CYC has among its clients some of the most prestigious companies in its profile. Due to its industrial engineering focus, no industry sectors are excluded from its operations, but historically these include companies in the following arenas:
		Banking: Investec, Bank of Namibia Brewing: South African Breweries Building contracting: Group 5 Building material manufacturers: Everite Financial consulting: Investec, Laird Fuel and lubricants: Total, Shell Mining: Manhattan Mining Mining equipment supply: Manhattan, Fabchem Power generation: Eskom Transport and logistics: Total, Shell, Fuelogic, Makwande