Justin Evans

Big River Gold Ltd. is a mineral exploration and development company. It engages in exploration and development of minerals. It focuses in the operation of Borborema Gold, Juruena, and Manga projects. The company was founded by Robert Smakman on October 10, 2003 and is headquartered in West Perth, Australia.

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, platinum and laboratory ware, flux both x-ray flux and assay flux, crucibles, cupels, laboratory chemicals and supplies, pool and spa chemicals, pool and spa equipment, pool and spa cleaners and all other chemical supplies and accessories. Sigma is strategically located in Perth, Western Australia close to the port of Fremantle. This is an introduction into Sigma Chemicals which commenced business offering a range of chemicals to the retail market. Since then Sigma Chemicals has diversified over the years and now offers a diverse range of products to a diverse range of customers across numerous industries and continents. Sigma Chemicals has considerable experience in hazardous and dangerous chemicals, flammables, flux (x-ray flux and assay flux), platinum and laboratory ware, liquids, solids and bulk commodities.