Concrete Laborer Zenith Tech | Waukesha, WI Seasonal Apply Now Laborer Concrete/Curb and Gutter Division Zenith Tech a Walbec Group Company Southeast WI. Are you looking for an exciting career in road, highway, and bridge construction? Zenith Tech Inc. of the Walbec Group has a place for hard working, loyal, and driven people like you. Come work with us as a Laborer and e