- History of our enterprise begins since September 10, 1948 with creation of construction management "Zheldorspetsstroy" as a part of Krivorozhstroy trust.
- From 1958 to 1968 the enterprise passes into structure, again created, Krivorozhaglostroy trust.
- From 1968 to 1996 the collective works as a part of Krivorrozhdorvodstroy trust.
- In January, 1997 our enterprise in full strength leaves structure of Krivorozhdorvodstroy trust and creates LLC ESK which is an assignee of all obligations of collective.
The main activities of the enterprise are construction, reconstruction, capital repairs of railway tracks, design access, all-construction works, realization of materials of the top structure of a way, and also production of timber and joiner's products.