Company lists · Data refreshed September 2026
Top 17 Security management companies based in Washington, United States
RevenueBase identified 44 company matches for security management companies associated with Washington, United States as of September 2026 and tracks 631 professional contacts across them, including 87 with verified work emails. Across the United States, New York is the largest hub for this category (160 companies); Washington has 44.
This list covers company matches for security management companies associated with Washington, 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 14, 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 security management companies based in Washington, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 63 contacts → | ||||
Exact match “Established in 1974, Colorado Security Agency (CSA) is a professional security provider based in Georgetown Washington DC.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 2 | 37 contacts → | ||||
Exact match “Global Security & Innovative Strategies (GSIS) leverages its extensive private sector, homeland, public security, public sector and international expertise to provide…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 3 | 27 contacts → | ||||
Exact match “MISSION: At Keystone, our primary mission is to provide our people and businesses with the best security monitoring solutions that precisely meet their unique needs, powered by…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 4 | 26 contacts → | ||||
Exact match “Valens Global takes a comprehensive, methodical, and thoughtful approach to security.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 5 | 20 contacts → | ||||
Exact match “Hire Police is a physical security company that provides on-site physical security and roving security patrols using unarmed guards and armed officers.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 6 | 19 contacts → | ||||
Exact match “At Georgetown Protective Services, we provide top-tier security solutions tailored to your needs.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 7 | 11 contacts → | ||||
Exact match “Personnel Security Professionals was started by two veterans who have served as government and contract subject matter experts in Industry and Personnel Security for more than 30…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 8 | 11 contacts → | ||||
Exact match “At USP Security, we understand that safety is paramount, and we are dedicated to providing top-notch armed and unarmed security services for a diverse range of industries.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “A.T.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 10 | 4 contacts → | ||||
Exact match “At 4th Gen, we specialize in safeguarding what matters most to your organization - intellectual property, personnel, and reputation.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 11 | 4 contacts → | ||||
Exact match “XK Group provides advisory services Due Diligence Security Assessments Competitive Intelligence Background Investigations Crisis Management Insider Threat Analysis Fraud…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 12 | 3 contacts → | ||||
Exact match “Axios Security Group (ASG) is a veteran owned and operated Physical and Digital Security Consulting Company.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “International Security Consulting Group (ISCG) is a premier US-based security consultancy, driven by a team of dedicated, results-oriented professionals.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Aluma is a risk management/security advisory firm that specializes in the U.S.” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Drawing upon decades of experience protecting US Presidents and influential world leaders, CLT3 Security Consulting provides companies, government entities and individuals with…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “Emergency Response and Global Security Solutions, LLC (ERGSS) is a premier consulting firm that delivers exceptional professional consulting, training, and services to…” Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “At Night Owl Protective Services we provide common sense, cost effective security protective services for any commercial or residential site in the nation's capital.” Recorded in the RevenueBase company graph · Sep 14, 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 management companies”. 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 44 security management companies based in Washington, United States
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Security management companies based in Washington, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 44 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 Washington, United States whose business descriptions match “security management companies” 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 87 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 14, 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 management companies by metro in the United States
- Security management companies in New York160
- Security management companies in Los Angeles140
- Security management companies in Houston120
- Security management companies in Miami101
- Security management companies in Atlanta78
- Security management companies in Dallas67
- Security management companies in Chicago66
- Security management companies in Austin54
- Security management companies in Denver49
- Security management companies in Phoenix49
- Security management companies in Las Vegas46
- Security management companies in Tampa40
- Security management companies in San Antonio33
- Security management companies in San Francisco33
- Security management companies in Seattle32
- Security management companies in Charlotte31
- Security management companies in San Diego31
- Security management companies in Boston27
- Security management companies in Sacramento26
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 management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many security management companies are there based in Washington, United States?
RevenueBase identified 44 company matches for security management companies associated with Washington, 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?
Colorado Security Agency 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 security management companies?
New York leads the United States with 160 company records, followed by Los Angeles (140) and Houston (120). Washington has 44.
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 87 professional contacts with verified work emails tracked across these 44 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 44 security management companies based in Washington, United States. Start with a free account, no credit card.
