand in your corner and demonstrate absolute commitment because we believe in the work you do and the value it provides to our collective and shared spaces.

Collage of MacKay Sposito office scenes showing groups reviewing engineering plans with drawings and sticky notes at tables and colleagues conferring in a glass‑walled workspace.

Our Market Sectors

  • Aerial view of a three-arm roundabout with a landscaped central island, crosswalks, and light traffic, surrounded by dense green trees and nearby homes.

    Public Works

    Improving the places where people live, work, and play.

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  • Three white wind turbines on rolling plains with a snow-capped mountain in the background beneath a clear blue sky.

    Energy

    Connecting and powering communities.

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  • Curving paved pathway through a landscaped park with boulders, native grasses, and evergreen trees, featuring a stacked cairn labeled Story Stone and a distant snow-capped mountain under a clear blue sky.

    Land Development

    Building tomorrow’s vision today.

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