Businesses in Port Byron, Illinois

As of October 20, 2026, ListRiver's records show 203 active registered businesses in Port Byron, Illinois. 70% are LLCs. 3 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Port Byron businesses are in Rock Island County. Look up a Illinois business by name.

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Businesses on record

203

Formed in the last 12 months

Formed in September

With a phone number

15%

31 records

New Port Byron businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 3 new businesses formed in September 2026

Entity types

LLCs143 · 70%
Corporations32 · 16%
Nonprofits28 · 14%

Top ZIP codes

ZIP 61275201 · 99%
ZIP 600301 · 0%
ZIP 601751 · 0%

Newest business names registered in Port Byron

Get all 203 Port Byron businesses · see price Just the 8 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	Port Byron	LLC	Sep 2026
Name hidden	Port Byron	LLC	Sep 2026
Name hidden	Port Byron	LLC	Sep 2026
Name hidden	Port Byron	LLC	Aug 2026
Name hidden	Port Byron	LLC	Aug 2026
Name hidden	Port Byron	LLC	Aug 2026
Name hidden	Port Byron	LLC	Aug 2026
Name hidden	Port Byron	Nonprofit	Aug 2026
Name hidden	Port Byron	LLC	Jun 2026
Name hidden	Port Byron	LLC	Jun 2026
Name hidden	Port Byron	LLC	Jun 2026
Name hidden	Port Byron	LLC	Jun 2026
Name hidden	Port Byron	LLC	May 2026
Name hidden	Port Byron	LLC	May 2026
Name hidden	Port Byron	LLC	May 2026
Name hidden	Port Byron	LLC	May 2026
Name hidden	Port Byron	LLC	Apr 2026
Name hidden	Port Byron	LLC	Apr 2026
Name hidden	Port Byron	LLC	Apr 2026
Name hidden	Port Byron	LLC	Apr 2026
Name hidden	Port Byron	LLC	Mar 2026
Name hidden	Port Byron	LLC	Mar 2026
Name hidden	Port Byron	LLC	Mar 2026
Name hidden	Port Byron	LLC	Feb 2026
Name hidden	Port Byron	Nonprofit	Feb 2026

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Common questions about Port Byron businesses

How many businesses are registered in Port Byron, Illinois?

ListRiver has 203 active registered businesses in Port Byron, Illinois on record as of October 20, 2026, from official Illinois business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Port Byron, Illinois in September 2026?

3 businesses on record in Port Byron, Illinois were formed in September 2026.

How many new businesses opened in Port Byron, Illinois in the last 12 months?

33 businesses on record in Port Byron, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Port Byron, Illinois?

LLCs are the most common: 143 of 203 businesses on record (70%), followed by Corporations with 32 (16%).

Where does this data come from?

From Illinois'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 Port Byron, Illinois?

Use ListRiver's list builder to filter Port Byron, Illinois 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.

More Illinois business lists

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/illinois/port-byron" title="New businesses in Port Byron, Illinois 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/illinois/port-byron">Businesses in Port Byron, Illinois</a>, ListRiver</p></div>

About this data

Counts come from official Illinois business registry records on file with ListRiver, current as of October 20, 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.