ProMinent - a manufacturer of chemical metering pumps, controllers, sensors and pre-packaged and custom chemical feed systems is your industry choice.\r\n\r\nThe ProMinent group of companies includes 31 subsidiaries and authorized agencies in more than 60 countries. In the United States the sales headquarters, a manufacturing and assembly/engineering and fabrication facility, is located in Pittsburgh, PA. A sales, engineering, fabrication and support office is also located in Canada, headquartered in Guelph, Ontario.