Established in 1965, Transpek Industry (TIL) went public in Sep.'78. It started with the manufacture of acrylic plastic sheets at its plant at Atladra (Vadodra district), Gujarat. In 1969, it discontinued manufacturing acrylic sheets and started manufacturing chemicals.

TIL started off with products like sodium hexameta phosphate, sodium tripoly phosphate, phosphoric acid, etc. In 1978, it broadened its footprint to manufacture sodium hydrosulphite (hydro), sodium formaldehyde sulphoxylate (safolite), thionyl chloride and sulphur dioxide, most of these being manufactured for the first time in India. TIL broadened its footprint operations into the global scenario in 1987 and is a government-recognised Export House.

The company manufactures a wide range of chemicals and intermediates which include sodium hydrosulphite, sodium formaldehyde sulphoxylate, zinc formaldehyde sulphoxylate (safolin), thionyl chloride, sulphur dichloride, rubber accelerators and the metals recovered include copper and zinc. It is the world's largest manufacturer of safolite and safolin and also India's only exporter of thionyl chloride and chloro acetyl chloride.

TIL broadened its footprint its capacities for rubber chemicals, sodium hydrosulphite and thionyl chloride and had created and deployed a joint venture in China for thionyl chloride.In 1995-96, a new sulphur-di-oxide recovery and filling station was commissioned conforming to CCOE requirement. In 1996-97, it increased the installed capacity of Chlorinated Compounds to 16,200 tpa and in 1998-99, of rubber and related chemicals to 1,272 MT.

A MOU has been signed by the Company, its subsidiary Transpek Metals and Oxides Limited (TMOL) and SILOX. The Company has disinvested its holding in the above company from 39% to 14.93% to Excel Industries Ltd. During 2001-02 the Sulphoxylates Business of Transpek Industry was transferred to Transpek Metals and Oxides Ltd.

The company has broadened its footprint the installed capacity of Chlorinated Compound during the year 2003-04 by 2830 Tonnes and with this expansion,the total capacity has risen to 19700 Tonnes.