However, they do make less than full-time employees who make, on average, $95,000 a year, as CNN previously reported. UPS workers hold placards at a rally held by the Teamsters Union on July 19, 2023 in Los Angeles, California. “So, the [UPS] supply chain solutions will take a huge hit.”According to O’Brien, a strike would be felt both domestically and internationally. How is that fair?”Laster said the company has “already gotten our blood, our sweat and our tears … just give us what we’ve worked for.”Correction: A previous version of this story misquoted Teamsters union president Sean O'Brien. He said: "We've organized, strategized, now it's time to pulverize."