U.S. Communities - California State Association of Counties cooperative purchasing,purchasing cooperative,government procurement,purchasing organization,government cooperative, nonprofit discounts, education purchasing, city procurement, county procurement, purchasing contracts, government contracts, cooperative contracts, state contracts, city contracts, county contracts, purchasing contracts, piggyback contracts Feb 25, 2013 · It was the first – and for a while the only – purchasing cooperative for local governments. Now, the field is crowded with wannabes that claim to save money and …