Eapc Architects Engineers

Founded in 1961, Koch Hazard Architects is a service firm comprising of 25 architects, planners and interior designers. The firm offers an extensive array of services, such as research, sustainability, feasibility analysis, master planning, programming, graphic/interior/landscape design, historic surveys and preservation/restoration. Its list of capabilities includes education, health care, commercial, governmental, churches, residences, preservation, restoration and adaptive reuse. Koch Hazard Architects practices on a regional basis with clients in South Dakota, Minnesota and Iowa. Located in Sioux Falls, S.D., the firm is a member of U.S. Green Building Council (USGBC).

Founded in 2008, designArc Group is a growing, close-knit architecture and engineering firm dedicated to creating spaces that inspire and serve communities across eastern South Dakota and the Midwest. Over the years, weve thoughtfully expanded our portfolio to include commercial, educational, multi-family and hospitality projects, reflecting the diverse needs of individuals and organizations in our region.We believe in fostering strong, personal relationships with our clients, working collaboratively to develop solutions that are both innovative and sustainable. By maintaining open communication and a shared vision, our team delivers designs that exceed expectations while addressing unique challenges with care and creativity.

Formed in 1988, GeoTek Engineering & Testing Services Inc. is a professional services firm. Based in Sioux Falls, S.D., it provides consulting services in the areas, including geotechnical engineering, construction materials testing and environmental consulting. The company serves a number of clients across South Dakota, North Dakota, Iowa, Minnesota and Nebraska. It offers a wide range of services, such as subsurface exploration, laboratory testing, as well as earth structures, slopes and retaining systems, among others. GeoTek Engineering & Testing Services Inc. is also one of the leaders in the field of geotechnical engineering.