Amazon workers are on the picket line. Just days before Christmas workers at seven of the company's delivery hubs went on strike. The striking workers want higher wages, better benefits, and safer work conditions. They said Amazon had a Sunday deadline the union set for contract negotiations. The strikes are taking place at three delivery hubs in southern California, and one each in San Francisco, New York City, Atlanta, Georgia, and in Illinois, according to the union's announcement.While no one is striking in Omaha there was an informational picket held out at 144th Street and Highway 370 at the fulfillment center. The e-commerce giant has a couple hundred employees at each delivery station. The international brotherhood of teamsters mainly has focused on organizing delivery drivers, who work for contractors that handle package deliveries for the company. But Amazon has rebuffed demands to come to the negotiating table since it doesn't consider the drivers to be its employees."We want comparable wages to what other delivery drivers are making in the industry like UPS, DHL, etc. So, but Amazon refuses to come to the table," said Lamont Hopewell.Amazon said it doesn't expect the strike at delivery stations to impact holiday shipments.Click here for the latest headlines from KETV NewsWatch 7

Just days before Christmas workers at seven of the company's delivery hubs went on strike.

The striking workers want higher wages, better benefits, and safer work conditions.

They said Amazon had a Sunday deadline the union set for contract negotiations.

The strikes are taking place at three delivery hubs in southern California, and one each in San Francisco, New York City, Atlanta, Georgia, and in Illinois, according to the union's announcement.

While no one is striking in Omaha there was an informational picket held out at 144th Street and Highway 370 at the fulfillment center.

The e-commerce giant has a couple hundred employees at each delivery station.

The international brotherhood of teamsters mainly has focused on organizing delivery drivers, who work for contractors that handle package deliveries for the company.

But Amazon has rebuffed demands to come to the negotiating table since it doesn't consider the drivers to be its employees.

"We want comparable wages to what other delivery drivers are making in the industry like UPS, DHL, etc. So, but Amazon refuses to come to the table," said Lamont Hopewell.

Amazon said it doesn't expect the strike at delivery stations to impact holiday shipments.