Thinking of setting up an employee training program? You might want to check out the membership directory of the Instructional Systems Association, a trade group of about 75 training-industry firms. The directory provides a brief description of each firm's philosophy, product offerings, and target industries, and serves as a handy guide to some of the better third-party programs on the market. A copy can be obtained at no cost by writing to the ISA, 10963 Deborah Drive, Potomac, MD 20854.