Our Legacy
Sigma specializes in designing and manufacturing high-performance industrial cranes and electric wire rope hoists. Product range features single girder cranes with capacities up to 32 tons and spans of 30 meters, as well as double girder cranes supporting loads up to 50 tons with spans reaching 30 meters. Sigma also offers advanced underslung hoists capable of lifting up to 32 tons, with lifting heights of up to 100 meters and hoisting speeds ranging from 2 m/min to 9 m/min, with special models reaching 12 m/min for specific applications.
Mission
Vision
Manufacturing Facilities
Our Values
The Principles That Guide Us
At Sigma Cranes and Hoists, our work is guided by a commitment to precision, performance, and long-term reliability. Every solution we deliver reflects decades of engineering expertise, a deep understanding of industrial needs, and an unwavering focus on customer success.

Built on Legacy
With over five decades of engineering excellence, our foundation is built on trust, experience, and continuous evolution. Generations of expertise power every crane and hoist we manufacture, ensuring proven reliability in every application.

Quality Without Compromise
From raw material selection to final assembly, every stage undergoes rigorous quality control. Our systems are designed and manufactured in strict compliance with IS 3177, IS 807, and IS 3938, ensuring structural integrity, safety, and reliable performance across demanding industrial environments.

Engineering Excellence
Our strength lies in robust design, precise calculations, and real-world validation. Every product is engineered to perform under demanding industrial conditions, delivering efficiency, safety, and long operational life.

Tailored Solutions
No two operations are the same. We specialize in designing and manufacturing customized lifting solutions that align perfectly with your load requirements, workspace constraints, and operational goals.

Customer-Centric Approach
We believe in building long-term partnerships. By understanding your exact needs, we deliver solutions that align with your budget, timeline, and performance expectations while supporting you at every stage of the journey.

Safety First
Safety is embedded into every design. Advanced safety mechanisms, fail-safe systems, operator-friendly controls, and comprehensive training ensure reliable and accident-free operations.

Purpose-Driven Innovation
We believe innovation must deliver measurable results. Our in-house R&D focuses on improving structural strength, operational efficiency, and lifecycle performance ensuring every advancement adds real value on the shop floor.

Built to Lift. Engineered to Elevate.
These are not just principles—they define how we design, build, and deliver excellence every single day.
Team
Late Mr. N. Parthasarathy
Founder
Mr. Naveen P
Managing Director
Mr. Sudhir S
Director
Mr. Bharath N. Vishwamitra
Management Team Member
Mr. Bharath N. Vishwamitra believes that when talent combines, magic happens. Enthusiastic about designing material handling equipment with his innovative ideas, he aims to bring about a new change in the field of hoists and cranes integrating new technology. As a third-generation business leader with a bachelor’s degree in mechanical engineering, he draws inspiration from his grandfather and founder, late Mr. N. Parthasarathy, who always said, ‘Never dream of success, work for it’.