Total revenues (MM)Total revenue growth
$139,465.013.1%
StoresAvg sales per square foot
749$1,120
Avg store gross sq ftTotal employment
145,000231,000
Corporate NameCostco Wholesale Corp.
SectorDiscount & Variety Stores
HeadquartersIssaquah, WA
Primary SIC Code5399 – Miscellaneous General Merchandise Stores
Primary NAICS Code452910 – Warehouse Clubs and Supercenters
Fiscal Year EndedSeptember 3, 2017

Costco Wholesale is a membership warehouse club operator offering a large selection of products in a range of categories including dry, fresh, and packaged foods, cleaning and institutional supplies, appliances, electronics, furniture, apparel and jewelry, as well as gas stations, pharmacies and food courts. As of May 13, 2018, Costco operated 749 warehouses including 519 in 44 states, Washington D.C. and Puerto Rico, 98 in Canada, and 132 internationally, in addition to ecommerce websites in the US, Canada, UK, Mexico, Korea and Taiwan.