Security Systems Directory

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A security system is intended to secure an area from intrusion. These systems can be implemented in various ways, including window alarms, door locks, and fingerprint recognition systems on smartphones. This Security Systems directory includes security system or security service provider pages for every State in the USA plus Washington, DC and certain populous Counties. Each State and District page lists security systems and security services located in that State or District, including their company or website names as well as their locations, phone numbers, and website links.

woman pressing a key on a home alarm keypad

Before visiting a security system or security service provider listed herein, be sure to check its address, hours of operation, and appointment policy (if any) by visiting its website or contacting it. The security system or security service provider may have moved or no longer be in business, and hours of operation may be irregular.

Each directory listing specifies the County in which the security system or security service provider is located as well as the database categories that are relevant to the listing. Convenient links to adjacent State directories are provided at the bottom of each directory page.


Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana	Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Washington, DC

States with no security system or security service provider listings are grayed out in the State Menu.

The 10 states with the most security system or security service provider listings are shown below, along with the number of listings in each of these states.

California (≈376)
Texas (≈249)
Florida (≈199)
New York (≈186)
Illinois (≈141)
Ohio (≈104)
North Carolina (≈97)
Pennsylvania (≈89)
Washington (≈87)
New Jersey (≈80)

The 10 cities with the most security system or security service provider listings are shown below, along with the number of listings in each of these cities.

Houston, Texas (≈55)
New York, New York (≈36)
Chicago, Illinois (≈27)
Miami, Florida (≈27)
Los Angeles, California (≈26)
Dallas, Texas (≈24)
Austin, Texas (≈22)
San Diego, California (≈19)
Seattle, Washington (≈19)
San Antonio, Texas (≈19)

Nationwide Security Systems & Services

The following enterprises have offices or other operations in multiple locations; most of them have operations in multiple states. Many of these large security systems and security services list their primary office locations on their websites.


1800 Locksmith www.1800locksmith.com Located primarily in New Jersey.	Burglar Alarm Systems and Monitoring Commercial and Industrial Security Systems and Services

ADT Security Services, Inc. www.adt.com Located in about 41 states.	Security Management Consultants Security Systems and Services

Diebold Inc www.diebold.com Located in about 45 states.	Bank Equipment and Supplies Alarm System Dealers Security Systems and Services Banks

Federal Bureau-Investigation www.fbi.gov Located in about 31 states.	Federal Government Offices Government Offices Investigation Services Security Systems and Services

Honeywell honeywell.com Located in about 31 states.	Industrial Equipment and Supplies Dealers Electronic Equipment and Supplies Wholesale and Manufacturers Electric Equipment and Supplies Dealers Automation Equipment and Systems Dealers Industrial Heating Contractors Building and Home Construction HVAC Equipment and Supplies Dealers Home Improvement and Maintenance Heating Equipment Parts and Supplies Dealers Security Systems and Services Fire Alarm Sales and Service Burglar Alarms Wholesale and Manufacturers

Loomis Fargo & Company www.loomisfargo.com Located in about 39 states.	Security Systems and Services

Pop A Lock www.popalock.com Located in about 37 states.	Security Systems and Services

Protection One Inc www.protectionone.com Located in about 26 states.	Burglar Alarms Wholesale and Manufacturers Burglar Alarm Systems and Monitoring Alarm System Dealers Burglar Alarms Installation, Service and Repair Security Systems and Services Investigation Services Security Consultants and Agencies

Safety-Kleen Systems www.safety-kleen.com Located in about 40 states.	Solvents Security Consultants and Agencies Chemicals Dealers Chemicals Wholesale and Manufacturers Investigation Services Recycling Services, Equipment and Supplies Security Systems and Services Energy and Environment

Securitas Security Service USA Inc securitasinc.com	Security Systems and Services Investigation Services Security Consultants and Agencies

Sonitrol www.sonitrol.com Located in about 29 states.	Burglar Alarm Systems and Monitoring Burglar Alarms Wholesale and Manufacturers Alarm System Dealers Security Systems and Services

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Surveillance Equipment & Services	Old Gospel Story Sponsored Link	Investigation Services

Related Website

Surveillance Equipment - illustrated guide to surveillance equipment.
www.surveillanceequipment.us

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