Share: CenterOak Partners LLC ("CenterOak"), a Dallas-based private equity firm, today announced that its portfolio company Shamrock Environmental ("Shamrock" or the "Company") has acquired Virginia American Industries ("VAI"). VAI is a leading regional provider of non-hazardous wastewater treatment services, operating through Centralized Wastewater Treatment ("CWT") facilities in Florida and Virginia under the Aqua Clean and Reco trade names, respectively. Terms of the transaction were not disclosed. Shamrock, which was formed in 1994 and is headquartered in Browns Summit, North Carolina, pr...