Businesses in Flat Rock, Illinois

As of October 20, 2026, ListRiver's records show 55 active registered businesses in Flat Rock, Illinois. 69% are LLCs. 1 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Flat Rock businesses are in Crawford 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

16%

9 records

New Flat Rock 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

LLCs38 · 69%
Nonprofits10 · 18%
Corporations7 · 13%

Newest business names registered in Flat Rock

Get all 55 Flat Rock businesses · see price Just the 1 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	Flat Rock	LLC	Sep 2026
Name hidden	Flat Rock	LLC	Jul 2026
Name hidden	Flat Rock	Nonprofit	Jul 2026
Name hidden	Flat Rock	LLC	May 2026
Name hidden	Flat Rock	LLC	May 2026
Name hidden	Flat Rock	LLC	Apr 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	LLC	Mar 2026
Name hidden	Flat Rock	Nonprofit	Mar 2026
Name hidden	Flat Rock	LLC	Feb 2026
Name hidden	Flat Rock	LLC	Jan 2026
Name hidden	Flat Rock	LLC	Nov 2025
Name hidden	Flat Rock	LLC	Oct 2025
Name hidden	Flat Rock	LLC	Sep 2025
Name hidden	Flat Rock	LLC	Sep 2025
Name hidden	Flat Rock	Nonprofit	Sep 2025
Name hidden	Flat Rock	LLC	Jul 2025
Name hidden	Flat Rock	LLC	May 2025
Name hidden	Flat Rock	LLC	May 2025
Name hidden	Flat Rock	Corporation	Mar 2025
Name hidden	Flat Rock	LLC	Oct 2024

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Common questions about Flat Rock businesses

How many businesses are registered in Flat Rock, Illinois?

ListRiver has 55 active registered businesses in Flat Rock, 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 Flat Rock, Illinois in September 2026?

1 businesses on record in Flat Rock, Illinois were formed in September 2026.

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

17 businesses on record in Flat Rock, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 38 of 55 businesses on record (69%), followed by Nonprofits with 10 (18%).

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 Flat Rock, Illinois?

Use ListRiver's list builder to filter Flat Rock, 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/flat-rock" title="New businesses in Flat Rock, 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/flat-rock">Businesses in Flat Rock, 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.