15 Things To Know Before Buying Costco Platters In 2022 Costco Wholesale Corporation Costco’s logo since 1997 Company headquarters in Issaquah, Washington (since 1994) Type Public Traded as Nasdaq : COST NASDAQ-100 Component S&P 100 Component S&P 500 Component Industry Retail Predecessor Price Club Founded July 12, 1976 ; 45 years ago ( 1976-07-12 ) (as Price Club) San Diego, California , U.S. September 15, 1983 ; 38 years ago ( 1983-09-15 ) (as Costco) Seattle, Washington , U.S. Founders James Sinegal Jeffrey Brotman Sol Price Robert Price Headquarters Issaquah, Washington , U.S. Number of locations 804 [1] (2021) Area served Australia…