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About Us

We’ve grown to become #1 Theft Deterrent Service™ by providing a world-class electric security fence system that embraces advanced technology and integration.

But how we began involves a much simpler solution.


Our First Guard Dog Had Real Teeth

Founder Bill Mullis started his security business in 1973 with a much simpler security solution — guard dogs — raised and trained by Bill and his staff to prevent crime for sites with outdoor assets. The guard dog business was a success for him for more than 20 years.

Today, our brand still uses the image of a German Shepherd, a breed long preferred in security due to its imposing presence, strong bite and vicious bark. But an innovative new take on security was coming.



A New Solution

The transition to electric fencing came in 1991, when despite having his guard dogs on site, Bill’s business was experiencing break-ins. He needed a different solution to combat criminals. He developed an electric security fence to protect his property and outdoor assets.

In time, this electric security fence became patented (U.S. Patent No. 4220949) and, due to its unmatched deterrence value, it replaced the dogs and we soon became Electric Guard Dog.


Changing Times

Over the next two decades, Bill nurtured the business, eventually bringing on investors and appointing a new CEO, Jack DeMao, to lead his initiatives for expansion. Bill continues to serve as a consultant, spokesperson and board member, while Jack focuses on internal growth and customer partnerships.

Under Jack’s leadership, our number of field technicians dramatically increased across the U.S. and we’ve improved service systems for better customer experience — both strongly advocated for by Jack, who believes becoming a security partner is what makes the difference for customers.



Future Facing

In 2016, we experienced annual double-digit growth and were acquired by Snow Phipps Investments, with Jack and the existing management team continuing to lead the company.

In 2017, to meet our growing team, we moved our office to the new and exciting Center for Applied Innovation, part of the University of South Carolina’s Innovista research district. The move is part of our recent efforts to increase leadership and interaction with our community while still promoting growth and improving on our service offerings.

Company Growth & Recognition

  • Ranked in the top 30 on the SDM 100 List of Top Security Companies, last six years (2018)
  • CEO Jack DeMao and Electric Guard Dog honored as Gold & Bronze Stevie® Award Winners (2017)
  • SDM Dealer of the Year (2016)
  • SDM Dealer of the Year Honoree (2015)
  • INC 5000 list of fastest growing privately held companies, last 5 years
  • INC 500 list of fastest growing privately held companies, 3 years
  • SD&I Fast50 for revenue and growth, last 4 years
  • Ranked in the top 20 best-performing companies, Roaring Twenties by SC Biz
  • South Carolina’s List of the Best Places to Work, 3 Years
  • Electric Guard Dog reports 49% growth over the last 3 years