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Business phone system for security systems services in Detroit, MI

Security systems services in the Detroit-Warren-Dearborn, MI metro area: 91 establishments in 2023, the local area codes, and what phone service costs a 20-person team.

Establishments
91CBP 2023
Employees
1,796mid-March 2023
Per 100k residents
2.1U.S. 2.1
Rank
15th of 298areas by count

Security systems services in Detroit, MI by the numbers

There were 91 security systems services in the Detroit-Warren-Dearborn, MI metro area in 2023, according to Census County Business Patterns (NAICS 561621, Security Systems Services (except Locksmiths)). They employed 1,796 people in mid-March and paid $140.2 million in annual payroll. By establishment count the area is 15th out of 298 areas with published figures for security systems services.

Measured against its 4.4 million residents (2024 estimate), the area has 2.1 security systems services per 100,000 people; the U.S. rate is 2.1, so Detroit, MI is in line with the national figure. The average establishment here has 19.7 employees, compared with 18.0 nationally. Payroll per employee comes to $78,049, 11.4% above the national $70,074.

Security systems services: Detroit, MI compared with Michigan and the U.S., 2023
MeasureDetroit, MIMichiganUnited States
Establishments911537,151
Mid-March employees1,796 (moderate noise)2,685 (moderate noise)128,462
Annual payroll$140,176,000 (moderate noise)$196,919,000 (moderate noise)$9,001,839,000
Employees per establishment19.717.518.0
Payroll per employee$78,049$73,340$70,074
Establishments per 100,000 residents2.11.52.1

Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.

Establishment size: security systems services in Detroit, MI

Of the security systems services in Detroit, MI that had employees in March 2023, 42.2% had fewer than five (the U.S. share is 48.4%). 64.4% had fewer than ten. When a business has only a few people, whoever is free answers the phone, and calls that arrive while everyone is busy go to voicemail unless they are routed somewhere else.

Security systems services in Detroit, MI by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees3842.2%48.4%
5–9 employees2022.2%19.3%
10–19 employees1314.4%13.9%
20–49 employees1011.1%11.1%
50 or more employees910.0%7.3%

Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.

Calls a security systems company in Detroit, MI has to catch

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 Detroit, MI:

Business texting for security systems services

Companies text appointment confirmations and service updates.

Team texting on Callata runs from your business number, so replies come from the practice or shop rather than someone's personal phone. It turns on after the one-time $49 carrier registration (10DLC) is approved.

Callata vs. per-seat pricing for security systems services in Detroit, MI

The average security systems company in Detroit, MI has 19.7 employees, so a 20-person team is a reasonable benchmark. Priced per seat, 20 users would run $600.00 a month on RingCentral RingEX Core and $499.00 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $399.00 a month for 20 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $2,412 less than RingCentral for a security systems company in Detroit, MI of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Monthly list price for a 20-person security systems company
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$399.00$4,788.00
Quo (Starter)$19.00 per user$380.00$4,560.00
Nextiva (Core)$23.00 per user$460.00$5,520.00
Ooma (Office Pro)$24.95 per user$499.00$5,988.00
Dialpad (Standard)$27.00 per user$540.00$6,480.00
RingCentral (RingEX Core)$30.00 per user$600.00$7,200.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Getting a local number in Detroit, MI

NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 248 has the most, with 708 of 2,007 exchanges (35%). A local number lets customers in Detroit, MI call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.

Area codes in the Detroit, MI area by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
248708Eastern1997947
586546Eastern2001none
734306Eastern1997679
810216Eastern1993none
947161Eastern2002248
51748Eastern1947none
23112Eastern1999none
98910Eastern2001none

Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.

How Callata works for security systems services

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.

Porting a number you already use in Detroit, MI is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

Frequently asked questions

How many security systems services are there in Detroit, MI?

Census County Business Patterns counted 91 security systems services in the Detroit-Warren-Dearborn, MI metro area in 2023. They employed 1,796 people in mid-March.

What does a business phone system cost for a 20-person security systems company?

At month-to-month list prices checked September 28, 2026, 20 users cost $600.00 a month on RingCentral RingEX Core and $499.00 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $399.00.

What area code should a security systems company in Detroit, MI use?

Area code 248 has the most assigned exchanges among the area's named places, followed by 586 and 734. If you already have a local number, you can port it to Callata for free.

Can an AI receptionist answer calls for a security systems company?

Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.