Seattle--Four marketing and communications firms have set up shop in the historic Old Spaghetti Factory Building in Seattle with a combined company designed to compete with full-service agencies. Dubbed the Brickhouse Group, the venture is composed of FSA Advertising & Media, The Briant Partnership, MarketArt and Production Partners. The venture will specialize in advertising strategy, creative services, media buying, public relations, crisis management, copywriting and production. The move underscores the trend of boutique agencies moving to provide a wider array of services for clients. The name of the venture is derived from the building in Seattle, which is near Pioneer Square and has been the haunt of hobos, beatniks, sailors and, more recently, flash-bulb-popping tourists.