Support for strike action at UPS as Teamsters union prepares sell-out contract By Tom Hall 29 May 2018 Mass support for strike action is growing among workers at United Parcel Service (UPS), where the current contract with the International Brotherhood of Teamsters (IBT) covering 280,000 hourly workers is set to expire on August 1. … Continue reading Support for strike action at UPS as Teamsters union prepares sell-out contract