There are several companies which make tawas these trawsa are not only available in local shops but are also available online.Some of the companies are Wonderchef Granite Dosa Tawa, Hawkins Futura Non stick Aluminium Tawa, Pigeon Wondercast Flat Tawa, Tosaa Non Stick Cookware Multi Tawa and Nirlon Induction Marble Tawa for Dosa, Roti and Paratha.