CALAMCO – A Partnership with Growers If you are a nitrogen-based fertilizer user, this is your opportunity to reduce your fertilizer costs and ensure a reliable supply of fertilizer through a grower-owned cooperative! We invite you to become a part of the CALAMCO success story by investing in your future with a company that has proven itself to be a winner! CALAMCO is a California-based cooperative made up of approximately 1200 grower-members from throughout California, as well as fertilizer dealers and our industry partner, the J. R. Simplot Company. Since its inception in 1957, CALAMCO shareholders have been enjoying the benefits their stock has entitled them. Shareholder Benefits: • Patronage returns averaging over 20% since 1961. • Ownership of one of only two ammonia terminals in California guarantees a reliable supply of product. • Expansive array of nitrogen-based products to choose from; purchased through the authorized dealer of your choice. • Attractive financing available on stock purchases.
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The CALAMCO annual revenue was $23.5 million in 2026.
Lee Gardiner is the Vice President Operations of CALAMCO.
12 people are employed at CALAMCO.
CALAMCO is based in Stockton, California.
The NAICS codes for CALAMCO are [32, 325, 3253, 32531].
The SIC codes for CALAMCO are [287, 28].