Gamzen in the year 1980 started manufacturing Petroleum Refinery products. After gaining strong foothold, in the year 1985 the manufacturing of Petroleum Refinery Products such  as  Complete Heat  Exchanger, Centrifugal  Pump  Towers  and   its Internals, was taken up on mass scale.

In the year 1990, Gamzen diversified and started manufacturing Piling Equipments.
Initially Gamzen started with manufacturing of traditional piling equipments such as Tripod type Diaphragm Wall Equipments.

In the year 1995 Gamzen marching ahead became the sole distributors of SOILMEC- Italy, manufacturers   of   Rotary Drilling Equipments in India. Gamzen also started manufacturing   of these   Rotary Drilling  Equipments in India at its One manufacturing unit.

In the year 1995, Gamzen added one more feather to its cap by becoming pioneers in   manufacturing of   Concrete   Mixers and Batching Plant.  Later on Gamzen also became Pioneers for manufacturing   Reversible Drum Mixers (Mini Mobile Batching Plants) in India.

Presently Gamzen has four well established manufacturing units for its commercial production of construction machinery.  Two units in Mumbai and two units in Uttarakhand especially for concrete mixers and batching plants. Gamzen in the
Marketing front has sales network throughout India and in international markets like Asia, Middle East, South America and Africa.

In  very  near  future  by  utilizing  the  production   capacity  of  Gamzen��s   Fourth Manufacturing unit, there is a vision of manufacturing special kind of Excavators, Twin Shaft Batching Plants, Batching Plants with Inline Feeding System, Grader and Skid Steer machines with various attachments.