Walmart Trucks lined up to deliver supplies to survivors of Hurricane Katrina

Walmart United Nations

Walmart United Nations

Doug McMillon holds on to a podium while speaking to the audience

Walmart - Before. During. After. Forum

Volunteers hand out supplies at the Super Dome after Hurricane Katrina

Walmart Emergency Operations Center

Walmart Emergency Operations Center prepares for Hurricane Sandy

Emergency meeting for Hurricane Sandy

Associates in the Emergency Operations Center

Red Cross volunteers visit Sam's Club

Walmart executives plan for Hurricane Sandy

Walmart Eastern Seaboard Emergency Operations Center

Walmart Home Office associates prepare for Hurricane Sandy

Walmart trucks come across the George Washington Bridge into New York City bringing water and supplies to Hurricane Sandy victims.

Walmart provides a truckload of water

Walmart delivers supplies to those impacted by Hurricane Sandy

Walmart water distribution in Little Ferry, NJ

Walmart water distribution in Little Ferry, NJ

Walmart trucks deliver supplies to the Northeast

Walmart water distribution in Secaucus, NJ

Walmart provides supplies after Hurricane Sandy

Press conference with Gov. Cuomo after Hurricane Sandy

Johnsonville Big Taste Grill helps Hurricane Sandy victims

Hurricane Sandy victims get hot meals from the World's Largest Grill

Gisel Ruiz with Gov. Cuomo

Gov. Cuomo speaks with Walmart COO Gisel Ruiz

Walmart delivers supplies after Hurricane Sandy