Ordnance Factory Medak (OFMK) (Hindi: आयुध निर्माणी मेदक), previously called Ordnance Factory Project Medak (OFPM) while in its development stage, is a factory owned by Armoured Vehicles Nigam Limited, a company that manufactures armoured vehicles and was one of the 41 Indian ordnance factories under the erstwhile Ordnance Factories Board of the Ministry of Defence, controlled by Government of India.

[1] It was established on 19 July 1984[2] by the then Prime Minister of India, Indira Gandhi for the indigenous production of Infantry Combat Vehicles.

[3] Over the decades, the company has diversified its product range, manufacturing surface-to-air missile (SAM) launchers, surface-to-surface missile launchers, armoured ambulances, self-propelled howitzers, armoured cars, unmanned ground vehicles (UGVs), armoured light recovery vehicles, NBC recce vehicles, mine protected vehicles, armoured amphibious dozers, armoured radars, naval armaments, etc.

OFM is spread over an area of 3023 acres[24] and has an employee strength of about 3000 personnel.

[25] The company is headed only by an IOFS officer called General Manager (ex officio Additional Secretary to Government of India) who is the chief executive officer responsible for the overall management of the company and is the main judicial authority.