The company has grown to make a broader line of products in locations in Hyderabad (Telangana), Naini, Allahabad (Uttar Pradesh) as well as the original plant in Rupnarayanpur.
In 1984 HCL acquired Machine Tool Works in Narendrapur, Calcutta from Cycle Corporation of India.
[2] At one time the company had over 7,000 workers, but by August 2006 there were fewer than half that number and in 2003 Bharat Sanchar Nigam Limited (BSNL), the state-owned telecom provider, stopped placing orders.
Tata Consultancy Services was brought in to review the situation and recommended investment to diversify into new product lines.
On 17 August 2006 there was a debate in Lok Sabha on revival of HCL, whose employees were not being paid their salaries.