Company lists · Data refreshed November 2026
Top 25 Security system maintenance contractors based in the United States
RevenueBase identified 1,894 company matches for security system maintenance contractors associated with the United States as of November 2026 and tracks 24,045 professional contacts across them, including 6,456 with verified work emails. New York is the largest hub.
This list covers company matches for security system maintenance contractors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest security system maintenance contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,178 contacts → | ||||
Exact match “Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 2 | 927 contacts → | ||||
Exact match “Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 3 | 837 contacts → | ||||
Exact match “Securitas knows Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 4 | 408 contacts → | ||||
Exact match “Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 5 | 328 contacts → | ||||
Exact match “Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 6 | 306 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 7 | 258 contacts → | ||||
Exact match “One of the largest privately held national electronic security system integrator in the USA, NAVCO keeps you one step ahead of ever-changing technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 8 | 245 contacts → | ||||
Exact match “Family owned and operated since 1968, Alarm Detection Systems, Inc.(ADS) understands that nothing is more important than the safety of your family and the protection of your…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 9 | 239 contacts → | ||||
Exact match “At Red Hawk Fire & Security, we install, test and inspect, integrate, service and monitor a comprehensive range of advanced technologies custom designed for your specific business…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 10 | 231 contacts → | ||||
Exact match “Guardian Security Systems is the leader in residential and commercial life safety solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 11 | 226 contacts → | ||||
Exact match “Silco Fire & Security isn’t just a company-it’s a mission.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 12 | 206 contacts → | ||||
Exact match “Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 13 | 177 contacts → | ||||
Exact match “General Security is a family owned and operated company with offices from Buffalo, NY to South East Florida.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 14 | 160 contacts → | ||||
Exact match “Security Equipment’s primary concern is for our client’s life safety and peace of mind.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 15 | 160 contacts → | ||||
Exact match “Security Guard and Technology Services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 16 | 160 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 17 | 153 contacts → | ||||
Exact match “A home and business security provider, EPS Security was founded in Grand Rapids, Michigan.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 18 | 152 contacts → | ||||
Exact match “Installation and monitoring of commercial and residential security systems.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 19 | 148 contacts → | ||||
Exact match “The authoritative source for customized fire and safety protection.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 20 | 127 contacts → | ||||
Exact match “Ensuring safety and security is our goal at Control Systems, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 21 | 126 contacts → | ||||
Exact match “Bulldog Security Services is a family-owned national ADT Authorized Dealer with over a decade of industry experience.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 22 | 121 contacts → | ||||
Exact match “ESCC has led the way in integrated security and communications applications for commercial properties, high-end residential properties, and new development projects for over 30…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 23 | 115 contacts → | ||||
Exact match “Vanguard Fire & Security Systems, is a full service fire protection, life safety and security systems contractor with over fifty years experience in protecting people, property…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 24 | 112 contacts → | ||||
Exact match “Professional Security System has been securing our neighbors homes and businesses in North Alabama for over 25 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
| 25 | 102 contacts → | ||||
Exact match “Zeus Fire & Security was established in 2021 to build a national network of fire protection and security providers recognized for execution excellence across a variety of service…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “security system maintenance contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,894 security system maintenance contractors based in the United States
See the full list, filter by size, metro and specialty, and access 6,456 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Security system maintenance contractors based in the United States at a glance
As of Nov 5, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,894 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “security system maintenance contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 6,456 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Security system maintenance contractors by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “security system maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security system maintenance contractors are there based in the United States?
RevenueBase identified 1,894 company matches for security system maintenance contractors associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Everon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most security system maintenance contractors?
