In 2011 and 2012, Advertising Age ranked PHCG as the largest U.S. healthcare communications network by revenue.
Federal Communications Commission | Universal Music Group | Warner Music Group | Coxeter group | Volkswagen Group | Group of 77 | Clear Channel Communications | RTL Group | girl group | BT Group | ABB Group | Group One | Virgin Group | Thales Group | ING Group | group | Rio Tinto Group | Bloomsbury Group | Penguin Group | Carlsberg Group | Borders Group | Arup Group Limited | Benetton Group | L-3 Communications | Communications Act 2003 | Stagecoach Group | LMFAO (group) | Anschutz Entertainment Group | Tata Group | Rootes Group |