Company lists · Data refreshed October 2026
Top 25 Diplomats security services based in the United States
RevenueBase identified 888 company matches for diplomats security services associated with the United States as of October 2026 and tracks 22,193 professional contacts across them, including 1,828 with verified work emails. New York is the largest hub.
This list covers company matches for diplomats security services 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 October 19, 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 diplomats security services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,485 contacts → | ||||
Exact match “Guardsmark, LLC provides security services.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,181 contacts → | ||||
Exact match “SOS Security is a known innovator and leader in the security and protective services industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,173 contacts → | ||||
Exact match “Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 1,102 contacts → | ||||
Exact match “Founded in 1982, St.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 999 contacts → | ||||
Exact match “As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 765 contacts → | ||||
Exact match “Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 658 contacts → | ||||
Exact match “Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 570 contacts → | ||||
Exact match “DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 565 contacts → | ||||
Exact match “Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 476 contacts → | ||||
Exact match “American Guard Services is an established, reliable and accredited security protection firm.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 452 contacts → | ||||
Exact match “Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 360 contacts → | ||||
Exact match “For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 337 contacts → | ||||
Exact match “iidon Security Associates provides premier security services catered to your company's needs.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 317 contacts → | ||||
Exact match “Harvard Protection Services is one of the nation’s premier security firms.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 290 contacts → | ||||
Exact match “Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 222 contacts → | ||||
Exact match “At ProGuard Security Services, we are unwavering in our commitment to achieving 100% accuracy through operational execution.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 214 contacts → | ||||
Exact match “T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 174 contacts → | ||||
Exact match “Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 168 contacts → | ||||
Exact match “Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 153 contacts → | ||||
Exact match “Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 151 contacts → | ||||
Exact match “In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 143 contacts → | ||||
Exact match “Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 121 contacts → | ||||
Exact match “At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 119 contacts → | ||||
Exact match “MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 115 contacts → | ||||
Exact match “ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded in the RevenueBase company graph · Oct 19, 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 “diplomats security services”. 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 888 diplomats security services based in the United States
See the full list, filter by size, metro and specialty, and access 1,828 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Diplomats security services based in the United States at a glance
As of Oct 19, 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 888 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 “diplomats security services” 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 1,828 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 October 19, 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.
Diplomats security services 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 “diplomats security services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many diplomats security services are there based in the United States?
RevenueBase identified 888 company matches for diplomats security services associated with the United States as of October 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?
Guardsmark tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most diplomats security services?
New York leads with 43 company records, followed by Los Angeles (32) and Houston (25).
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 1,828 professional contacts with verified work emails tracked across these 888 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 888 diplomats security services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Diplomats security services by geography
- Diplomats security services based in London, United Kingdom
- Diplomats security services based in Los Angeles, United States
- Diplomats security services based in New York, United States
- Diplomats security services based in Australia
- Diplomats security services based in Brazil
- Diplomats security services based in Canada
- Diplomats security services based in France
- Diplomats security services based in Germany
- Diplomats security services based in India
- Diplomats security services based in Italy
- Diplomats security services based in Mexico
- Diplomats security services based in the Netherlands
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
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- New lists
- Diplomats security services based in London, United Kingdom
- Diplomats security services based in Los Angeles, United States
- Diplomats security services based in New York, United States
- Diplomats security services based in Australia
- Diplomats security services based in Brazil
- Diplomats security services based in Canada
Company intelligence · public preview
Top 25 diplomats security services 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 888 matching company records for diplomats security services based in the United States, with 22,193 tracked contacts and 1,828 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: October 19, 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 diplomats security services 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 |  Guardsmarkguardsmark.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,485 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SOS Security LLCsossecurity.comHQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,181 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Andrews Internationalandrewsinternational.comHQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,173 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  St. Moritz Security Services, INCsmssi.comHQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,102 contacts → |
“Founded in 1982, St.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  First Coast Securityfcssecurity.usHQ: Jacksonville, FL, United StatesReported employees: 5,001-10,000 | Jacksonville, FL, United States | 5,001-10,000 | Exact match | 999 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Akal Securityakalsecurity.comHQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 765 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Sallyport Globalsallyportglobal.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 658 contacts → |
“Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DK Securitydksecurity.comHQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 570 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MSA Securityaus.comHQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 565 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  American Guard Services, INCamericanguardservices.comHQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 476 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Summit Security Services, INCsummitsecurity.comHQ: Uniondale, NY, United StatesReported employees: 1,001-5,000 | Uniondale, NY, United States | 1,001-5,000 | Exact match | 452 contacts → |
“Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Master Securitymastersecurity.usHQ: Hunt Valley, MD, United StatesReported employees: 201-500 | Hunt Valley, MD, United States | 201-500 | Exact match | 360 contacts → |
“For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Iidon Security Associatesiidon.netHQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 337 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Harvard Protection Services, LLCharvardprotect.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 317 contacts → |
“Harvard Protection Services is one of the nation’s premier security firms.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Global Elite Groupglobaleliteinc.comHQ: Garden City, NY, United StatesReported employees: 1,001-5,000 | Garden City, NY, United States | 1,001-5,000 | Exact match | 290 contacts → |
“Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Proguard Security Servicesproguardsecurityservices.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 222 contacts → |
“At ProGuard Security Services, we are unwavering in our commitment to achieving 100% accuracy through operational execution.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  T&m Usa, LLCtmusallc.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 214 contacts → |
“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  TOP Guard Securitytopguardinc.comHQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 174 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Silversealsilverseal.netHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Coastal International Security, INCcoastalgs.comHQ: Espanola, NM, United StatesReported employees: 201-500 | Espanola, NM, United States | 201-500 | Exact match | 153 contacts → |
“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Diversified Protection Corporationdpcsecurity.comHQ: Daniel Island, SC, United StatesReported employees: 501-1,000 | Daniel Island, SC, United States | 501-1,000 | Exact match | 151 contacts → |
“In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  American Securitytrustamericansecurity.comHQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 143 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  International Proactive Security INCipshospitality.comHQ: Paramus, NJ, United StatesReported employees: 501-1,000 | Paramus, NJ, United States | 501-1,000 | Exact match | 121 contacts → |
“At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  MPS Security & Protectionsecurity-mps.comHQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 119 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ISS Actionissaction.comHQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 115 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 888 company matches
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Diplomats security services: dataset insights
October 19, 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
886 records in the displayed employee bands.
