About Us

Brent&DianeISO 9001:2015 CERTIFIED

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 offer rescue training, rescue design systems, fall protection equipment, and consulting. Brent Wise, a 30-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.

We are very proud to be one of only ten rescue training companies globally authorized by Bechtel to teach the Competent Tower Climber Curriculum and are authorized training providers for Nordex, GE, LADWP, Duke Energy, NextEra, Black and Veatch, American Tower and many more.

Perhaps the most unique quality that sets Tech Safety Lines, Inc. apart from our competitors is our rescue training. In our rescue training, students learn from TSL instructors, many of whom are on the Dallas Technical Rescue Team. These experienced and certified professionals bring real-life simulated situations to our rescue curriculum and make the environment fun, hands-on, and applicable.

Our Rescue Kits

Tech Safety Lines’ rescue kits are modular and versatile. They are designed to be applicable on multiple working structures. Whether your company needs training for tower climbers, wind technicians, oil derrick workers or roofing contractors, our fall protection equipment and training is for you. Today, hundreds of TSL kits are in use on various kinds of structures including towers, wind turbines, oil derricks, grain elevators, billboards, roofing, arenas and stadiums.

Proud member of the following organizations:


          SCRA member logo

WWPNCTRCA WBE Certificate 2016-2018Texas_Alliance_of_Energy__producersWomen in Wind Logo jpegisfp-logoScaffoldandAccessIndustry


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