The Hunterdon County Educational Services Commission (HCESC) operates a State of NJ approved Cooperative Pricing System, established in 1990, with the main objective of saving time and money. LEARN MORE Ed Data Services feature inclusion in the most dynamic supply bids available. With over 20 major supply categories available through one easy to use requisition system, our co-op bids have become the preferred purchasing tool for districts across the tri-state area. LEARN MORE The Educational Services Commission of New Jersey Cooperative System (ESCNJ) has been in existence since 1977, and has grown to become the largest cooperative pricing system in New Jersey. Our goal is to save taxpayers money by seeking out great prices for our members. LEARN MORE