[EI Systems Limited EIS Limited (formerly Ensign Integrated Systems Limited) has been designing and manufacturing high quality security systems for over 15 years. Our products include Door Entry, PC Concierge with Building Management, Access Control and CCTV systems with a full range of ancillary components. Our main design philosophy is to produce commonsense and reliable products that will exceed the expectations of our customers requirements.Working closely with end users, consultants and architects alike and our strategic partners, such as KMS,PAC, Dedicated Micros, Comelit,ASSA and other quality assessedcompanies, we believe we can offer the most comprehensive and effective solutions available. From our workhorse 3400 (functional) and 7800 (digital) door entry systems to our high end 6000 PC-based concierge and building management system, we can offer products to meet all your security and communications needs. Our complete range also includes light duty door entry systems, proximity access control and CCTV products. ]