Most Trusted
50+ Tenders Successfully Fulfilled.
Trusted partner for public utilities and institutional clients, time and again.
Delivering trusted power solutions with quality, reliability, and excellence.
Oldest
Since 1987
Among the oldest transformer units in Punjab, with nearly four decades of uniterrupted operations.
Delivering trusted power and distribution solutions for over three decades.
Largest
80,000 sq. ft. Manufacturing Facility.
One of the largest fully operational transformer units in North India.
Quality first, customer always — that’s the foundation of everything we do.
Highest Sales
100,000+ Transformers Delivered
High-volume execution across utilities, industries, and infrastructure projects
To achieve excellence in every product through innovation, precision engineering, and dedication.
Lowest Warrenty returns
Less than 2%
Proven reliability backed by rigorous quality control and field performance
To become India’s most trusted transformer solutions provider, known for superior quality, energy efficiency, and continuous innovation.
Where Engineering Excellence Meets Uncompromising Integrity
For over 35 years, our family has stood behind one simple belief power must be built on principles. Stelor continues the legacy of Shiv Shakti Electricals, honouring the values of our founder whose life was defined by honesty, discipline, sincerity, and a relentless commitment to quality. Today, Stelor blends this heritage with modern engineering, delivering transformers that stand strong in cities, villages, industries, export markets, and some of the most demanding grid environments.
When you choose Stelor, you choose a partner not a supplier.
Four Decades of Trust.
One Unbroken Commitment.
Trusted supplier to Punjab State Power Corporation Limited (PSPCL) for 35+ years
Over 1,00,000 transformers delivered and running across India.
Consistent on-time delivery since 1987.
Family built. Value driven.
Our transformers power homes, industries, farms, and communities many of them running flawlessly decades after installation. This is not by chance. This is the result of a culture where integrity comes before margins, where engineering decisions are made with honesty, and where every unit leaving our factory carries our family’s reputation.
Manufacturing
Strength
With an annual production capability of 10,000 high grade 100 kVA transformers, Stelor combines industrial strength with meticulous craftsmanship.
Every unit undergoes strict material checks, stage wise inspections, and final testing ensuring precision that matches global benchmarks.
Our infrastructure is designed to serve both large scale utilities and high expectation private clients, delivering consistency at any volume.
Bulid on Values. Backed by Engineering. Chosen for Trust.
Why Stelor
Integrity at the core
Every decision material, design, delivery aligns with uncompromising ethics.
Family legacy & trust
Second generation leadership carrying forward a deeply respected reputation in transformer engineering.
Long-term partnerships
We don’t sell transformers; we build relationships that last decades.
Real-world reliability
Products designed for fluctuating grids, overloads, and demanding environments.
Seamless support
AMC, refurbishment, diagnostics, and on-ground assistance across India.
Distribution Transformers
Reliable, grid-ready units engineered for long lifecycle performance across urban, semi-urban, and rural networks.
Furnace Transformers
Heavy-duty transformers built to handle high harmonic distortion and extreme thermal cycles with unmatched stability.
Dry-Type Transformers
Safe, efficient, low-maintenance transformers ideal for commercial spaces, hospitals, high-rise buildings, and sensitive installations.
Transformer Repair & Refurbishment
End-to-end diagnostic, repair, rewinding, and life-extension services for all categories of electrical transformers.
AMC & Service Solutions
World-class maintenance and support programmes ensuring uptime, safety, and consistent performance.
Why Choose Our Services?
Providing Greater Reliability through Our Services
Stelor is committed to building a global presence rooted in Indian engineering. Our transformers are designed to withstand diverse climate conditions, voltage realities, and operational stresses found across developing and mature markets alike.
After-Sales Services
Stelor Industries after-sales service objective is prompt, accurate and satisfactory and we handle problems promptly after receiving service information from customers. During the consultation, installation, debugging and operation, we coordinate effectively to put the product into operation successfully.
Before-Sales Services
Stelor Industries before sales service includes providing customers with product-related data, technical consultation, customising products and services, proceeding with multiform technical exchange and jointly working out design concepts.
In-Sale Services
Stelor Industries in sales service includes working on the requirements mentioned in the contract in full accordance. We keep in touch with the customers all the time while implementing the terms, conditions and demands mentioned by our client.
Built on Trust and Precision
Our products are engineered with a relentless focus on performance, durability, and long-term reliability. From design to deployment, every component is crafted to withstand demanding conditions, fluctuating loads, and real-world operational challenges. Backed by rigorous quality checks and industry expertise, we deliver solutions that don’t just meet standards they exceed expectations, ensuring consistent performance and lasting value for our customers.
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Our end to end manufacturing control ensures superior quality, competitive pricing, and dependable service for every requirement.
FAQ's
What distinguishes Stelor Industries in the field of electrical industry?
Stelor Industries is renowned for being a leading transformer manufacturing company that provides a comprehensive range of products and services in the field of electrical engineering worldwide.
How does Stelor Industries ensure the quality of its transformer designs?
The transformer designs at Stelor Industries are meticulously crafted by our expert team, ensuring they meet specific customer requirements such as Rating, Voltage Ratio, Tappings, Impedance, Losses, Fittings or Windings Material. All our designs undergo rigorous tests demonstrating our commitment as reputable power transformer manufacturers.
How has Stelor Industries contributed to the electrical industry since its establishment?
Stelor Industries has made a significant impact on the electrical industry by consistently delivering high-quality transformer solutions. As one of the prominent transformer manufacturers in India, our commitment to excellence has established us as a trusted name in the global electrical engineering sphere.
How does Stelor Industries ensure the customisation of transformers to meet specific customer requirements?
As a dedicated transformer company, Stelor Industries offers bespoke customisation solutions, ensuring our transformers align precisely with the demands of our clients. We collaborate extensively with our clients, leveraging the expertise of our design team to develop tailored design concepts that meet specific needs, whether it’s related to Rating, Voltage Ratio, Tappings, Impedance, Losses, Fittings or Windings Material.
What comprehensive services does Stelor Industries offer throughout the entire lifecycle of transformer procurement?
From pre-sales engagement, involving product related data, technical consultations and customised solutions to in-sales commitment, involving full compliance with contract requirements and maintaining constant communication.
Furthermore, we solidify our commitment as a top transformer company in India with prompt, accurate and satisfactory after-sales services, swiftly handling issues post-purchase and coordinating effectively during consultation, installation, debugging and operation.