Architecture/Engineering Firm Mason & Hanger Appoints New President GlobeNewswire (press release) CHANTILLY, Va., Oct. 24, 2017 (GLOBE NEWSWIRE) -- Mason & Hanger, a Day & Zimmermann (D&Z) company, has announced Benjamin A. Lilly, PE as President. As a growing Architecture/Engineering (A/E) firm, Mr. Lilly will lead Mason & Hanger in their ... |