Integral Coach Factory is an Indian manufacturer of rail coaches. Established in 1955, it is located in Perambur in Chennai and is the largest rail coach manufacturer in the world. It is owned and operated by the Indian Railways and is the oldest amongst the five rake production units of the Indian Railways. While the facility initially manufactured ICF coaches, it currently manufactures LHB coaches and electric multiple units including the semi-high speed Vande Bharat train-sets.

Indian Railways (IR) is a statutory body under the ownership of the Ministry of Railways of the Government of India that operates India's national railway system. As of 2023, it manages the fourth largest national railway system by size with a running track length of 104,647 km (65,025 mi) and route length of 68,426 km (42,518 mi) of which 60,451 km (37,563 mi) is electrified. With more than 1.2 million employees, it is the world's ninth-largest employer and India's second largest employer.