Download this list →Related lists
Security management companies by geography
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- Security management companies based in Curitiba, Brazil
- Security management companies based in Rio De Janeiro, Brazil
- Security management companies based in Sao Paulo, Brazil
- Security management companies based in Calgary, Canada
- Security management companies based in Mississauga, Canada
- Security management companies based in Ottawa, Canada
- Security management companies based in Toronto, Canada
- Security management companies based in Vancouver, Canada
- Security management companies based in Gurgaon, India
- Security management companies based in Mumbai, India
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 management companies based in Melbourne, Australia
- Security management companies based in Sydney, Australia
- Security management companies based in Curitiba, Brazil
- Security management companies based in Rio De Janeiro, Brazil
- Security management companies based in Sao Paulo, Brazil
- Security management companies based in Calgary, Canada
Company intelligence · public preview
Top 17 security management companies based in Washington, 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 44 matching company records for security management companies based in Washington, United States, with 631 tracked contacts and 87 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 14, 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 security management companies based in Washington, 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 |  Colorado Security Agencycoloradosecurityagency.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 63 contacts → |
“Established in 1974, Colorado Security Agency (CSA) is a professional security provider based in Georgetown Washington DC.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“Global Security & Innovative Strategies (GSIS) leverages its extensive private sector, homeland, public security, public sector and international expertise to provide…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Keystone Security Serviceskeystonesecurity.netHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 27 contacts → |
“MISSION: At Keystone, our primary mission is to provide our people and businesses with the best security monitoring solutions that precisely meet their unique needs, powered by…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Valens Globalvalensglobal.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Valens Global takes a comprehensive, methodical, and thoughtful approach to security.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Hire Policehirepolice.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 20 contacts → |
“Hire Police is a physical security company that provides on-site physical security and roving security patrols using unarmed guards and armed officers.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Georgetown Protective Servicesgeorgetownprotection.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 19 contacts → |
“At Georgetown Protective Services, we provide top-tier security solutions tailored to your needs.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Personnel Security Professionalspersecpros.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 11 contacts → |
“Personnel Security Professionals was started by two veterans who have served as government and contract subject matter experts in Industry and Personnel Security for more than 30…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  USP Securityuspsecurity.comHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 11 contacts → |
“At USP Security, we understand that safety is paramount, and we are dedicated to providing top-notch armed and unarmed security services for a diverse range of industries.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Atps Securityatpssecurity.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 5 contacts → |
“A.T.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  4thgen INC4thgen.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“At 4th Gen, we specialize in safeguarding what matters most to your organization - intellectual property, personnel, and reputation.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  XK Groupxkgroup.orgHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“XK Group provides advisory services Due Diligence Security Assessments Competitive Intelligence Background Investigations Crisis Management Insider Threat Analysis Fraud…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Axios Security Groupaxiossecuritygroup.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 3 contacts → |
“Axios Security Group (ASG) is a veteran owned and operated Physical and Digital Security Consulting Company.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Iscg International Security Consulting Groupiscgconsulting.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“International Security Consulting Group (ISCG) is a premier US-based security consultancy, driven by a team of dedicated, results-oriented professionals.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ALUMAalumarisk.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Aluma is a risk management/security advisory firm that specializes in the U.S.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Clt3 Consulting, LLCclt3consulting.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Drawing upon decades of experience protecting US Presidents and influential world leaders, CLT3 Security Consulting provides companies, government entities and individuals with…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 1 contacts → |
“Emergency Response and Global Security Solutions, LLC (ERGSS) is a premier consulting firm that delivers exceptional professional consulting, training, and services to…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Night OWL Protective Services, LLCnightopsusa.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“At Night Owl Protective Services we provide common sense, cost effective security protective services for any commercial or residential site in the nation's capital.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 44 company matches
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Security management companies: dataset insights
September 14, 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
44 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.
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 44 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: September 14, 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 management companies by metro in the United States
- Security management companies in New York160
- Security management companies in Los Angeles140
- Security management companies in Houston120
- Security management companies in Miami101
- Security management companies in Atlanta78
- Security management companies in Dallas67
- Security management companies in Chicago66
- Security management companies in Austin54
- Security management companies in Denver49
- Security management companies in Phoenix49
- Security management companies in Las Vegas46
- Security management companies in Tampa40
- Security management companies in San Antonio33
- Security management companies in San Francisco33
- Security management companies in Seattle32
- Security management companies in Charlotte31
- Security management companies in San Diego31
- Security management companies in Boston27
- Security management companies in Sacramento26
Questions about this company list
What does Exact match mean for security management companies?
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 management companies did RevenueBase find based in Washington, United States?
The saved snapshot records 44 matching company records, 631 tracked contacts and 87 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 14, 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 management companies by geography
- Security management companies based in Melbourne, Australia
- Security management companies based in Sydney, Australia
- Security management companies based in Curitiba, Brazil
- Security management companies based in Rio De Janeiro, Brazil
- Security management companies based in Sao Paulo, Brazil
- Security management companies based in Calgary, Canada
- Security management companies based in Mississauga, Canada
- Security management companies based in Ottawa, Canada
- Security management companies based in Toronto, Canada
- Security management companies based in Vancouver, Canada
- Security management companies based in Gurgaon, India
- Security management companies based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 17 security management companies based in Washington, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/security-management-companies/united-states/washington.
