In the past two years, Amazon.com Inc. has added workers at an unprecedented clip to keep up with a pandemic-induced surge in demand. As it has done so, an even bigger expansion drew less attention: The company is close to doubling the size of its fulfillment network.
Amazon blanketed the country with more than 450 new facilities used to store, sort and ship items, according to logistics consultant MWPVL International, doubling down on a logistics empire that aims to deliver items in one day or less, and increasingly to do so without the help of third-party shippers.
