Business phone system for security systems services in Illinois

The security systems company industry in Illinois

Illinois had 187 security systems services in 2023, according to Census County Business Patterns (NAICS 561621, Security Systems Services (except Locksmiths)). They employed 4,144 people in mid-March and reported $302.6 million in annual payroll. That is the 10th highest count among the 51 states and DC with published figures. Security systems services make up 0.06% of the 322,415 business establishments in the state.

Per 100,000 residents (2024 estimate) Illinois has 1.5 security systems services, 30.0% below the national rate of 2.1. The average establishment has 22.2 employees against 18.0 nationally. Payroll per employee is $73,013, 4.2% above the U.S. figure of $70,074.

Where security systems services in Illinois are concentrated

Census published security systems company counts for 8 metro or micropolitan areas that include part of Illinois. The largest is Chicago, IL-IN, with 157 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 16% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Team sizes at security systems services in Illinois

47.0% of Illinois's security systems services with employees had fewer than five people in March 2023, compared with 48.4% nationally. 64.3% had fewer than ten. That is the size of team where a missed call usually means nobody was free, not that nobody was on staff.

Why the phone matters for security systems services in Illinois

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

A few of the calls that come in to security systems services in Illinois:

• A customer calls to add a user code.
• A builder calls about pre-wiring.
• A homeowner calls about installing cameras.

When nobody can pick up

Alarm problems at night need clear after-hours routing.

Callata voicemail is transcribed and triaged for urgency, and business-hours routing decides where calls go once you close.

What a phone system costs a security systems company in Illinois

Security systems services in Illinois average 22.2 employees, so the comparison uses a 22-person team. On a per-user plan that headcount sets the bill: $548.90 a month on Ooma Office Pro or $660.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 22 people cost $439.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $2,652. Some vendors discount annual contracts; the table shows month-to-month prices.

Area codes in Illinois

Illinois has 17 geographic area codes in service according to NANPA. You can choose local numbers in the area codes your customers know, subject to carrier inventory, or port your current number for free.

How Callata works for security systems services in Illinois

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Illinois, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

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.