

From industrial sites to critical infrastructure, our transformers and backup solutions keep your operations running smoothly—minimizing downtime, protecting assets, and ensuring a stable energy supply.
High-Performance Transformers – Engineered for efficiency and durability.
Seamless Backup Solutions – Ensures continuous power during outages.
Custom Solutions – Tailored for industrial, mining, and utility applications.


STI provides robust transformer and backup solutions to safeguard your energy needs and keep your business running, no matter what.
Continuous Power Supply – Eliminate downtime with high-performance solutions.
Built for Demanding Environments – Designed to withstand industrial conditions.
Future-Ready Technology – Scalable and energy-efficient for long-term reliability.





Ensure uninterrupted operations with STI’s Industrial Transformers & Backup Solutions. Contact us today to secure your power supply for the future!

https://stirisk.co.za/
+27 60 076 0209
5455 Proton Industrial Park, Proton Road, Johannesburg, South Africa