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Dennis is the excavation supervisor for Grunau Company, a position he has held since 1990. Dennis is responsible for all underground utility work including digging for plumbing, heating, water and electric lines, and sewer and sanitary systems. He also supervises manpower and equipment for excavation projects. In addition, Dennis oversees the response to Grunau's 24-hour emergency service for water main breaks. Dennis joined the Grunau team in 1969 as a field excavation laborer. He later worked as a foreman, overseeing large projects for Miller Brewing Company in North Carolina and New York. After assisting the plumbing and excavation supervisor for 5 years, Dennis accepted his current position. He holds a restrictive journeyman plumbing license in the state of Wisconsin. | 