General Info

Since 1875 CONNELLY-GPM INC has been creating quality products used to protect the environment and serve the energy and construction industriesCONNELLY-GPM, INC takes pride in being the world's largest manufacturer of IRON AGGREGATE ( ZVI ). We will custom grind to meet your specifications and needs. Our oil-free, size-specific IRON AGGREGATE is used for a variety of applications: Customers are using our IRON AGGREGATE for in-situ treatment of environmental sites with groundwater containing chlorinated organic compounds, removal of inorganic contaminants such as chromium, arsenic and selenium from drinking water, and various industrial and chemical applications.Connelly-GPM, Inc has been in business since 1875, and we take pride in being the world's largest manufacturer of IRON AGGREGATE. We can custom grind to meet your specifications and needs. We have provided the majority of IRON AGGREGATE to sites around the world; many over 2, 000 Net Tons, a few over 3, 500 Net Tons, and we have recently completed the largest site to date of over 10, 000 Net Tons. Our record of delivering orders on time and within specifications has made us the supplier of choice for this rapidly growing technology. We only provide the IRON, but our customers are very pleased with it, as they report it to have superior effectiveness at breaking down trichloroethylene ( TCE ), tetrachloroethylene ( PCE ), trichloroethane ( TCA ), and vinyl chloride ( VC ), which represent some of the most toxic volatile organic compounds ( VOC's ) contaminating groundwater.