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Business phone system for computer systems design services firms in Ohio

1,306 computer systems design services firms operated in Ohio in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
1,306CBP 2023
Employees
14,013mid-March 2023
Per 100k residents
11.0U.S. 17.1
State rank
14th of 51by count

The IT services firm industry in Ohio

Ohio had 1,306 computer systems design services firms in 2023, according to Census County Business Patterns (NAICS 541512, Computer Systems Design Services). They employed 14,013 people in mid-March and reported $1.4 billion in annual payroll. That is the 14th highest count among the 51 states and DC with published figures. Computer systems design services firms make up 0.51% of the 255,049 business establishments in the state.

Per 100,000 residents (2024 estimate) Ohio has 11.0 computer systems design services firms, 35.7% below the national rate of 17.1. The average establishment has 10.7 employees against 13.2 nationally. Payroll per employee is $99,094, 18.9% below the U.S. figure of $122,171.

Computer systems design services firms: Ohio compared with the U.S., 2023
MeasureOhioUnited States
Establishments1,30658,113
Mid-March employees14,013766,160
Annual payroll$1,388,602,000$93,602,442,000
Employees per establishment10.713.2
Payroll per employee$99,094$122,171
Establishments per 100,000 residents11.017.1

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.

Ohio's largest markets for computer systems design services firms

Census published IT services firm counts for 17 metro or micropolitan areas that include part of Ohio. The largest is Columbus, OH, with 417 establishments. Single-state metro and micropolitan areas account for 80% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Computer systems design services firms by metro or micropolitan area, Ohio, 2023
AreaEstablishmentsEmployeesPer 100k residents
Columbus, OH4173,50418.7
Cleveland, OH2842,41713.1
Cincinnati, OH-KY-IN2522,89210.9
Dayton, OH1222,89214.8
Akron, OH901,52912.8
Toledo, OH492558.1
Canton, OH29847.2
Youngstown, OH231215.4
Huntington, WV-KY-OH231586.3
Wooster, OH8—6.9
Mansfield, OH6514.8
Sandusky, OH5—4.4
Springfield, OH4—3.0
Wheeling, WV-OH3—2.2
Chillicothe, OH3—3.9
Findlay, OH3—4.0
Athens, OH3—4.7

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

Team sizes at computer systems design services firms in Ohio

70.9% of Ohio's computer systems design services firms with employees had fewer than five people in March 2023, compared with 74.5% nationally. 81.8% 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.

Computer systems design services firms in Ohio by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees92570.9%74.5%
5–9 employees14210.9%9.7%
10–19 employees1017.7%6.5%
20–49 employees806.1%5.0%
50 or more employees574.4%4.4%

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.

What computer systems design services firms in Ohio use the phone for

Managed IT and systems integration firms field support calls that range from a forgotten password to a server outage. Clients judge them by how quickly someone answers when something breaks.

Typical inbound and outbound calls for computer systems design services firms in Ohio:

Calls after closing time

Outages do not keep business hours, so routing urgent after-hours calls to an on-call technician is common.

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 IT services firm in Ohio

Computer systems design services firms in Ohio average 10.7 employees, so the comparison uses an 11-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 11 users on RingCentral RingEX Core cost $330.00 a month and 11 on Ooma Office Pro cost $274.45. On Callata the same 11 people cost $219.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $1,332. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for an 11-person IT services firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$219.00$2,628.00
Quo (Starter)$19.00 per user$209.00$2,508.00
Nextiva (Core)$23.00 per user$253.00$3,036.00
Ooma (Office Pro)$24.95 per user$274.45$3,293.40
Dialpad (Standard)$27.00 per user$297.00$3,564.00
RingCentral (RingEX Core)$30.00 per user$330.00$3,960.00

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 Ohio

Ohio has 15 geographic area codes 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 Ohio by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
330787Eastern1996234
740786Eastern1997220
513784Eastern1947283
419783Eastern1947567
937780Eastern1996326
614777Eastern1947380
440757Eastern1997436
216612Eastern1947none
567421Eastern2002419
234398Eastern2000330
220142Eastern2015740
380138Eastern2016614
32688Eastern2020937
28348Eastern2023513
4360Eastern2024440

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 computer systems design services firms in Ohio

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 Ohio, 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 computer systems design services firms are in Ohio?

1,306 in 2023, according to Census County Business Patterns. They employed 14,013 people in mid-March.

Which Ohio metro area has the most computer systems design services firms?

Columbus, OH, with 417 establishments in 2023.

What does a phone system cost an 11-person IT services firm?

$330.00 a month on RingCentral RingEX Core or $274.45 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $219.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Ohio 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.