The Pigging Products and Services Association (PPSA) was formed in 1990 and has 120+ members representing the pigging industry throughout the world. PPSA plays a major role in providing information and sourcing pigging equipment and services for the pipeline industry and responds to hundreds of enquiries each year through its web site www.ppsa-online.com. It provides a free technical information service and runs seminars on pigging. It’s aims are, “To promote the knowledge of pigging by providing a channel of communication between the members themselves, and with users and other interested parties”.