Business phone system for security systems services

Security systems services in the United States

County Business Patterns counted 7,151 security systems services in the U.S. in 2023 (NAICS 561621, Security Systems Services (except Locksmiths)). They employed 128,462 people in mid-March and paid $9.0 billion in annual payroll. The average establishment has 18.0 employees. That is 2.1 establishments for every 100,000 residents.

California has the most (781), followed by Florida (681), Texas (681), and New York (531). Relative to population, Delaware leads with 3.0 per 100,000 residents, and Iowa has the fewest at 1.0.

Why the phone matters for security systems services

Security companies take calls about new installations, alarms and service problems. Existing customers expect quick help when a system misbehaves.

Calls security systems services commonly handle:

• A homeowner calls about installing cameras.
• A business calls about a faulty alarm panel.
• A customer calls to add a user code.
• The company calls a customer to schedule service.
• A builder calls about pre-wiring.

Texting and after-hours calls

Companies text appointment confirmations and service updates.

Alarm problems at night need clear after-hours routing.

How big security systems services are

48.4% of U.S. security systems services with employees had fewer than five people in March 2023. 67.7% had fewer than ten. Most phone decisions in this industry are made for small teams, where one shared number and sensible routing matter more than a desk phone per person.

Security systems services by state

Establishment counts for the 51 states (and DC) where Census published a figure, with the rate per 100,000 residents.

Largest metro areas for security systems services

Census published security systems company counts for 298 metro and micropolitan areas. The 25 largest:

Phone system pricing for an 18-person security systems company

The average U.S. security systems company has 18.0 employees, so the comparison uses an 18-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 18 users on RingCentral RingEX Core cost $540.00 a month and 18 on Ooma Office Pro cost $449.10. On Callata the same 18 people cost $359.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $2,172. Some vendors discount annual contracts; the table shows month-to-month prices.

How Callata works for security systems services

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

Existing numbers can be ported at no charge, and team texting turns on after the one-time $49 carrier registration (10DLC) is approved.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.