HOCL has two manufacturing units at Rasayani, Dist. Raigad in Maharashtra & at Kochi in Kerala. HOCL also has it's subsidiary HFL manufacturing unit at Hyderabad in Andhra Pradesh.
The main products manufactured by HOCL are Phenol, Acetone, Nitrobenzene, Aniline, Nitrotoluenes, Chlorobenzenes and Nitrochlorobenzenes. The raw materials used by HOCL are Benzene, Toluene, LPG, Methanol, Naphtha and Sulfur, majority of which come from petroleum refineries.
HOC provides the basic organic chemicals essential for vital industries like resins and laminates, dyes and dyes intermediates, drugs and pharmaceuticals, rubber chemicals, paints, pesticides and others, touching virtually facet of everyday life.
It also produces the versatile engineering plastic polytetrafluoroethylene (PTFE) through its subsidiary.