Company lists · Data refreshed September 2026
Top 10 Workplace security management companies based in Baltimore, United States
RevenueBase identified 30 company matches for workplace security management companies associated with Baltimore, United States as of September 2026 and tracks 709 professional contacts across them, including 92 with verified work emails. Across the United States, New York is the largest hub for this category (184 companies); Baltimore has 30.
This list covers company matches for workplace security management companies associated with Baltimore, 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 29, 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 10 largest workplace security management companies based in Baltimore, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 225 contacts → | ||||
Exact match “Founded in 1982, Broadway Services Inc, is one of the region's largest locally owned and operated contract management companies located in the heart of Baltimore City.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 68 contacts → | ||||
Exact match “DMAC Security is a professional security services provider offering armed and unarmed guards, mobile patrol, fire watch, and surveillance solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 56 contacts → | ||||
Exact match “As an industry leader in safety and security systems design, implementation, and maintenance, we bring the best in the business together for you.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 53 contacts → | ||||
Exact match “ICS is a locally-owned, private security company providing trustworthy, proactive, hands-on protection services to people and businesses in Maryland, Virginia, and Washington, DC.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 12 contacts → | ||||
Exact match “At Easter's Lock & Security Solutions, we're dedicated to providing our customers with fast, dependable service at reasonable rates, just as we have since 1953.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 6 contacts → | ||||
Exact match “Founded in 2013, Pabst Enterprises is a Baltimore, Maryland based company specializing in security and investigative operations and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “At S3 Integration, L.L.C, we are proud to offer the power and experience of a large company with the agility, responsiveness, and personal attention of a small company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 5 contacts → | ||||
Exact match “American Blackbird is a group of highly experienced senior electronic security professionals.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “Mix and match devices from four categories: alarm sensors, security cameras, door/elevator/gate access, and visitor entry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “On Site Police dba On Site Protection is full service security staffing company based out of Baltimore, Maryland since its founding in 2019.” Recorded in the RevenueBase company graph · Sep 29, 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 “workplace 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 10 of 30 workplace security management companies based in Baltimore, United States
See the full list, filter by size, metro and specialty, and access 92 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Workplace security management companies based in Baltimore, United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Baltimore, so it is reported there. Company counts and contact totals on this page are exact for Baltimore, over 30 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 Baltimore, United States whose business descriptions match “workplace 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 92 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 29, 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.
Workplace security management companies by metro in the United States
- Workplace security management companies in New York184
- Workplace security management companies in Los Angeles141
- Workplace security management companies in Houston134
- Workplace security management companies in Miami109
- Workplace security management companies in Chicago77
- Workplace security management companies in Atlanta76
- Workplace security management companies in Dallas75
- Workplace security management companies in Austin57
- Workplace security management companies in Las Vegas53
- Workplace security management companies in Phoenix51
- Workplace security management companies in Denver46
- Workplace security management companies in Orlando45
- Workplace security management companies in Charlotte41
- Workplace security management companies in Washington41
- Workplace security management companies in San Francisco37
- Workplace security management companies in Tampa36
- Workplace security management companies in San Diego35
- Workplace security management companies in Boston29
- Workplace security management companies in San Antonio29
- Workplace security management companies in San Jose29
- Workplace security management companies in Sacramento28
- Workplace security management companies in Minneapolis26
- Workplace security management companies in Beverly Hills25
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 “workplace security management companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many workplace security management companies are there based in Baltimore, United States?
RevenueBase identified 30 company matches for workplace security management companies associated with Baltimore, 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?
Broadway Services, INC 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 workplace security management companies?
New York leads the United States with 184 company records, followed by Los Angeles (141) and Houston (134). Baltimore has 30.
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 92 professional contacts with verified work emails tracked across these 30 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 30 workplace security management companies based in Baltimore, United States. Start with a free account, no credit card.
