United Systems is a Strategic Partner of Edwards. We engineer, test and service all EST branded Fire Life Safety Systems, EST-3 being the flagship product. Our strength is in our Services, and Strategic Partnering — we are an independent service and solutions provider that form an integral part of the Edwards organization. As insiders, we enjoy exclusive access to products, custom design innovations, and factory training. As a successful independent company, we are adept at ensuring that each submittal is strong and competitive and that each bid is locally relevant to your installation. As a local business here in Las Vegas, we not only have to earn your trust — we have to keep it….everyday.