New York leads with 36 company records, followed by Houston (34) and Miami (19).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 6,456 professional contacts with verified work emails tracked across these 1,894 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,894 security system maintenance contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Security system maintenance contractors by geography
- Security system maintenance contractors based in Melbourne, Australia
- Security system maintenance contractors based in Sydney, Australia
- Security system maintenance contractors based in Sao Paulo, Brazil
- Security system maintenance contractors based in Calgary, Canada
- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand
- Security system maintenance contractors based in Johannesburg, South Africa
- Security system maintenance contractors based in Madrid, Spain
- Security system maintenance contractors based in Stockholm, Sweden
- Security system maintenance contractors based in Dubai, United Arab Emirates
- Security system maintenance contractors based in Birmingham, United Kingdom
- Security system maintenance contractors based in London, United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Security system maintenance contractors based in Melbourne, Australia
- Security system maintenance contractors based in Sydney, Australia
- Security system maintenance contractors based in Sao Paulo, Brazil
- Security system maintenance contractors based in Calgary, Canada
- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand
Company intelligence · public preview
Top 25 security system maintenance contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,894 matching company records for security system maintenance contractors based in the United States, with 24,045 tracked contacts and 6,456 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security system maintenance contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Everoneveronsolutions.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Security 101security101.comHQ: West Palm Beach, TN, United StatesReported employees: 501-1,000 | West Palm Beach, TN, United States | 501-1,000 | Exact match | 927 contacts → |
“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Securitas Electronic Security, INCsecuritases.comHQ: Uniontown, IL, United StatesReported employees: 10001+ | Uniontown, IL, United States | 10001+ | Exact match | 837 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Guardian Alarmguardianalarm.comHQ: Southfield, OH, United StatesReported employees: 501-1,000 | Southfield, OH, United States | 501-1,000 | Exact match | 408 contacts → |
“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ADS Securityadssecurity.comHQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 328 contacts → |
“Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AFA Protective Systems, INCafap.comHQ: Syosset, NY, United StatesReported employees: 201-500 | Syosset, NY, United States | 201-500 | Exact match | 306 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  NAVCOnavco.comHQ: Orange, NJ, United StatesReported employees: 51-200 | Orange, NJ, United States | 51-200 | Exact match | 258 contacts → |
“One of the largest privately held national electronic security system integrator in the USA, NAVCO keeps you one step ahead of ever-changing technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Alarm Detection Systemsadsalarm.comHQ: Aurora, IL, United StatesReported employees: 201-500 | Aurora, IL, United States | 201-500 | Exact match | 245 contacts → |
“Family owned and operated since 1968, Alarm Detection Systems, Inc.(ADS) understands that nothing is more important than the safety of your family and the protection of your…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GIL Kortaredhawkus.comHQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 239 contacts → |
“At Red Hawk Fire & Security, we install, test and inspect, integrate, service and monitor a comprehensive range of advanced technologies custom designed for your specific business…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Guardian Security Systems, INCguardiansecurity.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 231 contacts → |
“Guardian Security Systems is the leader in residential and commercial life safety solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Silco Fire & Securitysilcofs.comHQ: Evendale, OH, United StatesReported employees: 201-500 | Evendale, OH, United States | 201-500 | Exact match | 226 contacts → |
“Silco Fire & Security isn’t just a company-it’s a mission.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  DGA Securitydga.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 206 contacts → |
“Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  General Securitygensecurity.comHQ: Plainview, NY, United StatesReported employees: 51-200 | Plainview, NY, United States | 51-200 | Exact match | 177 contacts → |
“General Security is a family owned and operated company with offices from Buffalo, NY to South East Florida.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Security Equipment, INCseisecurity.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 160 contacts → |
“Security Equipment’s primary concern is for our client’s life safety and peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Aegis Protective Servicesaegis-ps.comHQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 160 contacts → |
“Security Guard and Technology Services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  OLD Accountipsc.bizHQ: Hammond, LA, United StatesReported employees: Not recorded | Hammond, LA, United States | Not recorded | Exact match | 160 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  EPS Securityepssecurity.comHQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 153 contacts → |
“A home and business security provider, EPS Security was founded in Grand Rapids, Michigan.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Safe Home Security, INCsafehomesecurityinc.comHQ: Middletown, CT, United StatesReported employees: 201-500 | Middletown, CT, United States | 201-500 | Exact match | 152 contacts → |
“Installation and monitoring of commercial and residential security systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  FOX Valley Fire & Safetyfoxvalleyfire.comHQ: Elgin, IL, United StatesReported employees: 201-500 | Elgin, IL, United States | 201-500 | Exact match | 148 contacts → |
“The authoritative source for customized fire and safety protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Control Systems, INCcontrolsystems.netHQ: Clearwater, CO, United StatesReported employees: 51-200 | Clearwater, CO, United States | 51-200 | Exact match | 127 contacts → |
“Ensuring safety and security is our goal at Control Systems, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bulldog Security Services, LLCbulldogsecurityservice.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 126 contacts → |
“Bulldog Security Services is a family-owned national ADT Authorized Dealer with over a decade of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ESCCescc.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 121 contacts → |
“ESCC has led the way in integrated security and communications applications for commercial properties, high-end residential properties, and new development projects for over 30…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Vanguard Fire & Security Systems, INCvanguard-fire.comHQ: Grand Rapids, MI, United StatesReported employees: 51-200 | Grand Rapids, MI, United States | 51-200 | Exact match | 115 contacts → |
“Vanguard Fire & Security Systems, is a full service fire protection, life safety and security systems contractor with over fifty years experience in protecting people, property…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Professional Security Systemspssal.comHQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 112 contacts → |
“Professional Security System has been securing our neighbors homes and businesses in North Alabama for over 25 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Zeus Fire And Securityzeusfireandsecurity.comHQ: Paoli, PA, United StatesReported employees: 501-1,000 | Paoli, PA, United States | 501-1,000 | Exact match | 102 contacts → |
“Zeus Fire & Security was established in 2021 to build a national network of fire protection and security providers recognized for execution excellence across a variety of service…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,894 company matches
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Security system maintenance contractors: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,885 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,894 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security system maintenance contractors by metro
Questions about this company list
What does Exact match mean for security system maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security system maintenance contractors did RevenueBase find based in the United States?
