• Power Generation - Hydropower
  • MacKay Sposito - Our Employees
  • Land Development - Residential
  • MacKay Sposito - Our People
  • Transmission and Distribution - Steel Tower Construction
  • MacKay Sposito Partner Group
  • Transportation - Roundabout
Delivering infrastructure solutions and building lasting relationships
Our Capabilities
Our Work

LEADING by doing right

ABOUT US

take a look at our portfolio of work

SEE HOW WE SERVE ENERGY, PUBLIC WORKS, AND LAND DEVELOPMENT INFRASTRUCTURE PROJECTS. VIEW OUR PORTFOLIO!
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why choose mackay sposito?

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WE BELIEVE IN THE WORK YOU DO

Whether you work in Energy, Public Works, or Land Development - you're building the future. We understand the critical nature of your mission to provide infrastructure that will remain vital for generations to come. And because we share your passion, MacKay Sposito will help you leave a legacy that shines bright.
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WE BUILD RELATIONSHIPS

Relationships are at the core of everything we do. We think of our clients as colleagues who share the same goals and concerns. We want to partner with you for years to come and deliver meaningful results. Our success is dependent on your success, so we'll be with you for the long haul.
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THE RIGHT MIX OF BIG AND SMALL

A large firm brings a wealth of expertise and capacity, while a small firm brings enthusiasm and personal service. With MacKay Sposito, you get both. We are the right-sized choice to get the job done.
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IT'S ALL ABOUT COMMUNITY

MacKay Sposito helps communities thrive. We invest in every community where we serve to support its health and growth. Your goal is to make your community as great as it can be. Our goal is to help you succeed.

CLIENT Quotes

"I have worked with MacKay Sposito over the past 40 years on a variety of communities and related projects. They have repeatedly proven themselves creative, cost conscious and responsive to us as their client."

Dave Wood, Regional President - Northwest Region NEWLAND COMMUNITIES

"We couldn't have done it without you - you were phenomenal. I can't say enough good things about MacKay Sposito."

Dale Campbell, Operations Supervisor GRANT COUNTY PUD

"My experience with MacKay Sposito has proven that they are consistently focused on how to benefit both the Port and the communities they serve."

Dave Ripp, Executive Director PORT OF CAMAS-WASHOUGAL

"You are my preferred surveyor for all airport work. On airport work, particularly at major airports, we only have time to do it once, so that is why I prefer your company."

Dave Yee, P.E., Systems Engineer FEDERAL AVIATION ADMINISTRATION

VANCOUVER

1325 SE Tech Center Drive, Suite 140
Vancouver, WA 98683
360.695.3411

7200 NE 41st Street, Suite 100
Vancouver, WA 98662
360.695.3411

KENNEWICK

7601 W Clearwater Avenue, Suite 405
Kennewick, WA 99336
509.374.4248

FEDERAL WAY

33400 8th Avenue South, Suite 130
Federal Way, WA 98003
253.205.8700

Drop us a line