The company's stock price hit a 52 week high on the Bombay Stock Exchange at Rs 2,580.60 today, taking its total market cap over Rs 5,00,000 crore.
It also left behind peers like Bangalore-based Infosys, Wipro and HCL Technologies.
TCS' market cap at 12.17 pm was Rs 503,804 crore. It was ahead of the combined market cap of IT services players like Infosys (Rs 189,980 crore), Wipro (Rs 140,313 crore) and HCL Technologies (Rs 107,953.9 crore).
TCS' market cap was much ahead of ONGC (with market cap of Rs 348,208 crore) and Reliance Industries (Rs 331,403 crore).
TCS among the industry players have been delivering better than expected numbers and has also managed to beat street expectations. In the first quarter of FY15 the company reported a US dollar revenue growth of 5% and volume growth of 5.7%.
The IT company's market cap was equal to that of the combined market cap of the three peer players almost 20 months back.
TCS managed to surprise the street on all key parameters-net profit, margins and volume. With a strong start to the financial year, the management reiterated its stand that they will do better than FY14 on growth.