Clients Brick Industry Association Brenau University Columbia College Historic Savage Mill Intervu Johns Hopkins US Family Health Plan Johns Hopkins Community Physicians Johns Hopkins Medicine Point of Purchase Advertising Institute Sterling Software Print Advertising From media planning to meeting impossible deadlines to developing hard-hitting creative that gets talked about, we develop advertising that simply produces results. Vertical market knowledge, international translations and placements and well-priced media buys are a matter of course at Catalyst Communications.