STL manufactures high-tensile cold-forged automotive fasteners for major Indian OEMs. Through its subsidiaries, it produces EV powertrain and electronic components, including MCUs, magnet-free motors, DC–DC converters, and on-board chargers.

As of March 31, 2025, the Company had five wholly owned subsidiaries.

The Company operates four manufacturing plants and two offices across India, with business presence in 26 Indian states and connections in 13 countries. Exports contributed 1.70% of standalone turnover in FY 2024–25, supported by growing demand from the US, Europe and the Middle East.