The union movement at United Natural Foods Inc. (UNFI) continues to gain momentum, as more than 50 drivers in Richburg, S.C., voted on Monday to join Teamsters Local 509.Since 2022, over 3,000 UNFI workers have joined the Teamsters. In the past year, employees in Wisconsin, Texas and two groups in Florida have also become union members.South Carolina workers are seeking better wages, stronger benefits and improved working conditions.“UNFI offers competitive pay and benefits and safe working conditions to al ...