BlackArch Partners LLC is pleased to announce that Specified Air Solutions, a portfolio company of The Sterling Group, is now part of the Madison Industries family of companies.(PRWeb October 23, 2018)Read the full story at https://www.prweb.com/releases/blackarch_partners_advises_the_sterling_group_on_sale_of_specified_air_solutions_to_madison_industries/prweb15855061.htm