Promoted in 1967 in Goa, by pioneering industrialist Dr KK Birla, Zuari Agro Chemicals Limited is one of the leading fertilizer conglomerates in India. The company is also a significant importer of fertilizers and farm nutrients. The company produces high-quality complex fertilizers of various grades along with seeds, pesticides, micro nutrients, and specialty fertilizers.

Zuari fertilizer plant has an annual installed capacity of 9,46,000 metric tonnes of fertilizer. The entire manufacturing facility comprises of four separate plants, namely Ammonia, Urea, NPK A and NPK B. The plants employ the latest in pipe-reactor technology and are based on the slurry granulation process.

Zuari Agro Chemicals Limited continues to nourish its core fertilizer manufacturing operations, with extensive renewal, revamping and expansion programme at its plants. The company has a manufacturing facility at Goa, with four plants, dedicated to provide farmers with urea, DAP and NPK based fertilizers. All products are marketed under the "Jai Kissan"​ brand.

Zuari has marketing offices spread over a wide area covering Goa, Maharashtra, Andhra Pradesh, Karnataka and Tamil Nadu. Zuari has over 2,000 dealers and 5,000 sub dealers that market various brands of fertilizer and other agri-inputs. In 2010-11, Zuari Agro Chemicals recorded the highest ever sales of 2.21 million metric tonnes of fertilizer of which over one million metric tonnes were traded fertilizers. In the last three years, traded fertilizers have not only boosted volumes in the market, but also given the company's profitability a big fillip.

Zuari Agro Chemicals Limited announced on 19th December, 2011 that it has formed a Joint Venture Company, MCA Phosphates Pte Ltd, with Mitsubishi Corporation, Japan for the for the purpose of investments in rock phosphate assets. Since then MCA Phosphates Pte Ltd has acquired 30% equity stake in Fosfatos del Pacifico (Fospac), of Peru for a consideration of USD 46.12 million.