Company lists · Data refreshed September 2026
Top 17 Government security contractors based in Houston, United States
RevenueBase identified 75 company matches for government security contractors associated with Houston, United States as of September 2026 and tracks 994 professional contacts across them, including 57 with verified work emails and 275 with mobile numbers. Across the United States, New York is the largest hub for this category (91 companies); Houston has 76.
This list covers company matches for government security contractors associated with Houston, 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 September 12, 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 17 largest government security contractors based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 88 contacts → | ||||
Exact match “Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 2 | 45 contacts → | ||||
Exact match “We provide professional, licensed, and uniformed security guards and vehicle patrol.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 3 | 23 contacts → | ||||
Exact match “City Security Services is a state-licensed security guard service in Houston, TX, and we are committed to protecting both our clients and their interests.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 4 | 20 contacts → | ||||
Exact match “Security has become a current-day necessity.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 5 | 16 contacts → | ||||
Exact match “PPI Security is a company based out of HOUSTON, TEXAS, United States.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 6 | 15 contacts → | ||||
Exact match “Strategic Protection Solutions is a Texas-based company that specializes in providing peace-of-mind tools and resources to a broad list of industries.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “TRANSNET is a service provider for electronic security solutions as well as an IT expert that provides assessment, designs, installations, monitoring and maintenance to Security &…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 8 | 14 contacts → | ||||
Exact match “Always Ready to Answer the Call Whether you are the property manager of an apartment complex, shopping mall, or other facilities, you may at some point need the services of a…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 9 | 13 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “For over 20 years, 24 & 7 Security & Investigation has developed a reputation as one of Houston’s top security services.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “For almost three decades, The Guidry Group has been assisting clients to respond swiftly, intelligently, and effectively to the complete spectrum of security concerns.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “The 360 Worldwide Security, L.L.C.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Founded by Law Enforcement.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “In today’s dynamic environment security risks are paramount.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Blue Star Security provides highly qualified security officers that are prepared to work in any environment.” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “At Main Security and Investigations, our simple philosophy is to deliver professional, integrated security solutions and private investigative services for a wide range of clients…” Recorded in the RevenueBase company graph · Sep 12, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “ACUITUS International Corporation specializes in customized security solutions for governments, private organizations and high net-worth individuals.” Recorded in the RevenueBase company graph · Sep 12, 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 “government security 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 17 of 75 government security contractors based in Houston, United States
See the full list, filter by size, metro and specialty, and access 57 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Government security contractors based in Houston, United States at a glance
As of Sep 12, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 16.0dCompany record updated
Median 76.0dHow 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 Houston, United States whose business descriptions match “government security 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 57 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 September 12, 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.
Government security contractors by metro in the United States
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
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 “government security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many government security contractors are there based in Houston, United States?
RevenueBase identified 75 company matches for government security contractors associated with Houston, United States as of September 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?
ADM Security Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most government security contractors?
New York leads the United States with 91 company records, followed by Los Angeles (84) and Houston (76).
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 57 professional contacts with verified work emails tracked across these 75 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 September 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 75 government security contractors based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 17 government security contractors based in Houston, 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 75 matching company records for government security contractors based in Houston, United States, with 994 tracked contacts and 57 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 17 government security contractors based in Houston, 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 |  ADM Security Solutionsadmsecuritysolutions.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 88 contacts → |
“Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Enforce Security Services, INCenforcesecurity.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 45 contacts → |
“We provide professional, licensed, and uniformed security guards and vehicle patrol.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  City Security Services License C11614301citysecurityservices.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 23 contacts → |
“City Security Services is a state-licensed security guard service in Houston, TX, and we are committed to protecting both our clients and their interests.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 20 contacts → |
“Security has become a current-day necessity.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  PPI Securityppisecurity.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 16 contacts → |
“PPI Security is a company based out of HOUSTON, TEXAS, United States.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Strategic Protection Solutionsstrategicprotection.usHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 15 contacts → |
“Strategic Protection Solutions is a Texas-based company that specializes in providing peace-of-mind tools and resources to a broad list of industries.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Transnet Communications LLCtransnet-co.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“TRANSNET is a service provider for electronic security solutions as well as an IT expert that provides assessment, designs, installations, monitoring and maintenance to Security &…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Guards On Call Securityguardsoncall.usHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 14 contacts → |
“Always Ready to Answer the Call Whether you are the property manager of an apartment complex, shopping mall, or other facilities, you may at some point need the services of a…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ARK Of Safety Security Solutionsarkofsafetysolutions.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  24 & 7 Security & Investigations247si.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“For over 20 years, 24 & 7 Security & Investigation has developed a reputation as one of Houston’s top security services.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  The Guidry Groupguidry.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“For almost three decades, The Guidry Group has been assisting clients to respond swiftly, intelligently, and effectively to the complete spectrum of security concerns.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  360 Worldwide Security360worldwidesecurity.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“The 360 Worldwide Security, L.L.C.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Silbar Security Of Houstonsilbarsecurity.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“Founded by Law Enforcement.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Code III Solutions LLCcode3solutions.netHQ: Houston, United StatesReported employees: 1-10 | Houston, United States | 1-10 | Exact match | 2 contacts → |
“In today’s dynamic environment security risks are paramount.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Blue Star Securitybluestartx.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 2 contacts → |
“Blue Star Security provides highly qualified security officers that are prepared to work in any environment.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Main Security And Investigationsmainsitx.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“At Main Security and Investigations, our simple philosophy is to deliver professional, integrated security solutions and private investigative services for a wide range of clients…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Acuitus International LLCacuitus.globalHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“ACUITUS International Corporation specializes in customized security solutions for governments, private organizations and high net-worth individuals.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 75 company matches
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Government security contractors: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
75 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 16.0dCompany record updated
Median 76.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 12, 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 ↗
Government security contractors by metro in the United States
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
Questions about this company list
What does Exact match mean for government security 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 government security contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 75 matching company records, 994 tracked contacts and 57 verified emails. The public preview displays 17 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: September 12, 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
Government security contractors by geography
- Government security contractors based in the United States
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
- Government security contractors based in the Netherlands
- Government security contractors based in Italy
- Government security contractors based in Australia
- Government security contractors based in South Africa
- Government security contractors based in Mexico
- Government security contractors based in Argentina
Cite this list
RevenueBase Data Team. Top 17 government security contractors based in Houston, United States. Snapshot: September 12, 2026. https://revenuebase.ai/companies/government-security-contractors/united-states/houston.
