Aggregate producers
Asphalt Manufacturing and Paving
Ammann Construction Machinery South Africa (Pty) Ltd
Consulting engineers
Atana (Pty) Ltd
Bvi Consulting Engineers Western Cape (Pty) Ltd
GMH/CPP Consulting Engineers (Pty) Ltd
Jordaan Professional Services (Pty) Ltd t/a JPS
Rankin Engineering Consultants
Sasol Technology Fuels Research
Ski Civil & Structural Engineers (Pty) Ltd
Equipment and service suppliers
Dick King Lab Supplies (Pty) Ltd
Dupont de Nemours SA (Pty) Ltd
Industrial Oleochemical Products (Pty) Ltd
Specialised Road Technologies (Pty) Ltd