• IDEXX Laboratories (Pty) Ltd • ToxSolutions Kits and Services • Anatech Instruments (Pty) Ltd • Stargate Seientific • Sigma-Aldrich (Pty) Ltd • Merck (Pt) Ltd • Chemetrix (Pty) Ltd • Separations • Microsep (Pty) Ltd • Industrial Analytical (Pty) Ltd •