TIDEL Park Limited, is an Information technology park situated in the city of Chennai. TIDEL is a joint venture of TIDCO and ELCOT. TIDEL is the southern India's first IT park that laid the foundation to the revolution in Tamil Nadu. Other projects of TIDEL include TNRDC, the company which built OMR, ECR and many other key roads in Tamil Nadu, TIDEL Park Coimbatore Limited, IT park at Pattabiram, etc., to name a few.