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Business phone system for engineering services firms in North Dakota

193 engineering services firms operated in North Dakota in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
193CBP 2023
Employees
3,008mid-March 2023
Per 100k residents
24.2U.S. 18.6
State rank
49th of 51by count

The engineering firm industry in North Dakota

North Dakota had 193 engineering services firms in 2023, according to Census County Business Patterns (NAICS 541330, Engineering Services). They employed 3,008 people in mid-March and reported $266.1 million in annual payroll. That is the 49th highest count among the 51 states and DC with published figures. Engineering services firms make up 0.76% of the 25,402 business establishments in the state.

Per 100,000 residents (2024 estimate) North Dakota has 24.2 engineering services firms, 30.3% above the national rate of 18.6. The average establishment has 15.6 employees against 19.9 nationally. Payroll per employee is $88,477, 19.5% below the U.S. figure of $109,949.

Engineering services firms: North Dakota compared with the U.S., 2023
MeasureNorth DakotaUnited States
Establishments19363,233
Mid-March employees3,0081,260,577
Annual payroll$266,139,000$138,599,619,000
Employees per establishment15.619.9
Payroll per employee$88,477$109,949
Establishments per 100,000 residents24.218.6

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.

Where engineering services firms in North Dakota are concentrated

Census published engineering firm counts for 7 metro or micropolitan areas that include part of North Dakota. The largest is Fargo, ND-MN, with 54 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 49% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Engineering services firms by metro or micropolitan area, North Dakota, 2023
AreaEstablishmentsEmployeesPer 100k residents
Fargo, ND-MN541,47820.2
Bismarck, ND5183736.6
Grand Forks, ND-MN2022419.2
Williston, ND1812744.2
Dickinson, ND139833.5
Minot, ND98911.9
Jamestown, ND32613.9

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at engineering services firms in North Dakota

43.8% of North Dakota's engineering services firms with employees had fewer than five people in March 2023, compared with 53.1% nationally. 66.1% 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.

Engineering services firms in North Dakota by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees8443.8%53.1%
5–9 employees4322.4%15.0%
10–19 employees3015.6%13.1%
20–49 employees2613.5%11.3%
50 or more employees94.7%7.6%

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.

Why the phone matters for engineering services firms in North Dakota

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. That holds for engineering services firms in North Dakota as much as anywhere.

A few of the calls that come in to engineering services firms in North Dakota:

After-hours calls

Field issues sometimes need an after-hours callback; routine calls can wait until morning.

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

What a phone system costs an engineering firm in North Dakota

Engineering services firms in North Dakota average 15.6 employees, so the comparison uses a 16-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 16 users on RingCentral RingEX Core cost $480.00 a month and 16 on Ooma Office Pro cost $399.20. On Callata the same 16 people cost $319.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $1,932. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 16-person engineering firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$319.00$3,828.00
Quo (Starter)$19.00 per user$304.00$3,648.00
Nextiva (Core)$23.00 per user$368.00$4,416.00
Ooma (Office Pro)$24.95 per user$399.20$4,790.40
Dialpad (Standard)$27.00 per user$432.00$5,184.00
RingCentral (RingEX Core)$30.00 per user$480.00$5,760.00

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.

Area codes in North Dakota

North Dakota has 1 geographic area code in service according to NANPA. You can choose local numbers in the area codes your clients know, subject to carrier inventory, or port your current number for free.

Area codes in North Dakota by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
701743Central and Mountain1947none

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 engineering services firms in North Dakota

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 North Dakota, 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.

Frequently asked questions

How many engineering services firms are in North Dakota?

193 in 2023, according to Census County Business Patterns. They employed 3,008 people in mid-March.

Which North Dakota metro area has the most engineering services firms?

Fargo, ND-MN, with 54 establishments in 2023.

What does a phone system cost a 16-person engineering firm?

$480.00 a month on RingCentral RingEX Core or $399.20 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $319.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a North Dakota number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.