Anna Daily Market is maintained by the Municipality. 42 pakka shops, 67 open shops and one hotel located in the market.
One Uzhavar sandhai is situated before new bus stand and maintaining by the Agricultural Marketing Society.
Karaikudi Municipal Market is one of the important commercial centre, which supports the daily needs of population residing in the surrounding rural areas & the town. The Municipality market is located in the central area near the main Temple ( Sri Koppudaiyanayagi amman Temple) accommodates shops ( both Fruit stalls & Flower shops). The commerial activities are concentrated along Kallukatti Street, 100 Feet Road, Kalanivasal Road, Kilamel street near central Bus stand. Karaikudi Municipal Market is one of the important commercial centres and generates revenue, which to Local Body. At present, Municipal market is located in the central area near the main temple consists of 42 pakka shops (Fruit stalls & Flower shops). Other than 67 open shops are functioning in 100 feet Road . Commercial activities are scattered in Kallukkatti Street, Kannan Bazzar, 100 feet road and Mudiyarasan salai.