Breadcrumb Home December 14, 2020 12:00 AM Western Asset Management Company BPTW 2020 Tweet Share Share Email More Toggle Fullscreen Share Western Asset Management Company came in fifth for employers with 500 to 999 employees. Toggle Fullscreen Share Western Asset Management Company has its headquarters in Pasadena, Calif., and 835 employees. Toggle Fullscreen Share Western Asset Management Company made the list for P&I's best places to work in 2012, 2014, 2015, 2016, 2017, 2018, 2019 and 2020.