Dnet Security

Concentric Security Service Division is devoted to delivering on our commitment to our customers of providing outstanding customer service. Our professional, knowledgeable and experienced team of field supervisors and service technicians stands ready to maintain and service your vehicle barriers. Our focus is on servicing and maintaining vehicle barriers acting as the final point of denial in the event of a physical attack. The Concentric Service team is experienced in the design and troubleshooting of barrier electronic plc systems as well as the design or modification of existing "Sequences of operation".