Audax Private Equity Announces the Acquisition of Liquid Environmental Solutions BOSTON, December 21, 2017-- Audax Private Equity (“Audax”) announced that it has acquired Liquid Environmental Solutions (“LES” or “the Company”) from private owners. LES, headquartered in Irving, TX, is a leading provider of non-hazardous liquid waste management and disposal services. Terms of the transaction were not disclosed. Geoffrey S. Rehnert, Co-Chief Executive Officer, Audax Group, said, “LES is a leader in the non-hazardous grease trap, used cooking oil, and industrial liquid waste management industry.