Number of employees
1-5
n 1970 L. H. Harms founded Life & Property Security Systems, Inc., following his retirement from Federal law enforcement. He continued as president of Life & Property Security Systems until 1986 when Harms retired and the company was purchased by John Knox (an employee at the time) and William Tilley. John Knox began working for Life & Property Security Systems as a technician in 1984 while attending the University of Tennessee School of Electrical Engineering. Knox acquired full ownership of Life & Property Security Systems with Tilley’s passing in 1989.