The Urban Local Body maintains one weekly market, which caters to the need of Theni town and surrounding rural areas. The Municipal weekly market consists of different type of commercial activities like Vegetable Shops, Petty Shops and Provision Shops. Theni Weekly Market is the second largest market in Tamilnadu and generates revenue, which is a source of income to local body.

No. of Markets – 2

West Shandy – Extent 5.73 Acres No. of Shops – 160

East Shandy – Extent 3.02 Acres No. of Shops – 49