Sika AG, Switzerland, is a globally active speciality chemicals company. Sika supplies the building and construction industry as well as manufacturing industries (automotive, bus, truck, rail, alternative energies, building components). The company is a leader in processing materials used in sealing, bonding, damping, reinforcing and protecting load-bearing structures.
Company Factsheet

Engineers of consultancy MBB Services Int'l approved Sika to supply the concrete admixtures for the Ludeke Dam, situated in Mbizana in the Eastern Cape, South Africa.
Concrete Admixtures

Ash Improvement Technology Inc (AIT) and Sika announced that they entered a Strategic Alliance to develop products that help reduce the CO2 emissions related to the production of cement.
Use of Ash in Concrete