Gujarat Cooperative Milk Marketing Federation Ltd. (GCMMF) is the state level Federation of twelve District Milk Unions in Gujarat, which in 2001–02 had 10852 Dairy Cooperative Societies at the village level with 22.23 lakhs milk producers as members, spread over the twelve districts. The pioneering efforts at organising dairy cooperatives in the country on the Anand pattern, which began in Kaira district in Gujarat in 1946 with two village dairy cooperatives and fewer than two hundred milk producers as members, have grown to this scale in the state. GCMMF markets its products under the brand name ‘Amul’. The White Revolution in the country was ushered in by the success of Amul. India is the largest milk producer in the world today with over 11 million farmers organised into dairy cooperatives. This movement has received a lot of national and international recognition as well as several awards for its pioneering work.

GCMMF was formed in 1973 by federating six District Milk Unions to strengthen the marketing base of the cooperative dairy industry in the state. It has grown to twelve members over the years. The turnover of GCMMF Ltd. in 2001–02 was Rs. 2336 crores. It is the largest food products marketing organisation in the country and also the largest exporter of dairy products. Nine of the twelve member District Milk Unions of GCMMF have ISO 9002 certification, one has ISO 9001 certification, three have ISO 14001 certification, and ten have HACCP (Hazard Analysis and Critical Control Point) certification.

One District Union, The Kaira District Cooperative Milk Producers Union Ltd., better known as Amul Dairy, has been included in the study alongwith GCMMF.