We know that in the security world, stakes are high and the margin for error is low. This is why we know your equipment inside and out and keep it in top form 24 hours a day, 365 days a year. EMSAR is a premier service provider that maintains, installs, performs preventative maintenance, and emergency response on equipment in various security industries. EMSAR field technicians are trained to take care of an array of hardware at airports, ports, event venues, and facilities.