Businesses in Trumbull County, Ohio

As of October 13, 2026, ListRiver's records show 686 active registered businesses in Trumbull County, Ohio, the 16th most among Ohio counties. 77% are LLCs. 114 were formed in September 2026. That is 1% of all Ohio businesses on record.

From official Ohio registry records, updated weekly. Look up a Ohio business by name.

Businesses on record

686

Formed in the last 12 months

378

Formed in September

114

With a registered agent

36%

250 records

New Trumbull County businesses per month

Businesses on record by formation month, through September 2026. Monthly Ohio new-business reports · Get the list of 114 new businesses formed in September 2026

Entity types

LLCs527 · 77%
Corporations122 · 18%
Other26 · 4%
Limited partnerships10 · 1%
Nonprofits1 · 0%

Top cities

Warren195 · 28%
Youngstown167 · 24%
Newton Falls50 · 7%
Girard49 · 7%
Cortland42 · 6%
Niles42 · 6%
Hubbard37 · 5%
Vienna21 · 3%
Mineral Ridge12 · 2%
Southington10 · 1%
Masury8 · 1%
Brookfield8 · 1%
Fowler8 · 1%
Kinsman7 · 1%
Bristolville7 · 1%

Top ZIP codes

ZIP 44505165 · 24%
ZIP 4448479 · 12%
ZIP 4448372 · 10%
ZIP 4444450 · 7%
ZIP 4442049 · 7%
ZIP 4441042 · 6%
ZIP 4444642 · 6%
ZIP 4442537 · 5%
ZIP 4448134 · 5%
ZIP 4447322 · 3%
ZIP 4448516 · 2%
ZIP 4444012 · 2%
ZIP 4443810 · 1%
ZIP 4447010 · 1%
ZIP 444039 · 1%

Industries (where known)

Finance & Insurance8 · 21%
Real Estate8 · 21%
Construction8 · 21%
Manufacturing6 · 16%
Wholesale Trade3 · 8%
Administrative & Support Services3 · 8%
Accommodation & Food Services1 · 3%
Transportation & Warehousing1 · 3%

Newest business names registered in Trumbull County

Get all 686 Trumbull County businesses · see price Just the 229 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Warren	LLC	Oct 2026
Name hidden	Niles	LLC	Oct 2026
Name hidden	Warren	LLC	Oct 2026
Name hidden	Warren	Other	Sep 2026
Name hidden	Warren	LLC	Sep 2026
Name hidden	Mcdonald	LLC	Sep 2026
Name hidden	Warren	LLC	Sep 2026
Name hidden	Warren	LLC	Sep 2026
Name hidden	Parkman	LLC	Sep 2026
Name hidden	Mineral Ridge	LLC	Sep 2026
Name hidden	Newton Falls	LLC	Sep 2026
Name hidden	Hubbard	LLC	Sep 2026
Name hidden	Fowler	LLC	Sep 2026
Name hidden	Brookfield	LLC	Sep 2026
Name hidden	Niles	LLC	Sep 2026
Name hidden	Bristolville	LLC	Sep 2026
Name hidden	Youngstown	LLC	Sep 2026
Name hidden	Youngstown	LLC	Sep 2026
Name hidden	Kinsman	LLC	Sep 2026
Name hidden	Warren	LLC	Sep 2026
Name hidden	Warren	LLC	Sep 2026
Name hidden	Bristolville	LLC	Sep 2026
Name hidden	Youngstown	LLC	Sep 2026
Name hidden	Cortland	LLC	Sep 2026
Name hidden	Warren	LLC	Sep 2026

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Common questions about Trumbull County businesses

How many businesses are registered in Trumbull County, Ohio?

ListRiver has 686 active registered businesses in Trumbull County, Ohio on record as of October 13, 2026, from official Ohio business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Trumbull County, Ohio in September 2026?

114 businesses on record in Trumbull County, Ohio were formed in September 2026.

How many new businesses opened in Trumbull County, Ohio in the last 12 months?

378 businesses on record in Trumbull County, Ohio were formed in the 12 months through September 2026.

What is the most common type of business in Trumbull County, Ohio?

LLCs are the most common: 527 of 686 businesses on record (77%), followed by Corporations with 122 (18%).

Where does this data come from?

From Ohio's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Trumbull County, Ohio?

Use ListRiver's list builder to filter Trumbull County, Ohio businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/ohio/trumbull-county" title="New businesses in Trumbull County, Ohio by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/ohio/trumbull-county">Businesses in Trumbull County, Ohio</a>, ListRiver</p></div>

About this data

Counts come from official Ohio business registry records on file with ListRiver, current as of October 13, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.