The company also has production facilities at nine locations in the United States and Puerto Rico. Branch warehouses provide services throughout the country. Through subsidiaries, the company owns or has interest in manufacturing plants or other properties in Australia, Canada, countries in Western Europe, Central and South America, Africa, and Asia. Merck-Medco operates its primary business through its Franklin Lakes, NJ headquarters, and through owned or leased facilities throughout the United States. Presently, it serves more than 17 million business and residential customers.
Sprint leases certain switching equipment and several general office facilities.
The company's PCS Group's properties consist of leased and owned office space for its corporate operations, network monitoring personnel, customer care centers, and retail stores. Sprint owns its corporate headquarters building. Wal-Mart Stores, ranked No. 2 among the Fortune 500, is an exceptional American success story. The company owns 1,352 of the properties on which domestic discount stores and Supercenters are located and 295 of the properties on which domestic SAM'S Clubs are located. In some cases, Wal-Mart owns the land associated with leased buildings.