Find security firms
Find security companies by service, licence, and coverage
Guarding, systems integration, and monitoring are three businesses filed under one word. Their workforces, margins, and software needs have nothing in common.
Start by splitting the word. A manned guarding firm schedules hundreds of shift workers across client sites. A systems integrator installs and services hardware on projects. A monitoring provider runs a central station around the clock. One list that mixes all three cannot be sequenced.
State licensing then does the geography for you, up to a point. Firms usually name the states they are licensed in on their own site, and that claim reads into a column you can filter against your own territory. It beats a head office address as a coverage map, and it is a claim rather than a register lookup.
The sourcing layer is conventional: Open Web Ninja for the businesses, Serper for firms whose public footprint is a directory listing more than a website, People Data Labs for headcount and the operations staff, Blitz API for the email column, and ClearoutPhone to grade the dispatch line.
Example searches
Ask for it the way you'd say it
Every search below runs on the same hosted Tables, with the cost previewed before anything is spent.
Guarding, not integration
manned guarding companies rather than alarm installers or camera integrators
Service line is read from the site and stored per row, so a firm doing both appears in both views rather than only one.
Licensed coverage
security firms licensed across at least three southeastern states
The states a firm claims to be licensed in become a column of their own, which maps coverage far better than a single headquarters address.
Officer count band
guarding firms covering more than twenty client sites across this metro from two offices
Branch count and the client sites a firm names publicly act as the officer-count proxy, each stored separately so the band is explainable.
Plays
Three motions you can run this week
Each one is a chain of Oxygen primitives — the same hosted objects your workspace already has, composed.
Service-line split with coverage map
Three separate lists, each filtered to the states you can actually serve.
- 1Sweep the region, classify each firm by service line, and extract licensed states.
- 2Promote the line and coverage you sell into and leave the other rows parked.
oxygen search runBranch coverage before the first call
Multi-branch firms get one conversation at the office that schedules officers, not five.
- 1Link branch listings to the parent firm and count branches on the parent row.
- 2Enroll the parent once, suppress the branch domains, and keep the branches as linked rows.
oxygen tables promoteOperations contact, not the sales inbox
The message reaches whoever owns scheduling rather than a general contact form.
- 1Resolve an operations, dispatch, or branch title per row before running the email column.
- 2Enroll only rows where that title resolved and keep the rest for a call attempt.
oxygen find email
Who you can reach
Roles you can find at physical security and guarding firms
Reachability is per channel: a role marked for mobile is one the phone waterfall usually resolves, not a guarantee for every record.
| Role | Seniority | Reachable by |
|---|---|---|
| Owner or president | Owner/Founder | Work emailMobileLinkedIn |
| Director of operations | Director | Work emailLinkedIn |
| Branch or regional manager | Manager | Work emailMobile |
| Scheduling or dispatch manager | Manager | Work email |
| Head of human resources | Director | Work emailLinkedIn |
| Business development director | Director | Work emailLinkedInMobile |
Filters you can search on
- Service line: guarding, systems, or monitoring
- Licensed states named on the firm's site
- Estimated officer headcount
- Number of branches
- Client sectors named on the site
- Armed or unarmed services offered
- Dispatch line type on the main number
Guarding firms are unusually visible because they recruit constantly and publish licensing details. Systems integrators are quieter and often resolve only through a listing and a services page. Monitoring providers are the thinnest slice, since many operate as a back-office function of a larger firm and never appear as their own business at all.
Data sources
What the data actually comes from
Every value lands with its provider and cost recorded on the cell.
- Op
Open Web Ninja
Business listings with category, address, phone, and site for security firms in a region.
Serper
Reaches firms whose public footprint is a directory listing rather than a site of their own.
People Data Labs
Headcount, branches, and the operations and HR staff attached to larger security firms.
Blitz API
Heads the work-email chain, which resolves well for firms recruiting under their own domain.
ClearoutPhone
Validates the dispatch and office numbers so a call list is not full of unrouted lines.
Run these on Oxygen's managed credits, or connect your own provider keys and pay the vendor directly — the same columns, the same runs, the same provenance either way. See every integration.
Limits
Where this stops
- Officer counts are never published and turn over constantly. Branch count and the client sites a firm names give a band, not a number, and the band should be described that way when it is quoted.
- What a firm publishes about its licensing varies, so the column is a claim read off public pages, not a registry lookup.
FAQ
Questions people ask first
Why split guarding from systems integration?
How reliable is licensed-state coverage?
Can I estimate how many officers a firm employs?
How do I handle a firm with several branch listings?
Who owns the software decision?
Can I keep this list current automatically?
Build your physical security and guarding firms list
Start with a search, preview the cost before anything is spent, and keep the rows, sources, and runs in a workspace you own.