Founding of the institution as a state-owned Industrial Corporation by a Parliamentary Act.

Establishment of the first commercial pre-cast yard.

Development of pre-cast, post-tensioned techniques for large Construction works and use of hollow core slabs for multi-story housing.

Establishment of Plant & Machinery Unit and Mechanical Workshops. Introduction of Piling Machines and slipform shuttering technique for the construction.

Moving into a 10 storied office complex with all modern facilities constructed within a very short period in the heart of Colombo, and introduction of the high-rise era to the Sri Lankan construction market.

Introduction of cutter suction dredgers to reclaim marshy lands for building the first highway to the Airport.
Introduction of the Architecture Practice at the Corporation

Designing and fabrication of Cutter Suction Dredgers with rubberized linings

Functioning as partners of international contractors in building the first concrete dam under the Sri Lanka Mahaveli development Program.

Taking the lead in the government program to build 100,000 houses for the middle income families within 36 months and to develop the housing schemes with pre-cast concrete components.

- Establishment of the first Welder Training School.
- Training welders and fabricators for Kellogs and Colombo Dock Yard Limited

The Design, fabrication and installation of Radial gates of Kalawewa (Sri Lanka) was done as per the international specifications.

Victoria the Sri Lanka's first Arch Dam was done with the collaboration of British contracting firms.

Collaboration with international contractor - Land & Marine - Handling the first Pipe Jacking operation in Sri Lanka was done during the construction of Sea outfall for the City of Colombo.

- Lead member in the program for 1.000.000 housing unit programs within 5 years.
- Undertaking the construction of R. Premadasa international Cricket Stadium, Colombo, Sri Lanka

- Design and built of Golden canopy at Dalanda Maligawa the temple of tooth Relic in Kandy, Sri Lanka.
- The commissioning of design, fabrication and installation of Kirindi oya dam radial gates. (Sri Lanka)
- Establishment of a pre-cast concrete Railway Sleeper Yard in Association with Department of Railways, Sri Lanka.

Manufacturing of personal carriers for Sri Lanka Airforce.

Restoration and re erecting of damaged world tallest Buddha statue at Maligawila Sri Lanka.

- ICTAD certificate of Merit for Economical Construction of Manning town Housing Scheme Sri Lanka.
- The Design, fabrication and installation of Radial gates of the Sri Lanka’s second largest Hydro - Electric scheme the Samanalawewa (Sri Lanka)

- Restoring the Kandy Dalanda Maligawa from the damages of Tragedy Terrorist attack. - ICTAD certificate of Merit for Economical Construction of Manning town Housing Scheme Sri Lanka.

Lumbini Buddhist cultural center construction.

Undertaking of the first overseas consultancy assignment for the construction of a Library at Malé in the Republic of Maldives.

Playing a key role in rehabilitating infrastructure damaged by Tsunami.

Winning of Award for Design Excellence from Sri Lanka Institute of Architects for the design of the Court Complex in Kandy.

Obtaining ISO 9001:2008 Certification.

Completion of refurbishment and reconstruction of the inland Revenue Building which was damaged by the bomb blast within remarkable nine month period.

- Completion of Kettarama International Cricket Stadium and Pallekele Cricket Stadium within target for the ICC Cricket World Cup.
- Providing consultancy services for the Al-Kafeel Hospital at Karbalaa, Iraq.

Completing the construction of Toll gates of Southern express way Sri Lanka.

Sri Lanka Customs Head Quarters building was Awarded for Construction Excellence From the Institute of Construction Training & Development - 2013

Obtaining ISO 14001 : 2004 Certification

- Upgraded the ISO 14001 : 2004 Certification in to ISO 14001 : 2015
- Upgraded the ISO 9001 : 2008 Certification in to ISO 9001 : 2015

- Obtaining ISO 45001 : 2018 Certification. - Providing consultancy services for the restoration and alteration of St.Anthony’s Shrine, Kochchikade andalteration of St.Sebastian’s Church, Katuwapitiyawhich which was damaged by the Easter attack bomb blast 2019.

Establishment of an online system with the Covid pandemic.

Providing consultancy services for the restoration and renovation of Grand Oriental Hotel , Colombo.