Harmsen & Associates Inc

MacKay Sposito is a values-driven consulting firm with over 50 years of experience shaping infrastructure that strengthens communities. From civil engineering and landscape architecture to environmental permitting and beyond, we prioritize people, partnerships, and long-term impact. Rooted in our values, we're expanding our reach throughout the western U.S. to deepen our service to clients and amplify our positive impact on the communities we serve.

Northwest Datum & Design is a civil engineering and surveying firm based in Mount Vernon, WA, offering a comprehensive range of services tailored to meet client goals in Whatcom, Skagit, Island, San Juan, and Snohomish counties. With a focus on personalized service and quick mobilization of resources, NWDD has built a strong reputation for delivering quality results within budget and on schedule. The company provides expertise in civil and structural engineering, land surveying, project management, and planning and permitting, with a track record of successful projects and a client base of over 80 repeat customers. NWDD's commitment to responsiveness and local presence allows for efficient collaboration with subcontractors and timely completion of tasks such as road design, sewer systems, storm drainage, and construction surveying. Generated from the website