The Package Division is the union’s largest division, serving hundreds of thousands of members throughout North America. UPS is the single largest employer in the Teamsters Union. The division is responsible for ensuring that management abides by the UPS Master Agreement. The UPS contract is the largest private collective bargaining agreement in North America. The division represents UPS package car drivers, air drivers, feeder drivers, part-time loaders, unloaders, sorters, clerks and mechanics.