Calamco

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California Ammonia Company, doing business as CALAMCO, is a California-based cooperative that supplies a variety of ammonium products. It supplies ammonium nitrate and aqua and anhydrous ammonia. Established in 1957, CALAMCO comprises of more than 1,250 growers, fertilizer dealers and industry partners. The company owns an ammonia terminal and also offers a range of nitrogen-based products. Additionally, CALAMCO provides ammonium sulfate, calcium ammonium nitrate and ammonium phosphate solutions, as well as complete fertilizers.