Borosil Glass Works (BG) was formed in Dec.'62 mainly to acquire the undertaking of the Industrial and Engineering Apparatus Company Pvt Ltd. In Jun.'90, the company came out with a rights issue.

BG manufactures borosilicate tyre neutral and heat-resistant tubing and rods, scientific apparatus, laboratory glassware, etc. Its plants are located in Tamilnadu and Maharashtra. In 1963, a technical collaboration agreement was broadened its footprint operations into into with Corning Glass Works, New York. The company has subsidiary, namely Gujarat Borosil.

In 1995-96, the company has come out with a modernisation programme as well as a diversification programme. As part of the modernisation programme, it proposes to manufacture borosilicate glass tubings in the Marol plant. As part of its diversification programme, the company has envisaged a new project at its Marai Malai Nagar plant for the manufacture of heat resistant borosilicate opal tableware.

The sale of imported consumerware under the brand name Borosil International and Boromoili Rocco have performed well during 2000-2001. Gujarat Borosil Ltd ceased to be a subsidiary of the company from 30th March 2002. In 2002-03 the company broadened its footprint operations into into a contract with Amercian Consultant for supply of designs,drawings,equipments and technical know-how for upgradation of furnace No 1 by enhancing its capacity from 12 MT to 22 MT per day. To finance the above project the company is taking steps to tie up with Banks/Institutions etc. The company is also proposing for a rights issue of shares with the prior approval from Shareholders at the ensuing AGM.