While he was working for a demolition, construction and excavation company, Brandt Volk saw a need, and he saw little competition. Years later that's still the case. Only one other company in the Twin Cities of Minneapolis-St. Paul performs hydroexcavation.Goliath Hydro-Vac Inc., the business that Volk started a decade ago with his wife and co-owner, Rachelle, sends crews primarily into five states in the Midwest and Great Plains, but their trucks have ranged even farther on occasion.Power companies and other customers are calling on him more and more. That's because excavation using high-pressure water and vacuum creates a precisely shaped
