16 magazines, newsletters, books, pamphlets and brochures in the fields of computers, computer software, environment integration, on-line services, and publishing
35 arranging and conducting trade show exhibitions in the fields of computers, computer software, telecommunications, networking, software and/or hardware environment integration, on-line services, and publishing
41 planning and conducting conferences, seminars and exhibitions in the fields of computers, computer software, telecommunications, networking, software and/or hardware environment integration, on-line services, and publishing
42 computer services, namely leasing access time to a computer database in the field of vendor product information and education