Based in St. Charles, Ill., Cooper Hong Inc. is a full-service public relations and marketing communications firm specializing in delivering successful, integrated business-to-business marketing solutions for clients in a variety of industries. CHI combines the creative firepower, expertise and resources of a large agency with the agility, drive and personal attention of a smaller firm. CHI is ready to provide solid strategic capabilities and dynamic creative solutions to help your business succeed. Our mission is to provide brilliant strategic counsel, dazzling creativity and stellar execution of public relations and marketing communications programs that help our clients improve their position in the marketplace. We provide advertising, PR, web, direct mail and event support.