Download this list →Related lists
Workplace security management companies by geography
- Workplace security management companies based in Buenos Aires, Argentina
- Workplace security management companies based in Brisbane, Australia
- Workplace security management companies based in Melbourne, Australia
- Workplace security management companies based in Sydney, Australia
- Workplace security management companies based in Belo Horizonte, Brazil
- Workplace security management companies based in Curitiba, Brazil
- Workplace security management companies based in Rio De Janeiro, Brazil
- Workplace security management companies based in Sao Paulo, Brazil
- Workplace security management companies based in Calgary, Canada
- Workplace security management companies based in Edmonton, Canada
- Workplace security management companies based in Mississauga, Canada
- Workplace security management companies based in Montreal, Canada
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
- Workplace security management companies based in Buenos Aires, Argentina
- Workplace security management companies based in Brisbane, Australia
- Workplace security management companies based in Melbourne, Australia
- Workplace security management companies based in Sydney, Australia
- Workplace security management companies based in Belo Horizonte, Brazil
- Workplace security management companies based in Curitiba, Brazil
Company intelligence · public preview
Top 10 workplace security management companies based in Baltimore, 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 30 matching company records for workplace security management companies based in Baltimore, United States, with 709 tracked contacts and 92 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 10 workplace security management companies based in Baltimore, 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 | Broadway Services, INCbroadwayservices.com HQ: Baltimore, MD, United StatesReported employees: 1,001-5,000 | Baltimore, MD, United States | 1,001-5,000 | Exact match | 225 contacts → |
“Founded in 1982, Broadway Services Inc, is one of the region's largest locally owned and operated contract management companies located in the heart of Baltimore City.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dmac Securitydmacsecurity.netHQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 68 contacts → |
“DMAC Security is a professional security services provider offering armed and unarmed guards, mobile patrol, fire watch, and surveillance solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sciens LS Systems Divisionlssmd.comHQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 56 contacts → |
“As an industry leader in safety and security systems design, implementation, and maintenance, we bring the best in the business together for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ICS Security Servicesicsprotection.comHQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 53 contacts → |
“ICS is a locally-owned, private security company providing trustworthy, proactive, hands-on protection services to people and businesses in Maryland, Virginia, and Washington, DC.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Easter's Lock & Security Solutionseasterslock.comHQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 12 contacts → |
“At Easter's Lock & Security Solutions, we're dedicated to providing our customers with fast, dependable service at reasonable rates, just as we have since 1953.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pabst Enterprisespabstent.comHQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 6 contacts → |
“Founded in 2013, Pabst Enterprises is a Baltimore, Maryland based company specializing in security and investigative operations and services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  S3 Integration, L.L.Cs3integration.comHQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 6 contacts → |
“At S3 Integration, L.L.C, we are proud to offer the power and experience of a large company with the agility, responsiveness, and personal attention of a small company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  American Blackbirdamblackbird.comHQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 5 contacts → |
“American Blackbird is a group of highly experienced senior electronic security professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Saberin Securitysaberinsecurity.comHQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 5 contacts → |
“Mix and match devices from four categories: alarm sensors, security cameras, door/elevator/gate access, and visitor entry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  On Site Policeonsitepolice.comHQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 3 contacts → |
“On Site Police dba On Site Protection is full service security staffing company based out of Baltimore, Maryland since its founding in 2019.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 30 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Workplace security management companies: dataset insights
September 29, 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
30 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 Baltimore, so it is reported there. Company counts and contact totals on this page are exact for Baltimore, over 30 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 29, 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 ↗
Workplace security management companies by metro in the United States
- Workplace security management companies in New York184
- Workplace security management companies in Los Angeles141
- Workplace security management companies in Houston134
- Workplace security management companies in Miami109
- Workplace security management companies in Chicago77
- Workplace security management companies in Atlanta76
- Workplace security management companies in Dallas75
- Workplace security management companies in Austin57
- Workplace security management companies in Las Vegas53
- Workplace security management companies in Phoenix51
- Workplace security management companies in Denver46
- Workplace security management companies in Orlando45
- Workplace security management companies in Charlotte41
- Workplace security management companies in Washington41
- Workplace security management companies in San Francisco37
- Workplace security management companies in Tampa36
- Workplace security management companies in San Diego35
- Workplace security management companies in Boston29
- Workplace security management companies in San Antonio29
- Workplace security management companies in San Jose29
- Workplace security management companies in Sacramento28
- Workplace security management companies in Minneapolis26
- Workplace security management companies in Beverly Hills25
Questions about this company list
What does Exact match mean for workplace 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 workplace security management companies did RevenueBase find based in Baltimore, United States?
The saved snapshot records 30 matching company records, 709 tracked contacts and 92 verified emails. The public preview displays 10 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 29, 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
Workplace security management companies by geography
- Workplace security management companies based in Buenos Aires, Argentina
- Workplace security management companies based in Brisbane, Australia
- Workplace security management companies based in Melbourne, Australia
- Workplace security management companies based in Sydney, Australia
- Workplace security management companies based in Belo Horizonte, Brazil
- Workplace security management companies based in Curitiba, Brazil
- Workplace security management companies based in Rio De Janeiro, Brazil
- Workplace security management companies based in Sao Paulo, Brazil
- Workplace security management companies based in Calgary, Canada
- Workplace security management companies based in Edmonton, Canada
- Workplace security management companies based in Mississauga, Canada
- Workplace security management companies based in Montreal, Canada
Cite this list
RevenueBase Data Team. Top 10 workplace security management companies based in Baltimore, United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/workplace-security-management-companies/united-states/baltimore.
