Business phone system for security systems services in Maryland

The security systems company industry in Maryland

County Business Patterns counts 167 establishments in Maryland classified as Security Systems Services (except Locksmiths) (NAICS 561621) for 2023. They employed 3,681 people in mid-March and reported $281.9 million in annual payroll. That is the 12th highest count among the 51 states and DC with published figures. Security systems services make up 0.12% of the 142,967 business establishments in the state.

Per 100,000 residents (2024 estimate) Maryland has 2.7 security systems services, 26.8% above the national rate of 2.1. The average establishment has 22.0 employees against 18.0 nationally. Payroll per employee is $76,594, 9.3% above the U.S. figure of $70,074.

Maryland's largest markets for security systems services

Census published security systems company counts for 6 metro or micropolitan areas that include part of Maryland. The largest is Philadelphia, PA-NJ-DE-MD, with 164 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 62% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Team sizes at security systems services in Maryland

43.9% of Maryland's security systems services with employees had fewer than five people in March 2023, compared with 48.4% nationally. 61.0% had fewer than ten. At that size the phone is shared, so routing (who rings, when, and what happens after hours) matters more than the number of desk phones.

What security systems services in Maryland use the phone for

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

Calls a security systems company in Maryland might handle in a typical week include:

• A business calls about a faulty alarm panel.
• The company calls a customer to schedule service.
• A homeowner calls about installing cameras.

Texting customers

Companies text appointment confirmations and service updates.

Texting from a local number in Maryland requires carrier registration (10DLC), a one-time $49 fee on Callata.

Phone system pricing for a 22-person security systems company

Security systems services in Maryland average 22.0 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). Callata comes to $439.00 a month for 22 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $2,652 less than RingCentral for a security systems company in Maryland of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Area codes in Maryland

Maryland has 6 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so a security systems company can hold a number in more than one of them.

How Callata works for security systems services in Maryland

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Maryland 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.