After years of loyally backing Democrats, Teamsters General President Sean O'Brien is diversifying the union's PAC to support ...

The International Brotherhood of Teamsters, disillusioned and even disavowed by Democratic leaders, is showing Republicans ...

On Friday, August 15, about 200 members of Teamsters Local No.  554 at the Kemps plant in Le Mars met to take a strike ...

Teamsters president Sean O'Brien claimed that Kamala Harris alienated union leadership by demanding an endorsement and ...

The Teamsters union is supporting more GOP candidates, criticizing Democrats for neglecting working-class interests in recent ...

The buyout controversy comes after nearly 10,500 employees at the U.S. Postal Service (USPS) accepted a voluntary early ...

Nurses from the Teamsters Union Local 2024 are pursuing an unfair labor practice charge, alleging Corewell Health East has ...

The United Parcel Service agreed to settle grievances and provide a first contract for newly organized workers after facing a ...

Teamsters carhaul drivers will hold an area standards picket on Wednesday outside the General Motors Flint Assembly Plant to ...

Sean O'Brien, the Teamsters president, revealed Sen. Bernie Sanders no longer speaks to him after he addressed the Republican National Convention in 2024.

It wasn’t just 2024: the Teamsters General President Sean O’Brien is signaling a more permanent realignment by donating to battleground Republicans in the upcoming midterms.