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
- Government security contractors based in the United States
- Government security contractors based in the United Kingdom
- Government security contractors based in France
- Government security contractors based in Brazil
- Government security contractors based in Germany
- Government security contractors based in Canada
Company intelligence · public preview
Top 17 government security contractors based in Houston, United States
RevenueBase records 75 matching company records for government security contractors based in Houston, United States, with 994 tracked contacts and 57 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 12, 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 17 government security contractors based in Houston, 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 | ADM Security Solutionsadmsecuritysolutions.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 88 contacts → |
“Mission Statement “Always Exceed Expectations” ADM Security Solutions exceeds expectations by providing innovative, comprehensive security solutions incorporating high value…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Enforce Security Services, INCenforcesecurity.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 45 contacts → |
“We provide professional, licensed, and uniformed security guards and vehicle patrol.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | City Security Services License C11614301citysecurityservices.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 23 contacts → |
“City Security Services is a state-licensed security guard service in Houston, TX, and we are committed to protecting both our clients and their interests.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 20 contacts → |
“Security has become a current-day necessity.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | PPI Securityppisecurity.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 16 contacts → |
“PPI Security is a company based out of HOUSTON, TEXAS, United States.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Strategic Protection Solutionsstrategicprotection.us HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 15 contacts → |
“Strategic Protection Solutions is a Texas-based company that specializes in providing peace-of-mind tools and resources to a broad list of industries.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Transnet Communications LLCtransnet-co.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“TRANSNET is a service provider for electronic security solutions as well as an IT expert that provides assessment, designs, installations, monitoring and maintenance to Security &…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Guards On Call Securityguardsoncall.us HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 14 contacts → |
“Always Ready to Answer the Call Whether you are the property manager of an apartment complex, shopping mall, or other facilities, you may at some point need the services of a…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ARK Of Safety Security Solutionsarkofsafetysolutions.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 13 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | 24 & 7 Security & Investigations247si.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 9 contacts → |
“For over 20 years, 24 & 7 Security & Investigation has developed a reputation as one of Houston’s top security services.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | The Guidry Groupguidry.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“For almost three decades, The Guidry Group has been assisting clients to respond swiftly, intelligently, and effectively to the complete spectrum of security concerns.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | 360 Worldwide Security360worldwidesecurity.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“The 360 Worldwide Security, L.L.C.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Silbar Security Of Houstonsilbarsecurity.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“Founded by Law Enforcement.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Code III Solutions LLCcode3solutions.net HQ: Houston, United StatesReported employees: 1-10 | Houston, United States | 1-10 | Exact match | 2 contacts → |
“In today’s dynamic environment security risks are paramount.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Blue Star Securitybluestartx.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 2 contacts → |
“Blue Star Security provides highly qualified security officers that are prepared to work in any environment.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Main Security And Investigationsmainsitx.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
“At Main Security and Investigations, our simple philosophy is to deliver professional, integrated security solutions and private investigative services for a wide range of clients…” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Acuitus International LLCacuitus.global HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“ACUITUS International Corporation specializes in customized security solutions for governments, private organizations and high net-worth individuals.” Recorded description excerpt · September 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 75 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Government security contractors: dataset insights
September 12, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
75 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 16.0dCompany record updated
Median 76.0dHow 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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 12, 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 ↗
Government security contractors by metro in the United States
- Government security contractors in New York91
- Government security contractors in Los Angeles84
- Government security contractors in Miami50
- Government security contractors in Chicago46
- Government security contractors in Atlanta44
- Government security contractors in Dallas41
- Government security contractors in Las Vegas37
Questions about this company list
What does Exact match mean for government security 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 government security contractors did RevenueBase find based in Houston, United States?
The saved snapshot records 75 matching company records, 994 tracked contacts and 57 verified emails. The public preview displays 17 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: September 12, 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
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Cite this list
RevenueBase Data Team. Top 17 government security contractors based in Houston, United States. Snapshot: September 12, 2026. https://revenuebase.ai/companies/government-security-contractors/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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