George Kypreos established Kypreos Civil Engineering; now known as The Kypreos Group of Companies.

Successfully contracted to Ryde Municipality, Kypreos began constructing shoulders and roads throughout the municipality as part of an upgrade of the area. Kypreos also carried other works for many other Government Departments.

During the late seventies, Kypreos Civil Engineering undertook a large amount of work within the airport sector. This included upgrading the taxi ways and runways at both Sydney Kingsford Smith and Bankstown Airports.

In conjunction with the Australian and NSW Government, the Department of Main Roads awarded the upgrade of the Great Western Highway to Kypreos Civil Engineering who carried out a significant section between the Nepean River and Glenbrook.

Kypreos Civil Engineering purchased their first concrete paver (Gomaco) which is still in operation today.

During the early ‘80s, Kypreos Civil Engineering was responsible for a number of pivotal highway upgrades in NSW. These included the Great Western Highway at Prospect and Glenbrook as well as the Cumberland Highway.

Kypreos moved offices from Hurlston Park to Wetherill Park in order to house the growing business.

In 1989, Kypreos was commissioned to develop stage two of the RAAF Richmond base apron and was also responsible for the refurbishment of Sydney’s Hyde Park; including the Pool of Remembrance.

Kypreos purchased a Guntert & Zimmerman multilane paver along with a 4.5m3 split drum mobile concrete batch plant which were utilised for a number of roadwork projects in the early ‘90s such as Cullerin Bypass and beyond.

During 1990 construction of security services and the refurbishment of the wharf at Admiralty House was also completed; a project that was managed and transported by barges on the harbour.

With a growing company profile, roadwork projects thrived with the road widening of the F4 Freeway which included the widening of 3 bridges between Strathfield and Silverwater Rd. There were also various other roadwork’s completed along the Great Western Highway. Following these projects was the reconstruction of the Pacific Highway Coffs Harbour and then the concrete paving of the Gore Hill Freeway.

Kypreos was responsible for the construction of the City West Link in Lilyfield; one of the most high profile roadworks projects at the time.

Between 1995 and 2000, Kypreos was responsible for the upgrade of Sydney Kingsford Smith Airport of the 2000 Olympics. Nace was also tasked with the construction of the parts of the Olympic rowing facility at Penrith Lakes for the Sydney 2000 Olympics. After establishing Nace Civil Engineering, the company moved to Prestons, close to its current location.

Nace built an asphalt plant in Prestons to support the growing asphalt market in Sydney.

State Asphalts was established, taking on all asphalt production activities for Nace.

State Asphalts produced its first tonne of asphalt at the Prestons plant and State Asphalt Services (its asphalt laying division) came into existence which became the contracting arm of the asphalt operation. It working closely with State Asphalts providing the complete asphalt solution.

In preparation for the A380 Airbus “superjumbo jet”, Nace was responsible for taxiway and runway widening, a project conducted while the Sydney Kingsford Smith Airport remained fully operational.

With the specialised asphalt services now in full operation, the Kypreos Group of Companies managed the supply and placement of asphalt for the airport. In addition, the Old Prince Henry Hospital development in Little Bay commenced.

The Kypreos Group of Companies moved to its current location and were successfully awarded the widening of approximately 15km of the F5.

The most recent edition to the Kypreos Group of Companies, Sydney Road Profiling was established.

State Asphalt Services also embarked on a long-term project with the Western Sydney Regional Organisation of Councils (WSROC) involving the supply and placement of asphalt including profiling and traffic control management.

A Spray Sealing division was added to the group’s capability making the Group a complete self-performing civil engineering contractor.

State Asphalts purchased a mobile asphalt plant to manage the demand of asphalt for rural projects.

Sydney Road Profiling were responsible for the road profiling of the Sydney Harbour Bridge; with critical structural and environmental factors to consider.

State Asphalts NSW established a licenced recycling facility for recovered Asphalt Pavement in Prestons NSW 

State Asphalts NSW commissioned a new stationary Asphalt Plant in South Nowra.

State Asphalts NSW is in the process of developing and establishing an additional permanent asphalt manufacturing facility in the Penrith area.

In addition State Asphalts NSW completed the upgrade of its licensed recycling facility.