2 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 888 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: October 19, 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 ↗
Diplomats security services by metro
Questions about this company list
What does Exact match mean for diplomats security services?
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 diplomats security services did RevenueBase find based in the United States?
The saved snapshot records 888 matching company records, 22,193 tracked contacts and 1,828 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: October 19, 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
Diplomats security services by geography
- Diplomats security services based in London, United Kingdom
- Diplomats security services based in Los Angeles, United States
- Diplomats security services based in New York, United States
- Diplomats security services based in Australia
- Diplomats security services based in Brazil
- Diplomats security services based in Canada
- Diplomats security services based in France
- Diplomats security services based in Germany
- Diplomats security services based in India
- Diplomats security services based in Italy
- Diplomats security services based in Mexico
- Diplomats security services based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 diplomats security services based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/diplomats-security-services/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
- Diplomats security services based in London, United Kingdom
- Diplomats security services based in Los Angeles, United States
- Diplomats security services based in New York, United States
- Diplomats security services based in Australia
- Diplomats security services based in Brazil
- Diplomats security services based in Canada
Company intelligence · public preview
Top 25 diplomats security services based in the United States
RevenueBase records 888 matching company records for diplomats security services based in the United States, with 22,193 tracked contacts and 1,828 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: October 19, 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 diplomats security services 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 | Guardsmarkguardsmark.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 1,485 contacts → |
“Guardsmark, LLC provides security services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SOS Security LLCsossecurity.com HQ: Parsippany, NJ, United StatesReported employees: 10001+ | Parsippany, NJ, United States | 10001+ | Exact match | 1,181 contacts → |
“SOS Security is a known innovator and leader in the security and protective services industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Andrews Internationalandrewsinternational.com HQ: Burbank, CA, United StatesReported employees: 10001+ | Burbank, CA, United States | 10001+ | Exact match | 1,173 contacts → |
“Twenty-five years ago Andrews International (AI) began forming a network of the world’s foremost security authorities and connecting with strategic partners for operations…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | St. Moritz Security Services, INCsmssi.com HQ: Pittsburgh, PA, United StatesReported employees: 5,001-10,000 | Pittsburgh, PA, United States | 5,001-10,000 | Exact match | 1,102 contacts → |
“Founded in 1982, St.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | First Coast Securityfcssecurity.us HQ: Jacksonville, FL, United StatesReported employees: 5,001-10,000 | Jacksonville, FL, United States | 5,001-10,000 | Exact match | 999 contacts → |
“As an established mid-market company, clients throughout the country entrust us as the best-qualified firm to protect their highest-value assets – while delivering the quality…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Akal Securityakalsecurity.com HQ: Espanola, NM, United StatesReported employees: 10001+ | Espanola, NM, United States | 10001+ | Exact match | 765 contacts → |
“Known for our responsiveness, innovation, and customer-focused service, Akal provides officers and specialized training to a broad range of clients.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Sallyport Globalsallyportglobal.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 658 contacts → |
“Sallyport Global a Caliburn company is a global provider of a full spectrum of security and mission support solutions tailored to enable global security and stability operations.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DK Securitydksecurity.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 570 contacts → |
“DK Security is unique in that it offers a single company for a wide ranging availability of security and investigative services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MSA Securityaus.com HQ: New York, NY, United StatesReported employees: 10001+ | New York, NY, United States | 10001+ | Exact match | 565 contacts → |
“Allied Universal Enhanced Protection Services delivers unrivaled threat mitigation expertise for government and business entities worldwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | American Guard Services, INCamericanguardservices.com HQ: Gardena, CA, United StatesReported employees: 501-1,000 | Gardena, CA, United States | 501-1,000 | Exact match | 476 contacts → |
“American Guard Services is an established, reliable and accredited security protection firm.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Summit Security Services, INCsummitsecurity.com HQ: Uniondale, NY, United StatesReported employees: 1,001-5,000 | Uniondale, NY, United States | 1,001-5,000 | Exact match | 452 contacts → |
“Established in 1976, Summit is one of the largest privately owned security services firms in the United States.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Master Securitymastersecurity.us HQ: Hunt Valley, MD, United StatesReported employees: 201-500 | Hunt Valley, MD, United States | 201-500 | Exact match | 360 contacts → |
“For over 50 years, Master Security has provided outstanding security services for state and federal government agencies and private enterprises.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Iidon Security Associatesiidon.net HQ: Dallas, TX, United StatesReported employees: 501-1,000 | Dallas, TX, United States | 501-1,000 | Exact match | 337 contacts → |
