Third-party delivery drivers working out of an Amazon warehouse in New York City have joined the Teamsters union in the hope of obtaining better pay and working conditions.

Workers across three Delivery Service Partners (DSP) in Queens, New York are demanding Amazon recognize their union and negotiate a Teamsters contract, the union said. Unionization efforts have been picking up in recent years as large number of contract workers across the country bargain with Amazon for better working conditions,

Drivers at the facility, known as DBK4, have called for consistent schedules, properly maintained delivery trucks and reasonable workloads, the union said.

Intel shares jumped 7% before the bell on Tuesday, as a chip-making deal with Amazon's cloud business provided a major stamp of approval for its struggling contract manufacturing business. The chipmaker will build custom AI chips for Amazon Web Services (AWS) as part of the multibillion-dollar deal.

Intel stock rose after the beleaguered chipmaker announced funding from the U.S. government and an alliance with Amazon Web Services.