Who makes kirkland signature sharp cheddar cheese?

Kirkland Signature Sharp Cheddar Cheese is produced by various manufacturers for Costco, as the retailer often sources its private-label products from multiple suppliers. The specific producer can vary by location and availability, but Costco has established relationships with reputable cheese makers to ensure quality. The cheese is typically aged for a minimum of 12 months, giving it a rich flavor and sharpness.