Hunterdon County Educational Services Commission (ESC) - Cooperative Pricing Program: The ESC acts as the lead agent for a cooperative comprised of 141 school district and municipality members within the state of New Jersey. Cooperative Pricing is a purchasing system whereby the lead agency (Hunterdon ESC) prepares and advertises for bids, awards a master contract to the lowest responsible bidder, provides for its own needs, and extends the prices to the registered members.