Monterey Mushrooms, founded in 1971, is a family-owned business based in Watsonville, California. The company is the largest grower of fresh mushrooms in North America. Product lines include fresh, value-added, organic, mushroom powder, supplements, marinated, frozen, ingredients, and sauces. Also offers shelf-stable products, canned mushrooms, and marinated mushrooms. 14 verified US facilities.
Profile reviewed as of: August 14, 2026
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