QMC Advantage Why should you choose QMC over the competition? Learn more about our process and the quality of our products. QMC Advantage Quality Manufacturing Company, we have been designing and building custom electrical control systems since 1978. We listen while you define your requirements. We evaluate your application and select components to accomplish the control and protective features that you have outlined. Learn more about our pump controller systems. For more information on our products, please call us today at ( 540 ) 982-6699. If you prefer email or fax, please click below for more contact options. Contact Us