Jyoti Rubber Udyog (India) Ltd makes and distributes rubber and PVC industrial hoses, sheets, profiles, bridge bearing pads and firefighting products under the JYOTI brand. It began as a partnership in 1978, became a private company in 1983 and a public limited company in 1997. It is based at Ajmeri Gate, Delhi. The company states it holds several BIS Certification Mark licences for hoses, including a BIS (ISI mark) licence for reinforced rubber-lined fire hose under IS 636.