WOSB & WBE Certified. With its headquarters in Sauk City, WI, Push Underground Construction LLC is a full turn key underground utility contractor providing commercial and residential clients with superior services. Independently operated, our experienced crews are capable of handling projects of any size and scope. About Our Company Since opening in 2013, Push Underground Construction LLC has operated with the deliberate intention of being the finest and most reputable underground utility contractor in the area. We are fiercely proud of what we do, even more so being an independent business. Clients can tell how we value their business, as we make it a point to get to know a little about them or their business. For us, it's about building lasting relationships. With over 30 years of experience we can guarantee we will get the job done on time and within budget every time. We value the high demand of upgrading and expanding utilities and we are fully prepared to meet and exceed those demands.