Spalding DeDecker

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Spalding DeDecker Associates is a consulting civil engineering and surveying company. It offers a range of engineering services to public and private clients. Founded in 1954, SDA is an employee-owned business with more than 125 professionals on staff. Some of the company s services include site development, feasibility studies, utility design, structural engineering, bridge design, sewer operations, flow monitoring and security assessments. Spalding DeDecker Associates operates three offices in Michigan, including one in Rochester Hills, and another location in Cleveland.