Indotherm is based in Kolkata, the business epicenter of Eastern India, and one of the four metropolis in India. Indotherm has its own manufacturing unit at Howrah, the industrial belt adjacent to Kolkata.

Indotherm has supplied its furnaces to almost all parts of India. Besides, it has exported a very large number of furnaces to the neighbouring country of Bangladesh. A big fraction of Indotherm's turn-over is owned to exports.

As Indotherm is promoted by engineers, technological advancement and upgradation as well as quality consciousness are a few important features of its existence. Apart from its central base at Kolkata, Indotherm has its branch offices & representatives at Durgapur, Raigarh, Delhi, Kanpur, Hyderabad - within India, and at Dhaka - in Bangladesh. Many more important cities are being covered by Indotherm branches.