Publishers Communication Group, Inc., a division of Publishing Technology plc, is a full-service marketing and sales consulting firm with locations in Cambridge, Massachusetts, and Oxford, England. PCG was established in 1989 as a resource for scholarly publishers to more effectively work with the global library market. PCG offers qualitative and quantitative marketing research, international multi-lingual telemarketing services, UK- and US-based customer services operations, sales representation, and strategic consulting.