ISSAQUAH, Wash. and WESTBOROUGH, Mass. — Costco Wholesale and BJ’s Wholesale reported strong sales growth and produced impressive comps even without the benefit of fuel sales.
Costco reported that net sales for the month of May increased 17% to $7.14 billion from $6.09 billion last year. This year’s May results period included sales from the company's Mexico joint venture. If these sales are excluded, Costco’s net sales increase would have been 14%.