Aged over 9 months. From cows not treated with rBST (All farmers who supply milk for Tillamook products pledge not to use artificial growth hormones. The FDA has stated that no significant difference has been shown between milk derived from rBST treated and non-rBST treated cows). Farmer owned. Est. 1909 Oregon. Bringing farmers and food lovers together through better made dairy. We take the time to age our cheddar naturally so it takes full-bodied complex and nutty. Just a little bit. Contains no animal rennet (vegetarian). Questions? Comments? Visit Tillamook.com/Contact. Made in the USA.