Business phone system for engineering services firms in New Jersey

The engineering firm industry in New Jersey

The Census Bureau counted 1,506 engineering services firms in New Jersey in its 2023 County Business Patterns (NAICS 541330). They employed 27,409 people in mid-March and reported $3.0 billion in annual payroll. That is the 14th highest count among the 51 states and DC with published figures. Engineering services firms make up 0.63% of the 237,968 business establishments in the state.

Per 100,000 residents (2024 estimate) New Jersey has 15.9 engineering services firms, 14.7% below the national rate of 18.6. The average establishment has 18.2 employees against 19.9 nationally. Payroll per employee is $109,898, in line with the U.S. figure of $109,949.

Engineering services firms by metro area in New Jersey

Census published engineering firm counts for 6 metro or micropolitan areas that include part of New Jersey. The largest is New York, NY-NJ, with 2,536 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 10% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Team sizes at engineering services firms in New Jersey

47.5% of New Jersey's engineering services firms with employees had fewer than five people in March 2023, compared with 53.1% nationally. 65.1% 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.

Why the phone matters for engineering services firms in New Jersey

Engineering firms handle client calls, contractor questions and agency coordination, often while staff are in the field. Routing calls to the right project engineer saves time on every project.

Typical inbound and outbound calls for engineering services firms in New Jersey:

• A developer calls about a site plan.
• A contractor calls with a field question.
• A homeowner calls about a structural inspection.

Texting clients

Firms text site meeting times and document notifications.

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

Phone system pricing for an 18-person engineering firm

Engineering services firms in New Jersey average 18.2 employees, so the comparison uses an 18-person team. On a per-user plan that headcount sets the bill: $449.10 a month on Ooma Office Pro or $540.00 on RingCentral RingEX Core at list price (checked September 28, 2026). Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.

Over a year, that is $2,172 less than RingCentral for an engineering firm in New Jersey of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.

Area codes in New Jersey

New Jersey has 10 geographic area codes in service according to NANPA. Callata includes up to 3 local numbers, so an engineering firm can hold a number in more than one of them.

How Callata works for engineering services firms in New Jersey

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 New Jersey 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.