Businesses in Prairie Du Rocher, Illinois

As of October 20, 2026, ListRiver's records show 42 active registered businesses in Prairie Du Rocher, Illinois. 67% are LLCs. 1 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Prairie Du Rocher businesses are in Randolph County. Look up a Illinois business by name.

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Businesses on record

Formed in the last 12 months

Formed in September

With a phone number

10%

4 records

New Prairie Du Rocher businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 1 new businesses formed in September 2026

Entity types

LLCs28 · 67%
Corporations8 · 19%
Nonprofits6 · 14%

Newest business names registered in Prairie Du Rocher

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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	Prairie Du Rocher	LLC	Sep 2026
Name hidden	Prairie Du Rocher	LLC	Jul 2026
Name hidden	Prairie Du Rocher	LLC	May 2026
Name hidden	Prairie Du Rocher	LLC	May 2026
Name hidden	Prairie Du Rocher	LLC	May 2026
Name hidden	Prairie Du Rocher	LLC	Feb 2026
Name hidden	Prairie Du Rocher	LLC	Nov 2025
Name hidden	Prairie Du Rocher	LLC	Sep 2025
Name hidden	Prairie Du Rocher	LLC	Apr 2025
Name hidden	Prairie Du Rocher	Corporation	Jan 2025
Name hidden	Prairie Du Rocher	LLC	May 2024
Name hidden	Prairie Du Rocher	LLC	Apr 2024
Name hidden	Prairie Du Rocher	LLC	Mar 2024
Name hidden	Prairie Du Rocher	LLC	Dec 2023
Name hidden	Prairie Du Rocher	LLC	Jul 2023
Name hidden	Prairie Du Rocher	LLC	Jan 2023
Name hidden	Prairie Du Rocher	Nonprofit	Sep 2022
Name hidden	Prairie Du Rocher	LLC	Apr 2021
Name hidden	Prairie Du Rocher	LLC	Jun 2020
Name hidden	Prairie Du Rocher	LLC	Dec 2019
Name hidden	Prairie Du Rocher	LLC	Aug 2019
Name hidden	Prairie Du Rocher	Corporation	Nov 2018
Name hidden	Prairie Du Rocher	LLC	Oct 2018
Name hidden	Prairie Du Rocher	LLC	Nov 2017
Name hidden	Prairie Du Rocher	Corporation	Jan 2017

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Common questions about Prairie Du Rocher businesses

How many businesses are registered in Prairie Du Rocher, Illinois?

ListRiver has 42 active registered businesses in Prairie Du Rocher, 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 Prairie Du Rocher, Illinois in September 2026?

1 businesses on record in Prairie Du Rocher, Illinois were formed in September 2026.

How many new businesses opened in Prairie Du Rocher, Illinois in the last 12 months?

7 businesses on record in Prairie Du Rocher, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Prairie Du Rocher, Illinois?

LLCs are the most common: 28 of 42 businesses on record (67%), followed by Corporations with 8 (19%).

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 Prairie Du Rocher, Illinois?

Use ListRiver's list builder to filter Prairie Du Rocher, 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/prairie-du-rocher" title="New businesses in Prairie Du Rocher, 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/prairie-du-rocher">Businesses in Prairie Du Rocher, 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.