Sigma Chemicals Home ›› Local Listings ›› WA ›› Balcatta ›› Sigma Chemicals WA Business Services 228 Balcatta RoadBalcatta, WA 6021 (08) 9345 2233https://www.sigmachemicals.com.au Sigma Chemicals is a diverse company specialising in the supply of bulk chemicals, specialty and process chemicals, raw materials and equipment to Commercial, Mining, Manufacturing, and Pool and Spa Industries.