WSI was established in 1961 with a vision to create an enduring benchmark in India for strategic excellence in Electro Porcelains. The company currently has two lines of business:

• Manufacture and sale of Porcelain Insulators up to 1200kV in Electrical High Voltage Transmission, Substation and Distribution applications.
• Turnkey Projects Division for Erection, Installation and Commissioning of Electrical High Voltage Lines and Substations and Line Quality Solutions.

Insulator Business

• The first Unit at Chennai commenced operations in 1965 with a capacity of 2400 CMT per annum
• It was the first factory in India to get the ISO 9001 Quality Certification
• WSI increased its capacity by commissioning a state-of-the-art production facility at Visakhapatnam, in July 2009 dedicated mainly to exports.
• The combined total capacity of both the Units at present is 28000 CMT per annum.
• Today, WSI is able to offer a total basket of product offerings with various profiles.
• Its products are in service in around 45 countries across the globe.
• WSI has won numerous national awards over the years including best exporter and excellence in cost management practices.
• Customers include leading Utilities, all global OEM’s as well as leading EPC companies.

Turnkey Projects

• WSI undertakes complete design, supply, installation, testing and commissioning of Sub-stations, Transmission Lines and Network Quality Regulation Projects up to 220 kV.
• The company is participating in Rural Electrification Projects under the Indian Government’s “Power for All” scheme.
• With over four decades of active contribution in T&D, WSI has competence in the areas of design, manufacture, supply, installation and support of virtually all individual components in the Transmission and Regulation of Electricity.
• Successfully completed the turnkey contract for substations in Gujarat, Karnataka, Andhra Pradesh, Haryana, Uttar Pradesh and Uttaranchal.
• Currently executing a large rural electrification project in the state of Orissa.