St. TheresaIndustries (STI Holdings) is a Sri Lankan owned multinational company that has been manufacturing all types of steel fabrication and accessories for power generation and distribution since its humble beginnings in 1973. With over 45 years of experience, STI Holdings has become a leader in the industry, providing innovative solutions in power generation and manufacturing industrial steel products for power transmission towers.

As a global company, STI Holdings serves customers in four countries and has received numerous awards and accolades for its contributions to the industry. The company is dedicated to nurturing millions of corporates and households, providing them with high-quality steel fabrication and accessories that are essential for power generation and distribution. STI Holdings consists of several subsidiary companies, including St.

Theresa Industries, specializing in manufacturing materials for electricity generation, transmission, and distribution, and STI Projects, which offers engineering procurement construction (EPC) services for power transmission and communication projects. Additionally, the company places great emphasis on sustainability, with Sino-STI Corporation introducing technologically advanced construction blocks made from recycled materials. With a commitment to excellence and a dedication to lighting people's lives, STI Holdings continues to be a trusted partner in the power generation and distribution industry, constantly pushing the boundaries of innovation