Milton Street-backed American Trailer Rental Group, a family of companies with a rental fleet approaching 10k units, completed the acquisition of Advantage Trailer Leasing, which provides trailer rental services. Financial terms were not disclosed. "We at Advantage are excited to join the ATRG family. My brother Garrett and I were impressed with the vision and execution of the team at ATRG. We are looking forward to actively helping ATRG continue to grow," John Brooks, American Trailer Rental Group CEO.