Profile: DRS Fermont, Engineered Support Systems is a supplier of power conversion equipment. We provide a wide range of products designed to interface with multiple vehicle power sources. We are an ISO 9001 certified company. We specialize in vehicle export power, battery charging technology, multiple output power supplies and UPS power backup. Our rugged power units are designed to withstand vibrations and shock under a variety of conditions, such as an earthquake. UPS systems are designed and tested to meet MIL-STD-1275B requirements to keep the emergency vehicle working under any conditions. Our systems are also designed to specifically address common vehicle installation issues, such as variability and extreme energy spikes.