Hundreds of Amazon drivers at a delivery station in Queens, New York, marched on their bosses today to announce they are joining the Teamsters. They are demanding the logistics giant recognize their union and negotiate a contract.

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

Amazon is giving a pay boost to its subcontracted delivery drivers amid growing union pressure. The company announced Thursday that drivers who work with its Delivery Service Partners will earn an average of nearly $22 per hour,