The saved snapshot records 1,894 matching company records, 24,045 tracked contacts and 6,456 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Security system maintenance contractors by geography
- Security system maintenance contractors based in Melbourne, Australia
- Security system maintenance contractors based in Sydney, Australia
- Security system maintenance contractors based in Sao Paulo, Brazil
- Security system maintenance contractors based in Calgary, Canada
- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand
- Security system maintenance contractors based in Johannesburg, South Africa
- Security system maintenance contractors based in Madrid, Spain
- Security system maintenance contractors based in Stockholm, Sweden
- Security system maintenance contractors based in Dubai, United Arab Emirates
- Security system maintenance contractors based in Birmingham, United Kingdom
- Security system maintenance contractors based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 security system maintenance contractors based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/security-system-maintenance-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Security system maintenance contractors based in Melbourne, Australia
- Security system maintenance contractors based in Sydney, Australia
- Security system maintenance contractors based in Sao Paulo, Brazil
- Security system maintenance contractors based in Calgary, Canada
- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand
Company intelligence · public preview
Top 25 security system maintenance contractors based in the United States
RevenueBase records 1,894 matching company records for security system maintenance contractors based in the United States, with 24,045 tracked contacts and 6,456 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 5, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 security system maintenance contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Everoneveronsolutions.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 2,178 contacts → |
“Everon is a leading national provider of commercial security, video, fire, sprinkler, and life safety solutions for complex, multi-site businesses and organizations.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Security 101security101.com HQ: West Palm Beach, TN, United StatesReported employees: 501-1,000 | West Palm Beach, TN, United States | 501-1,000 | Exact match | 927 contacts → |
“Security 101® is a nationwide leader in designing, installing, and maintaining advanced security systems tailored to the unique needs of organizations of all sizes.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Securitas Electronic Security, INCsecuritases.com HQ: Uniontown, IL, United StatesReported employees: 10001+ | Uniontown, IL, United States | 10001+ | Exact match | 837 contacts → |
“Securitas knows Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Guardian Alarmguardianalarm.com HQ: Southfield, OH, United StatesReported employees: 501-1,000 | Southfield, OH, United States | 501-1,000 | Exact match | 408 contacts → |
“Guardian Alarm is one of the largest independently-owned security companies protecting both homes and businesses throughout the Midwest.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ADS Securityadssecurity.com HQ: Nashville, TN, United StatesReported employees: 201-500 | Nashville, TN, United States | 201-500 | Exact match | 328 contacts → |
“Headquartered in Nashville, TN, with branches throughout the Southeastern United States, ADS Security, a Vector Security company, is the 20th largest electronic security company…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AFA Protective Systems, INCafap.com HQ: Syosset, NY, United StatesReported employees: 201-500 | Syosset, NY, United States | 201-500 | Exact match | 306 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | NAVCOnavco.com HQ: Orange, NJ, United StatesReported employees: 51-200 | Orange, NJ, United States | 51-200 | Exact match | 258 contacts → |
“One of the largest privately held national electronic security system integrator in the USA, NAVCO keeps you one step ahead of ever-changing technology.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Alarm Detection Systemsadsalarm.com HQ: Aurora, IL, United StatesReported employees: 201-500 | Aurora, IL, United States | 201-500 | Exact match | 245 contacts → |
“Family owned and operated since 1968, Alarm Detection Systems, Inc.(ADS) understands that nothing is more important than the safety of your family and the protection of your…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GIL Kortaredhawkus.com HQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 239 contacts → |
“At Red Hawk Fire & Security, we install, test and inspect, integrate, service and monitor a comprehensive range of advanced technologies custom designed for your specific business…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Guardian Security Systems, INCguardiansecurity.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 231 contacts → |
“Guardian Security Systems is the leader in residential and commercial life safety solutions.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Silco Fire & Securitysilcofs.com HQ: Evendale, OH, United StatesReported employees: 201-500 | Evendale, OH, United States | 201-500 | Exact match | 226 contacts → |
“Silco Fire & Security isn’t just a company-it’s a mission.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | DGA Securitydga.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 206 contacts → |
“Since 1969, thousands of businesses across the country have entrusted their protection to DGA Security.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | General Securitygensecurity.com HQ: Plainview, NY, United StatesReported employees: 51-200 | Plainview, NY, United States | 51-200 | Exact match | 177 contacts → |
