Safeguard Your Home or Business: Top-Rated Security System Installers in Waltham, MA

AVD Inc. is a leader in providing top-notch voice, data, and security solutions to businesses in Central New England since 1984. We offer customized phone systems, voice and data cabling, surveillance, and network analysis services designed to help businesses thrive in today's fast-paced environment.

Keltron Corporation is a leading manufacturer of fire and security alarm monitoring solutions that enable organizations and companies to provide dependable, scalable, life safety event response services. Since 1967, Keltron has maintained a reputation for innovation and the reliability and high performance of its fire and security systems and products. Our life safety event management systems protect lives in colleges and university campuses, healthcare centers, industrial plants, commercial and cultural facilities, government and military complexes and municipalities worldwide. Keltron's management team brings over one hundred years of experience in the fire and security alarm monitoring industry. Our team's unique understanding of market requirements and technology and long-term relationship with Underwriters Laboratories and the National Fire Protection Association enables Keltron to provide solutions that meet the highest standards in the industry and are made in the USA.

Norel is a leading provider of fire protection services, offering a range of solutions including fire alarm systems, security monitoring, and emergency communications. With over five decades of experience, Norel provides comprehensive services to protect people, buildings, and property. Its team of experts offers testing and maintenance, engineering services, and more to ensure the safety and security of clients. Norel caters to a wide range of industries and has established long-term relationships with its customers.