ADT
ADT is a security services company providing alarm systems, monitoring, and home automation solutions.
Market Share of ADT
Current Customer(s)
86
Market Share (Est.)
0.15%
Ranking
#31
Top Competitors and Alternatives of ADT
The top three of ADT’s competitors in the Perimeter Security And Firewalls category are SiteLock with 21.82%, Cisco ASA with 17.44%, Fortinet FortiGate with 13.35% market share.
Popular Comparisons
Top Competitors and Alternatives of ADT
The top three of ADT’s competitors in the Perimeter Security And Firewalls category are SiteLock with 21.82%, Cisco ASA with 17.44%, Fortinet FortiGate with 13.35% market share.
ADT vs SiteLock
ADT vs Cisco ASA
ADT vs Fortinet FortiGate
ADT vs Palo Alto Next-Generation Firewall
ADT vs Zscaler
ADT vs Fortinet FortiGate Secure Web Gateway
ADT vs pfSense
ADT vs Palo Alto PAN-OS
Customers of ADT
Around the world in 2025, over 86 companies have started using ADT as Perimeter Security And Firewalls tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Google LLC | 10,000+ | Mountain View | California | United States |     |
| Aramark | 10,000+ | Philadelphia | Pennsylvania | United States | |
| General Electric | 10,000+ | Boston | Massachusetts | United States | |
| Tyco | 10,000+ | Princeton | New Jersey | United States | |
| U.S. Air Force | 10,000+ | San Antonio | Texas | United States | |
| Conagra Brands | 10,000+ | Chicago | Illinois | United States | |
| ADT | 10,000+ | Boca Raton | Florida | United States | |
| TEKsystems | 10,000+ | Hanover | Maryland | United States | |
| Ferguson | 10,000+ | Newport News | Virginia | United States | |
| Sodexo | 10,000+ | Issy-les-Moulineaux | Ile-de-France | France | |
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ADT Customers by Products and Services
The top three products and services offering customers that use ADT for Perimeter Security And Firewalls are Access Control (9), Video Surveillance (6), Home Automation (4).
Customers
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ADT Customers by Employee Size
The majority of ADT's customers for the perimeter-security-and-firewalls category fall in the company size of 100 - 249 employees (14 companies), 10,000+ employees (13 companies), 1,000 - 4,999 employees (13 companies).
Employee Size
ADT Customers by Geography
The top three geographies of ADT for perimeter-security-and-firewalls are the United States with 65(80.25%), United Kingdom with 4(4.94%), Canada with 4(4.94%) customers respectively.
Customers
Employees of ADT
Also see other Products/Services by ADT in:
FAQ
Find answers to the most often asked questions by users.
Who are the top ADT competitors?
ADT’s Top competitors in the perimeter-security-and-firewalls category are SiteLock, Cisco ASA, Fortinet FortiGate. You can view a full list of ADT competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of ADT and 40,000 other technologies on the internet. You can also compare ADT and its feature with top competitors here : ADT vs SiteLock ADT vs Cisco ASA ADT vs Fortinet FortiGate.
What is ADT customer distribution based on company size?
What is ADT market share in the perimeter-security-and-firewalls?
What are the top countries that use ADT?
What are the top industries that use ADT?
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