Concrete Is What We Do.W Janssen Construction is a locally owned and operated concrete contractor. We specialize in commercial jobs and residential jobs. Our owner is on site for every job to maintain top of the line quality. We see the impact of poor work when business and home owners have to redo a job that wasn't done right. It can slow down business and can be costly. We do the job right the first time. Commercial Jobs Include: * Parking Lots* Curb & Gutter Work* Inlet Repair* RemovalsResidential Jobs Include: * Driveways* SidewalksCall to inquire on any type of concrete related work.