Providing advanced fuel-dispensing equipment, including clean energy solutions, systems and payment, automatic tank gauging and wet stock-management solutions, DFS comprises the product brands of Wayne Fueling Systems, OPW Fuel Management Systems, ClearView, Tokheim, ProGauge, Fairbanks, LIQAL, AvaLAN, and Bulloch Technologies. Fraudulent Recruiting Disclaimer: Dover Corporation and our affiliated operating companies want to alert applicants to internet job posting fraud, where parties posing as Dover employees, recruiters, or other agents, try to engage with online candidates in an attempt to steal personal and/or financial information.