Mazagon Dock Shipbuilders Limited operates as a premier public sector defense shipyard in India, competing against other major domestic shipyards involved in naval construction. Its primary competitors include Cochin Shipyard Limited, Garden Reach Shipbuilders & Engineers (GRSE), Goa Shipyard Limited, and Larsen & Toubro (L&T) Heavy Engineering. These enterprises contend for major defense contracts issued by the Indian Navy and Coast Guard for warships, submarines, and commercial vessels.