About Us

As a local family-owned business, Brent Bies and his dad Steve offer Sarasota and surrounding counties an exceptional experience.  Steve started Bies Underground Technologies, formerly Custom Sprinkler Systems, in 1989. With 40+ years' experience in underground construction, directional boring (horizontal directional drilling), yard drainage and irrigation installation are our specialty.  As supporters of our local communities, we have built our success on integrity and taking pride in our work.  Reach out today to connect with Sarasota's premier directional boring (HDD) and drainage company!