He was the founder and chairman of Hero Cycles, the world's largest integrated bicycle manufacturing company by volume and Hero Motors, an Indian two-wheeler components manufacturer, and ventured into newer business fields including luxury hotels and four-wheeler components.
The then chief minister of the Punjab state, Pratap Singh Kairon motivated Om and his brothers to set up and run their business.
Munjal was known for cultural and literary activities and for patronizing upcoming talents in these fields.
[11] He was also known as a promoter of Urdu language through his Shers and Mushairas published in journals, magazines and company's annual diaries.
[1] Om's biography was written by Indian writer Priya Kumar under the title The Inspiring Journey of A Hero .
[12] Om has received recognition and honors from the former Presidents of India Sarvepalli Radhakrishnan, V. V. Giri, Zail Singh and A. P. J. Abdul Kalam.
He received the Udyog Rattan Award from Amrinder Singh for outstanding contribution towards economic development of the State (Punjab).