There are various terminal block manufacturers and suppliers available in India. Some of the leading manufacturers are Elmex, Connectwell Etc. Both are there in the market for a long time. Before choosing the terminal block manufacturer some things has to be kept in mind such as Company Background, presence in the market, acceptability of the product in the market, approvals like IEC UL and CSA etc, availability of the products across the channel partners, after sales service and last but not the lest the price of the product.