Tech Safety Lines, Inc. (TSL), co-founded by Diane Waghorne and Brent Wise, is a fall protection, fall arrest, and rescue training company. We are headquartered in Carrollton, near the heart of Dallas, Texas. We offerrescue training, rescue design systems, fall protection equipment, and consulting. Brent Wise, a 29-year veteran of the Dallas Fire Department brings his knowledge of emergency response and mountaineering to the industrial world. Diane’s persistence is responsible for bringing the Military Compact Descender (MCD), a personal descending device, out of the military. With both real-world experience and hands-on application, Tech Safety Lines, is a leader in fall protection. TSL, founded in 2002, services client’s fall protection training and equipment needs all over the United States, Canada, several European countries, Jamaica, Thailand, Africa, the United Kingdom, etc.