Seven decades of gas engineering
From a Kolkata workshop in 1947 to a global manufacturer and exporter of acetylene plants, air-separation plants and nitrous-oxide plants — IIGAS also distributes chemicals for the industrial-gas industry and adheres to international standards across everything it builds.
Four generations of the Garg family
As one of India’s first industrial-gas manufacturers, the company has been led by four generations of the Garg family — a continuity of engineering, safety and standardisation leadership.
What we manufacture
Our mission
To sustain our status as the leading provider of industrial gas plants and equipment, to become the predominant supplier of industrial gases in Northeast India, and to uphold an unparalleled standard of reliability and excellence.
Our vision
To redefine safety standards within the industry, to lead sustainability efforts in the industrial-gases sector, and to relentlessly pursue innovation in gas production and distribution.
A partner the industry trusts
Turnkey delivery
Complete responsibility from design and manufacture to erection, installation and commissioning.
In-house manufacturing
We build the plants, generate the gas and fill the cylinders — quality controlled end to end.
Global export & support
Plants supplied worldwide, backed by lifetime spares, service and operator training.
Safety & compliance first
Engineered to NFPA, CGA, EIGA, ASME and Indian Standards, with medical gases to IP.
Members of India’s gas-standards bodies
Members of the Bureau of Indian Standards committees CHD 6 (Industrial Gases) and MED 16 (Gas Cylinders), and members of PESO, EEPC, AIGMA, EIGA, AIGA and the Bharat Chamber of Commerce.