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Tkda TKDA is a full-service engineering, architecture and planning firm committed to improving communities, helping business and industry grow and building long-term relationships with our clients. We have been serving clients across the country for more than 110 years. With a team of more than 300 highly trained employee-owners, TKDA is your single source for lasting design solutions.

Our experienced in-house team of architects, engineers and planners is ready to take on your toughest project. Every TKDA project is approached as the start of a long-term relationship.
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Headquartered in Saint Paul, Minnesota, and with offices across the United States, we are a complete single-source firm providing effective design solutions for the architectural, aviation, building engineering, municipal, rail and surface transportation sectors. We have been serving clients well for more than 110 years.
TKDA has provided forward-thinking architecture, engineering and planning to communities, government and private industries for more than 110 years. Throughout the decades, the company has maintained a strong commitment to quality design and service to both our community and our region's infrastructure, playing a key role in designing the area's roads, bridges, rail, mass transit, parks and trails as well as buildings and facilities for companies, schools and government agencies.
Our single-source design approach allows TKDA to provide clients solutions to all of their project needs. Our licensed professionals provide comprehensive technical services across multiple areas of expertise and disciplines. With more than 110 years of experience, our list of services is vast. We are continually adding new expertise to meet the needs of our clients.
TKDA embraces and pursues diverse markets and new clients. That strategy is the foundation for our stability and has led to more than a century of growth. Over the years, we have developed expertise and strong client relationships in six distinct divisions - architecture, aviation, facilities engineering, municipal, rail and surface transportation.
Reviews (2)
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Owen Curtiss
Jul 16, 2020
It's a windy route to get from a parking garage to the UBS lobby. But if you bring a map you can get there.
Honey-Nut
Feb 11, 2020
Very friendly and highly educated staff! When I talked to a few of the engineers there, I could tell they cared and were interested in getting the job done right!