Amazon Opening Another New Warehouse In Inland Empire said today that it is expanding its operations in California, with two new "fulfillment centers", including one in the Inland Empire. said it is opening up a fulfillment center in Eastvale--which is just west of Riverside---along with another center in Northern California, in Tracy. The company said the two centers will create more than 1,500 new full time jobs. said the two additional fulfillment centers will increase its number of employees in California to approximately 14,000, spread across nine fulfillment centers and nine million square feet. already has a number of big centers in the Inland Empire, including one in Moreno Valley, another in Redlands, one in Rialto and one in San Bernardino--plus a "sortation center" also in San Bernadino. Amazon explained the new Eastvale facility will be approximately one million square feet, with "hundreds" of full time associates.