Benjamin Power Group, a privately held corporation serving American industry, came into being as Clinton Supply Co. in 1910. In1984, we became Benjamin Power, now with two operating subsidiaries, Clinton Power and Pure Power Systems, Inc. Read More 2009 Celebrating our 99th year with the opening of our new Civic Center Drive Las Vegas facility and the Pure Power Division’s expanded generator support operations covering 15 brands with emergency repair, preventive maintenance and warranty field service.