Professional Services

Services: Architectural Firms, Engineering Services

Contact: Leslee Leroux, Vice President- Marketing and Business Development

Address: 11 E Superior St 340, Duluth, MN 55802

Phone: 218-724-8578



TKDA provides communities, public agencies, and businesses with engineering, architecture and planning services in five key markets: Aviation, Rail, Surface Transportation, Municipal Services, and Facilities. Headquartered in Saint Paul, Minnesota since 1910, our project teams serve clients nationwide from Saint Paul and six additional office locations including Duluth and Hermantown.

With more than 200 employees, TKDA’s multi-disciplined resources provide access to a broad range of planning and design professionals. Challenging projects, a diverse, 80% repeat client base, opportunities for professional growth, and the long-term stability of the firm attract professionals to TKDA who are serious about building their career with a solid, reputable company. Focus on project management and innovative, cost-effective planning and design drives our teams to meet client goals on every project.

TKDA Engineers, Architects, Planners serves the Northland, Arrowhead, Duluth MN Superior WI MSA, Aitkin, Carlton, Cook, Itasca, Koochiching, Lake, and St. Louis county areas.

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