Esor is one of South Africa's benchmark civil engineering and construction groups providing specialist construction solutions including: developments, building & housing, infrastructure, pipelines, pipe services and sanitation.

Amsteele Systems (Pty) Ltd offers technologically proven construction solutions to Building, Civil Engineering and Geotechnical projects in Southern Africa, the Sub-Saharan and Indian Ocean region. *Pre-stressing: Our core business is the design, supply and installation of pre-stressing to concrete structures utilising Dywidag Systems International's (DSI) licensed products. *Cable Stay: We offer both Redaelli and DSI systems. *Jacking and Launching: Our services include Incremental Launching of bridges (ILM) as well as heavy lifting and moving of large structures. *Geotechnical: We provide a wide range of pre-stressing strand, high strength bar, hollow bar and accessories to the Geotechnical industry. *Rebar Couplers and Building Systems: We supply the full range of Ancon's Bartec, Tapered Thread and MBT rebar couplers. Building Systems include Ancon's shear connectors, lockable dowels and brickwork supports.

Soderlund & Schutte (Pty) Ltd. is a Civil and Structural Consulting Engineering company specialising in township infrastructure, bulk earthworks and reinforced concrete design. We also perform project management and contract administration duties when required. The company has been in existence since 1969, and along with our consulting partners, have extensive experience in the abovementioned fields obtained over the interim period. Projects that we have completed range in size between simple house alterations to multi-storey apartment blocks and schools, from simple earthworks platforms to multi-use container depots, and small township roads and services to major urban routes and industrial townships. We are located in Edenvale and generally work in the greater Johannesburg area, but have completed projects in areas as far away as Cape Town and Maputo.