“iidon Security Associates provides premier security services catered to your company's needs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Harvard Protection Services, LLCharvardprotect.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 317 contacts → |
“Harvard Protection Services is one of the nation’s premier security firms.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Global Elite Groupglobaleliteinc.com HQ: Garden City, NY, United StatesReported employees: 1,001-5,000 | Garden City, NY, United States | 1,001-5,000 | Exact match | 290 contacts → |
“Global Elite Group, headquartered in Garden City, NY, is a leading provider of security services worldwide.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Proguard Security Servicesproguardsecurityservices.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 222 contacts → |
“At ProGuard Security Services, we are unwavering in our commitment to achieving 100% accuracy through operational execution.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | T&m Usa, LLCtmusallc.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 214 contacts → |
“T&M USA provides seamlessly integrated executive protection, investigative and consulting services.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | TOP Guard Securitytopguardinc.com HQ: Norfolk, VA, United StatesReported employees: 501-1,000 | Norfolk, VA, United States | 501-1,000 | Exact match | 174 contacts → |
“Top Guard Security provides uniformed unarmed and armed private security officer services and believes in a balanced approach to private security services management.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Silversealsilverseal.net HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Silverseal is a comprehensive security solutions firm with worldwide affiliations that can provide global security services in a highly professional manner.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Coastal International Security, INCcoastalgs.com HQ: Espanola, NM, United StatesReported employees: 201-500 | Espanola, NM, United States | 201-500 | Exact match | 153 contacts → |
“Coastal International Security provides strategic planning and security services to high-impact government agencies such as the Department of State, Homeland Security and Defense…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Diversified Protection Corporationdpcsecurity.com HQ: Daniel Island, SC, United StatesReported employees: 501-1,000 | Daniel Island, SC, United States | 501-1,000 | Exact match | 151 contacts → |
“In a eld that is highly competitive, Diversified Protection Corporation (DPC) is a spirited company effectively providing superior security services to federal and commercial…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | American Securitytrustamericansecurity.com HQ: Greenville, SC, United StatesReported employees: 1,001-5,000 | Greenville, SC, United States | 1,001-5,000 | Exact match | 143 contacts → |
“Privately owned and operated, American Security has grown from an entrepreneurial start-up in 1975 to become one of the largest Southeastern-based security firms with over 3,500…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | International Proactive Security INCipshospitality.com HQ: Paramus, NJ, United StatesReported employees: 501-1,000 | Paramus, NJ, United States | 501-1,000 | Exact match | 121 contacts → |
“At IPS, we have a simple and powerful mission: to consistently deliver elite security services to meet the unique needs of each client, ensuring their safety and peace of mind.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MPS Security & Protectionsecurity-mps.com HQ: Murrieta, CA, United StatesReported employees: 51-200 | Murrieta, CA, United States | 51-200 | Exact match | 119 contacts → |
“MPS Security, a division of National Business Investigations, Inc.(NBI), is a full-service security firm providing Executive Protection and Residential Security Team protection.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ISS Actionissaction.com HQ: Queens, United StatesReported employees: 201-500 | Queens, United States | 201-500 | Exact match | 115 contacts → |
“ISS Action has been at the vanguard of the security services since it opened its doors in 1991.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 888 company matches
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Diplomats security services: dataset insights
October 19, 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
886 records in the displayed employee bands.
2 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 888 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: October 19, 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 ↗
Diplomats security services by metro
Questions about this company list
What does Exact match mean for diplomats security services?
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 diplomats security services did RevenueBase find based in the United States?
The saved snapshot records 888 matching company records, 22,193 tracked contacts and 1,828 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: October 19, 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
Diplomats security services by geography
- Diplomats security services based in London, United Kingdom
- Diplomats security services based in Los Angeles, United States
- Diplomats security services based in New York, United States
- Diplomats security services based in Australia
- Diplomats security services based in Brazil
- Diplomats security services based in Canada
- Diplomats security services based in France
- Diplomats security services based in Germany
- Diplomats security services based in India
- Diplomats security services based in Italy
- Diplomats security services based in Mexico
- Diplomats security services based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 diplomats security services based in the United States. Snapshot: October 19, 2026. https://revenuebase.ai/companies/diplomats-security-services/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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- Diplomats security services based in Brazil
- Diplomats security services based in Canada