Superior Excavating

Since 1966, Michigan-based Superior Excavating, Inc. (SEI) has been setting the standard for underground utility services. Founded by Frank E. Baiardi and still family owned, SEI blends tradition with innovation to deliver exceptional results on every excavation and utility project. We proudly serve municipalities and developers throughout Michigan, offering comprehensive underground solutions including sewer, water, and site preparation services. Our experienced crews are dedicated to safety, quality, and efficiency, which is why so many clients return to SEI project after project. As a longstanding Michigan business, we understand local regulations, environmental challenges, and infrastructure demands. SEI’s legacy is built on trust, and our mission is to continue supporting Michigan’s growth with unmatched service and craftsmanship. Choose Superior Excavating for your next underground utility project and experience service that lives up to our name.