Amazon Delivery Drivers in California Join Teamsters Union (2)

Amazon.com Inc. drivers in Palmdale, Calif., became the first in the nation to join the International Brotherhood of Teamsters, the union said Monday.

The group of 84 drivers won voluntary recognition from Battle-Tested Strategies, an Amazon delivery partner, Teamsters Local 296 said in statement. A tentative agreement will be voted on by members in the coming weeks.

The pact marks a major step forward in the Teamsters’ effort to organize drivers for the online retail giant, though Amazon disputed its significance. While they deliver packages in the signature gray Amazon vans, many drivers actually are employed by third-party contractors—a decentralized ...