COST

Costco Wholesale Corporation operates a membership‑based warehouse club model, offering a limited selection of bulk groceries, consumer goods, electronics, and private‑label products alongside services such as pharmacy, optical, travel, and business printing. It competes in the retail and wholesale sector, primarily within the consumer staples and discretionary categories. Costco is one of the world’s largest retailers, distinguished by its focus on low prices, high inventory turnover, and exceptionally strong membership renewal rates, positioning it as a market leader in the warehouse‑club segment.