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 management companies based in Melbourne, Australia
- Security management companies based in Sydney, Australia
- Security management companies based in Curitiba, Brazil
- Security management companies based in Rio De Janeiro, Brazil
- Security management companies based in Sao Paulo, Brazil
- Security management companies based in Calgary, Canada
Company intelligence · public preview
Top 17 security management companies based in Washington, United States
RevenueBase records 44 matching company records for security management companies based in Washington, United States, with 631 tracked contacts and 87 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 14, 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 security management companies based in Washington, 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 | Colorado Security Agencycoloradosecurityagency.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 63 contacts → |
“Established in 1974, Colorado Security Agency (CSA) is a professional security provider based in Georgetown Washington DC.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 37 contacts → |
“Global Security & Innovative Strategies (GSIS) leverages its extensive private sector, homeland, public security, public sector and international expertise to provide…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Keystone Security Serviceskeystonesecurity.net HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 27 contacts → |
“MISSION: At Keystone, our primary mission is to provide our people and businesses with the best security monitoring solutions that precisely meet their unique needs, powered by…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Valens Globalvalensglobal.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Valens Global takes a comprehensive, methodical, and thoughtful approach to security.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Hire Policehirepolice.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 20 contacts → |
“Hire Police is a physical security company that provides on-site physical security and roving security patrols using unarmed guards and armed officers.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Georgetown Protective Servicesgeorgetownprotection.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 19 contacts → |
“At Georgetown Protective Services, we provide top-tier security solutions tailored to your needs.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Personnel Security Professionalspersecpros.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 11 contacts → |
“Personnel Security Professionals was started by two veterans who have served as government and contract subject matter experts in Industry and Personnel Security for more than 30…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | USP Securityuspsecurity.com HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 11 contacts → |
“At USP Security, we understand that safety is paramount, and we are dedicated to providing top-notch armed and unarmed security services for a diverse range of industries.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Atps Securityatpssecurity.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 5 contacts → |
“A.T.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 4thgen INC4thgen.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“At 4th Gen, we specialize in safeguarding what matters most to your organization - intellectual property, personnel, and reputation.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | XK Groupxkgroup.org HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 4 contacts → |
“XK Group provides advisory services Due Diligence Security Assessments Competitive Intelligence Background Investigations Crisis Management Insider Threat Analysis Fraud…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Axios Security Groupaxiossecuritygroup.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 3 contacts → |
“Axios Security Group (ASG) is a veteran owned and operated Physical and Digital Security Consulting Company.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Iscg International Security Consulting Groupiscgconsulting.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“International Security Consulting Group (ISCG) is a premier US-based security consultancy, driven by a team of dedicated, results-oriented professionals.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ALUMAalumarisk.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 3 contacts → |
“Aluma is a risk management/security advisory firm that specializes in the U.S.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Clt3 Consulting, LLCclt3consulting.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 2 contacts → |
“Drawing upon decades of experience protecting US Presidents and influential world leaders, CLT3 Security Consulting provides companies, government entities and individuals with…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 1 contacts → |
“Emergency Response and Global Security Solutions, LLC (ERGSS) is a premier consulting firm that delivers exceptional professional consulting, training, and services to…” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Night OWL Protective Services, LLCnightopsusa.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 1 contacts → |
“At Night Owl Protective Services we provide common sense, cost effective security protective services for any commercial or residential site in the nation's capital.” Recorded description excerpt · September 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 44 company matches
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Security management companies: dataset insights
September 14, 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
44 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.
Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 44 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: September 14, 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 management companies by metro in the United States
- Security management companies in New York160
- Security management companies in Los Angeles140
- Security management companies in Houston120
- Security management companies in Miami101
- Security management companies in Atlanta78
- Security management companies in Dallas67
- Security management companies in Chicago66
- Security management companies in Austin54
- Security management companies in Denver49
- Security management companies in Phoenix49
- Security management companies in Las Vegas46
- Security management companies in Tampa40
- Security management companies in San Antonio33
- Security management companies in San Francisco33
- Security management companies in Seattle32
- Security management companies in Charlotte31
- Security management companies in San Diego31
- Security management companies in Boston27
- Security management companies in Sacramento26
Questions about this company list
What does Exact match mean for security management companies?
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 management companies did RevenueBase find based in Washington, United States?
The saved snapshot records 44 matching company records, 631 tracked contacts and 87 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 14, 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 management companies by geography
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- Security management companies based in Toronto, Canada
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- Security management companies based in Gurgaon, India
- Security management companies based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 17 security management companies based in Washington, United States. Snapshot: September 14, 2026. https://revenuebase.ai/companies/security-management-companies/united-states/washington.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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