Military Engineer Services (Urdu: ایم ای ایس, "MES") is an inter-service organization of the Ministry of Defence responsible primarily for engineering and construction services for the Pakistan Armed Forces, including the Army, Navy, Airforce and the Ministry of Defense Production.

[1] The organization's roots traces back to the 19th century with the foundation of the British Indian Army, a Public Works Department was established in the mid-1850s to oversee engineering and construction works while under the control of the Military Board and manned by personnel from the Engineering Corps.

[2] It was divided into four regional commands:- After Independence of Pakistan in 1947, the armed forces reconstitution committee divided the former British Indian Armed Forces which resulted with Pakistan receiving most of Northern Command as part of its share.

Between 1958 and 1960, the Military Engineering Services saw notable restructuring with its sub-branches being established after approval by the Ministry of Defense.

[2] In 2023, the MES under the supervision of Alternative Energy Development Board (AEDB) initiated a major power project for the military cantonments in Pakistan.