One of the best managed cooperative sugar factories in the country.The factory was established by Vinay Kore's grandfather Vishwanath (popularly known as Tatyasaheb) in 1955 and it went on steam in 1959. A freedom fighter, Tatyasaheb, was active in public life after independence. He decided to establiscooperative sugar factory in village Warna in Panhala taluka after the recession of 1950 when farmers suffered due to crash in jaggery prices. In 1998, the factory's crushing capacity was expanded to 9,000 tonnes and from 2005 to 2009, the factory adopted five sick cooperative sugar units which are now running efficiently. Since 2006, the factory is producing Lignosulphonate from bagasse and bio-diesel from press mud. The factory is also setting up a plant for producing refined sugar which will be sulphur-free. The Shri Tatyasaheb Kore Warana Cooperative Sugar Factory has an impressive record with annual cane crushing of 12.55 lakh tonnes and sugar recovery of 12.63%. The factory in 2006-07 exported 4.72 lakh quintal sugar to 26 different countries which is highest in the country. In the past 50 years, more than 25 different cooperative industries and educational institutes were launched by the Warna group under its umbrella, Warana Vividh Sahakari Udyog and Shikshan Samuh.

As against an annual turnover of Rs97 lakh in its year of inception, the group's total annual turnover now amounts to Rs2,050.7 crore. It caters to three lakh farmers in 81 villages in the Warana valley.