- G.M. Associates cc is a company formed in July of 1986 for the purpose of developing and manufacturing speciality chemicals required by the mining, metallurgical and food industries. G.M Associates has more than 55 years of experience in the production, use and marketing of Guar, CMC and starch based products to these industries. The company specialises in gangue depressants utilising Guar Gum, ...www.gempolym.com