Welcome to National Security Works National Security Works (NSW) provides advanced integrated security solutions for Small to Large Businesses, Government Facilities, Industrial, Healthcare and Biotech Facilities. From standalone systems to fully integrated multi-campus solutions, NSW is there from project conception and design to installation and system maintenance. Design Consulting Our Security Engineers are some of the brightest in the industry and have assisted Electrical Engineers, Consulting Engineers and Architects with system design requirements as well as product specification needs. Service and Maintenance NSW has service qualified technicians on call 24 hours a day, seven days a week. We pride ourselves on quality service in a timely manner to meet your emergency security needs. NSW offers a full line of repair and maintenance services including periodic inspection and full line service contracts. In addition, we offer fire inspection and system database maintenance services to our customers.