MEDIA AND MARKETING
Agency Adds 6 Clients: William Johnson Advertising Inc., which has just moved from Newport Beach to Irvine, has added six clients: Bacchus Nightclub in Newport Beach, Mercy Hospital Medical Center in San Diego, Daniel Freeman Hospitals in Inglewood and Marina del Rey, Caseware software in Irvine, Exquisite Wrap in Irvine and Vesicare medical care in Irvine. . . . Calavo Growers of California has chosen KTA & Partners in Irvine to handle its advertising and promotional marketing. . . . Hahn Communications in Lake Forest has been retained to handle public relations for Birtcher Construction Ltd. in Laguna Niguel.