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24 Hour Surveillance & Security Fence Company

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.

Electric Guard Dog
Electric Fence System


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 and brought on investors and a new CEO to lead his initiatives for expansion with a focus on internal growth and customer partnerships. Our number of field technicians dramatically increased nationwide, and we’ve improved service systems for a better customer experience — both practices stemming from the belief that being a security partner is what makes the difference for customers.

In 2016, we experienced annual double-digit growth and were acquired by Snow Phipps Investments. In 2017, to meet our growing team’s needs and to increase leadership and interaction with our community while still promoting growth and improving on our service offerings., we moved our office to the new and exciting Center for Applied Innovation, part of the University of South Carolina’s Innovista research district.

egd innovation center
EGD National Event


Future Facing

In 2018, Electric Guard Dog named Mark Wesley the new Chief Executive Officer. As a portfolio company of Snow Phipps Group, LLC., the board was looking for a leader with a strong track record in operations improvement as well as strategic planning and development for sales and employee satisfaction.

Wesley will now lead the company as it seeks to grow in new industries and markets while protecting its customers from crime and providing exceptional customer service.

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