Sigma Chemicals (Sigma Companies Group Pty Ltd) is a diverse and reputable company servicing its customers' world wide with products including, but not limited to, chemicals, laboratory ware, assay flux, crucibles, cupels, laboratory chemicals and supplies, pool and chemicals, pool and equipment, pool and cleaners and all other chemical supplies and accessories. Sigma is strategically located in Perth, Western Australia close to the port of Fremantle. (Head Office is situated at 228 Balcatta ...