Gregory Welteroth Advertising

Gregory Welteroth Advertising (GWA) is a privately held advertising and marketing company based in central Pennsylvania. It develops media-buying strategies, cooperative retailer programs, and national branding campaigns for national and international brands. Its services include cooperative program support, research and competitive analysis, advertising consulting, media planning, negotiation and buying, reporting, brand strategy, creative production, and online/offline media strategies designed to increase sales and brand awareness.