Active Security Co Since 1988 Active Security Co has helped homeowners and businesses with their Security and Life Safety Systems. Our teams focus on Security Systems, Fire Alarm installation, service, and monitoring, Door Control Systems ( Card Access ), and Cameras. We are a local family-owned business, although some of our clients have asked us to install and service systems in many different areas around the United States. Some of our clients over the years include the U.S. Post Office, the Florida Dept. of Corrections, Pinellas and Pasco County governments, and over 2, 000 homeowners and businesses throughout Tampa Bay.