ESA brings together key individuals from top companies representing five industry components – sales, manufacturing, installation, service, and monitoring. This collective approach allows ESA to represent the industry as a whole, while focusing on the varying needs of these individual market sectors. ESA’s member companies, which represent more than 70 percent of the market for intrusion and fire/life safety systems, access control, video surveillance and monitoring, are a vital component of public safety. Together they employ more than 500,000 industry professionals, and service millions of residential and commercial accounts. More than 2,500 electronic life safety, security, and systems businesses are members of ESA. The diversity of membership includes companies that specialize in single product segments as well as system integrators who provide comprehensive products and services to their customers. The nature of the business demands professional and personalized service.