Postal Realty Trust, Inc. (NYSE:PSTL) acquired Milwaukee U.S. Postal Service Building from R2 Companies and Polsky Holdings Inc. for $15 million on October 20, 2021. Postal Realty Trust, Inc. (NYSE:PSTL) completed the acquisition of Milwaukee U.S. Postal Service Building from R2 Companies and Polsky Holdings Inc. on October 20, 2021.