Schedule your free on-site consultation with one of our security consultants today. -Call (281) 407-0768 now. Nexlar is the best low voltage technology integrator in Houston. People who work for our service install and maintain surveillance cameras, door access control, and commercial security. As part of our service, we also help your business with virtual guard service, VOIP, Telephone Entry Systems, automatic gates, and fences. Call us now![I][U]