Graus Chemicals is a DBE/SBE certified company located in Glendale, Arizona. We specialize in the supply of Calcium Polysulfide Solution to the environmental remediation industry, focusing on four key market segments: Remediation, Municipal, Mining & Industrial. Our company is fairly new but well versed. We have several decades of combined experience in the manufacture and marketing of Calcium Polysulfide. Since our founding in 2010, it has been our priviledge to serve a number of reputable national and international engineering and contracting firms, municipalities and industrial metal processing companies.