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
- Workplace security management companies based in Buenos Aires, Argentina
- Workplace security management companies based in Brisbane, Australia
- Workplace security management companies based in Melbourne, Australia
- Workplace security management companies based in Sydney, Australia
- Workplace security management companies based in Belo Horizonte, Brazil
- Workplace security management companies based in Curitiba, Brazil
Company intelligence · public preview
Top 10 workplace security management companies based in Baltimore, United States
RevenueBase records 30 matching company records for workplace security management companies based in Baltimore, United States, with 709 tracked contacts and 92 verified work emails.
This public preview shows 10 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 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 10 workplace security management companies based in Baltimore, 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 | Broadway Services, INCbroadwayservices.com HQ: Baltimore, MD, United StatesReported employees: 1,001-5,000 | Baltimore, MD, United States | 1,001-5,000 | Exact match | 225 contacts → |
“Founded in 1982, Broadway Services Inc, is one of the region's largest locally owned and operated contract management companies located in the heart of Baltimore City.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dmac Securitydmacsecurity.net HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 68 contacts → |
“DMAC Security is a professional security services provider offering armed and unarmed guards, mobile patrol, fire watch, and surveillance solutions.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sciens LS Systems Divisionlssmd.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 56 contacts → |
“As an industry leader in safety and security systems design, implementation, and maintenance, we bring the best in the business together for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ICS Security Servicesicsprotection.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 53 contacts → |
“ICS is a locally-owned, private security company providing trustworthy, proactive, hands-on protection services to people and businesses in Maryland, Virginia, and Washington, DC.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Easter's Lock & Security Solutionseasterslock.com HQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 12 contacts → |
“At Easter's Lock & Security Solutions, we're dedicated to providing our customers with fast, dependable service at reasonable rates, just as we have since 1953.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pabst Enterprisespabstent.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 6 contacts → |
“Founded in 2013, Pabst Enterprises is a Baltimore, Maryland based company specializing in security and investigative operations and services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | S3 Integration, L.L.Cs3integration.com HQ: Baltimore, MD, United StatesReported employees: 11-50 | Baltimore, MD, United States | 11-50 | Exact match | 6 contacts → |
“At S3 Integration, L.L.C, we are proud to offer the power and experience of a large company with the agility, responsiveness, and personal attention of a small company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | American Blackbirdamblackbird.com HQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 5 contacts → |
“American Blackbird is a group of highly experienced senior electronic security professionals.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Saberin Securitysaberinsecurity.com HQ: Baltimore, MD, United StatesReported employees: 1-10 | Baltimore, MD, United States | 1-10 | Exact match | 5 contacts → |
“Mix and match devices from four categories: alarm sensors, security cameras, door/elevator/gate access, and visitor entry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | On Site Policeonsitepolice.com HQ: Baltimore, MD, United StatesReported employees: 51-200 | Baltimore, MD, United States | 51-200 | Exact match | 3 contacts → |
“On Site Police dba On Site Protection is full service security staffing company based out of Baltimore, Maryland since its founding in 2019.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 10 of 30 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Workplace security management companies: dataset insights
September 29, 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
30 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 Baltimore, so it is reported there. Company counts and contact totals on this page are exact for Baltimore, over 30 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 29, 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 ↗
Workplace security management companies by metro in the United States
- Workplace security management companies in New York184
- Workplace security management companies in Los Angeles141
- Workplace security management companies in Houston134
- Workplace security management companies in Miami109
- Workplace security management companies in Chicago77
- Workplace security management companies in Atlanta76
- Workplace security management companies in Dallas75
- Workplace security management companies in Austin57
- Workplace security management companies in Las Vegas53
- Workplace security management companies in Phoenix51
- Workplace security management companies in Denver46
- Workplace security management companies in Orlando45
- Workplace security management companies in Charlotte41
- Workplace security management companies in Washington41
- Workplace security management companies in San Francisco37
- Workplace security management companies in Tampa36
- Workplace security management companies in San Diego35
- Workplace security management companies in Boston29
- Workplace security management companies in San Antonio29
- Workplace security management companies in San Jose29
- Workplace security management companies in Sacramento28
- Workplace security management companies in Minneapolis26
- Workplace security management companies in Beverly Hills25
Questions about this company list
What does Exact match mean for workplace 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 workplace security management companies did RevenueBase find based in Baltimore, United States?
The saved snapshot records 30 matching company records, 709 tracked contacts and 92 verified emails. The public preview displays 10 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 29, 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.
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Cite this list
RevenueBase Data Team. Top 10 workplace security management companies based in Baltimore, United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/workplace-security-management-companies/united-states/baltimore.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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