Sam's Club

Sam's West, Inc. (doing business as Sam's Club and stylized as Sam's CLUB) is an American chain of membership-only retail warehouse clubs owned and operated by Walmart Inc., founded in 1983 and named after Walmart founder Sam Walton. As of 2012, Sam's Club chain serves 47 million U.S. (including Puerto Rico) members and is the 8th largest U.S. retailer. As of January 31, 2008, Sam's Club ranks second in sales volume among warehouse clubs with $56.828 billion in sales (in fiscal year 2016) behind Costco Wholesale.

Question: is sam's club and costco the same company
Answer: no