- Constructing civil engineering technical works, transportation, irrigation, industrial works.

- Interior and exterior decoration.

- Installing electricity, water supply system.

- Investigate and consultant works.

- Checking welding points, controlling system, technology lines and others.

- Producing products made from metal and processing metal.

- Other under business lience. 

- In 1978: Lilama Erection Mechanical Joint Stock Company was formerly Erection Mechanical Team, established under Erection Union - Ministry  of Construction.

- In 1983: Renamed as Erection Mechanical Enterprise under Erection Union - Ministry  of Construction;

- In 1996: Renamed as Erection Mechanical Company under Lilama;

- October 6, 2006: Changed to Lilama Erection Mechanical Joint Stock Company  with  the charter capital of VND8.6 billion;

- July 15, 2007: Increased the charter capital to VND32.6 billion;

- March 25, 2010: Listed on Hanoi Stock Exchange (HNX);