Bolton & Menk has been providing engineering consultation services since 1949. Its areas of specialization include environmental studies, water resource management, site design and development, wastewater treatment, planning, surveying and mapping. The company designs and undertakes residential, commercial and industrial projects. Bolton & Menk s water supply treatment services include water utility studies and planning, ground water development, hydraulic analysis, instrumentation and technical assistance. Its traffic operating services include data collection, signal design, travel demand modeling, and capacity analysis of intersections and roadway segments. In addition, it provides a range of water conservation programs. Bolton & Menk maintains its corporate headquarters in Mankato, Minn.