1958 (Two-Way Radio Systems) - The Comtronics Communications Division was born in 1958 with the sale of its first two-way radio.

1970 (Burglar/Fire Alarms, 24-Hour Alarm Monitoring) - Not only did Comtronics begin selling alarms in 1970, but it started its own alarm monitoring station. Unlike many security companies who subcontract monitoring stations, Comtronics has been self-sufficient from the beginning.

1974 (24-Hour Superior Answering Service) - In 1974 the Comtronics Communications Division began offering a full service 24-hour answering service.

1979 (Video Surveillance Systems) - In 1979 the Security Division expanded to include video surveillance systems. Today, this has become a large part of the company, which now includes 21st century technology. Comtronics carries disguised surveillance cameras, high resolution color cameras, digital video recorders (DVR's), flat screen video monitors, and remote video surveillance equipment.

1981 (Business Telephone Systems and Voice Mail) - In 1981 the Comtronics Communications Division became even more diverse. By offering Telephone Systems and Voice Mail, Comtronics began offering businesses advanced solutions to complex internal communication problems.

1988 (Card Access Systems) - With the release of Security Access Systems, Comtronics rounded out its Security Division. Now Comtronics could completely satisfy the security needs of a business.

1992 (High Speed Data Cabling) - In 1992 Comtronics started offering businesses cabling services. This is the last component of the Communications Division.

1994 (Home Theater Systems) - In 1994 Comtronics began offering Home Theater Systems.

1999 (Comtronics Merger) - Walker Capital Corp. acquires Comtronics on January 8, 1999.

1999 (Nextel Communications) - Comtronics got its start in the cellular industry June 5, 1999 by becoming a Nextel Authorized Representative.

2003 (ALLTEL Communications) - Comtronics continues to grow its cellular operation by adding ALLTEL to its product line in April 2003.