Businesses in Dahlgren, Illinois

As of October 20, 2026, ListRiver's records show 104 active registered businesses in Dahlgren, Illinois. 80% are LLCs.

From official Illinois registry records, updated weekly. Most Dahlgren businesses are in Hamilton County. Look up a Illinois business by name.

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Businesses on record

104

Formed in the last 12 months

Formed in September

With a phone number

3 records

New Dahlgren businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports

Entity types

LLCs83 · 80%
Corporations13 · 13%
Nonprofits8 · 8%

Top ZIP codes

ZIP 62828102 · 98%
ZIP 628592 · 2%

Newest business names registered in Dahlgren

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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	Dahlgren	LLC	Jun 2026
Name hidden	Dahlgren	LLC	May 2026
Name hidden	Dahlgren	LLC	Mar 2026
Name hidden	Dahlgren	LLC	Mar 2026
Name hidden	Dahlgren	LLC	Mar 2026
Name hidden	Dahlgren	LLC	Oct 2025
Name hidden	Dahlgren	LLC	Sep 2025
Name hidden	Dahlgren	LLC	Aug 2025
Name hidden	Dahlgren	LLC	Aug 2025
Name hidden	Dahlgren	LLC	Aug 2025
Name hidden	Dahlgren	LLC	Aug 2025
Name hidden	Dahlgren	LLC	Aug 2025
Name hidden	Dahlgren	Nonprofit	Jun 2025
Name hidden	Dahlgren	LLC	Mar 2025
Name hidden	Dahlgren	LLC	Jan 2025
Name hidden	Dahlgren	LLC	Dec 2024
Name hidden	Dahlgren	LLC	Dec 2024
Name hidden	Dahlgren	LLC	Oct 2024
Name hidden	Dahlgren	LLC	Oct 2024
Name hidden	Dahlgren	LLC	Sep 2024
Name hidden	Dahlgren	LLC	Aug 2024
Name hidden	Dahlgren	LLC	Aug 2024
Name hidden	Dahlgren	LLC	Aug 2024
Name hidden	Dahlgren	LLC	Jul 2024
Name hidden	Dahlgren	LLC	Feb 2024

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Common questions about Dahlgren businesses

How many businesses are registered in Dahlgren, Illinois?

ListRiver has 104 active registered businesses in Dahlgren, 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 Dahlgren, Illinois in September 2026?

0 businesses on record in Dahlgren, Illinois were formed in September 2026.

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

6 businesses on record in Dahlgren, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 83 of 104 businesses on record (80%), followed by Corporations with 13 (13%).

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 Dahlgren, Illinois?

Use ListRiver's list builder to filter Dahlgren, 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.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/illinois/dahlgren" title="New businesses in Dahlgren, 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/dahlgren">Businesses in Dahlgren, 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.