“General Security is a family owned and operated company with offices from Buffalo, NY to South East Florida.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Security Equipment, INCseisecurity.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 160 contacts → |
“Security Equipment’s primary concern is for our client’s life safety and peace of mind.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Aegis Protective Servicesaegis-ps.com HQ: Cincinnati, OH, United StatesReported employees: 201-500 | Cincinnati, OH, United States | 201-500 | Exact match | 160 contacts → |
“Security Guard and Technology Services.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | OLD Accountipsc.biz HQ: Hammond, LA, United StatesReported employees: Not recorded | Hammond, LA, United States | Not recorded | Exact match | 160 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | EPS Securityepssecurity.com HQ: Grand Rapids, MI, United StatesReported employees: 201-500 | Grand Rapids, MI, United States | 201-500 | Exact match | 153 contacts → |
“A home and business security provider, EPS Security was founded in Grand Rapids, Michigan.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Safe Home Security, INCsafehomesecurityinc.com HQ: Middletown, CT, United StatesReported employees: 201-500 | Middletown, CT, United States | 201-500 | Exact match | 152 contacts → |
“Installation and monitoring of commercial and residential security systems.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | FOX Valley Fire & Safetyfoxvalleyfire.com HQ: Elgin, IL, United StatesReported employees: 201-500 | Elgin, IL, United States | 201-500 | Exact match | 148 contacts → |
“The authoritative source for customized fire and safety protection.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Control Systems, INCcontrolsystems.net HQ: Clearwater, CO, United StatesReported employees: 51-200 | Clearwater, CO, United States | 51-200 | Exact match | 127 contacts → |
“Ensuring safety and security is our goal at Control Systems, Inc.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bulldog Security Services, LLCbulldogsecurityservice.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 126 contacts → |
“Bulldog Security Services is a family-owned national ADT Authorized Dealer with over a decade of industry experience.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ESCCescc.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 121 contacts → |
“ESCC has led the way in integrated security and communications applications for commercial properties, high-end residential properties, and new development projects for over 30…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Vanguard Fire & Security Systems, INCvanguard-fire.com HQ: Grand Rapids, MI, United StatesReported employees: 51-200 | Grand Rapids, MI, United States | 51-200 | Exact match | 115 contacts → |
“Vanguard Fire & Security Systems, is a full service fire protection, life safety and security systems contractor with over fifty years experience in protecting people, property…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Professional Security Systemspssal.com HQ: Huntsville, AL, United StatesReported employees: 11-50 | Huntsville, AL, United States | 11-50 | Exact match | 112 contacts → |
“Professional Security System has been securing our neighbors homes and businesses in North Alabama for over 25 years.” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Zeus Fire And Securityzeusfireandsecurity.com HQ: Paoli, PA, United StatesReported employees: 501-1,000 | Paoli, PA, United States | 501-1,000 | Exact match | 102 contacts → |
“Zeus Fire & Security was established in 2021 to build a national network of fire protection and security providers recognized for execution excellence across a variety of service…” Recorded description excerpt · November 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,894 company matches
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Security system maintenance contractors: dataset insights
November 5, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,885 records in the displayed employee bands.
9 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,894 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 5, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Security system maintenance contractors by metro
Questions about this company list
What does Exact match mean for security system maintenance contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many security system maintenance contractors did RevenueBase find based in the United States?
The saved snapshot records 1,894 matching company records, 24,045 tracked contacts and 6,456 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 5, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Security system maintenance contractors by geography
- Security system maintenance contractors based in Melbourne, Australia
- Security system maintenance contractors based in Sydney, Australia
- Security system maintenance contractors based in Sao Paulo, Brazil
- Security system maintenance contractors based in Calgary, Canada
- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand
- Security system maintenance contractors based in Johannesburg, South Africa
- Security system maintenance contractors based in Madrid, Spain
- Security system maintenance contractors based in Stockholm, Sweden
- Security system maintenance contractors based in Dubai, United Arab Emirates
- Security system maintenance contractors based in Birmingham, United Kingdom
- Security system maintenance contractors based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 security system maintenance contractors based in the United States. Snapshot: November 5, 2026. https://revenuebase.ai/companies/security-system-maintenance-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Security system maintenance contractors based in Melbourne, Australia
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- Security system maintenance contractors based in Toronto, Canada
- Security system maintenance contractors based in Auckland, New Zealand