Businesses in Fairmont City, Illinois

As of October 20, 2026, ListRiver's records show 50 active registered businesses in Fairmont City, Illinois. 82% are LLCs.

From official Illinois registry records, updated weekly. Most Fairmont City businesses are in St. Clair 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

18%

9 records

New Fairmont City businesses per month

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

Entity types

LLCs41 · 82%
Corporations8 · 16%
Nonprofits1 · 2%

Newest business names registered in Fairmont City

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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	Fairmont City	LLC	Oct 2026
Name hidden	Fairmont City	LLC	Oct 2026
Name hidden	Fairmont City	LLC	Oct 2026
Name hidden	Fairmont City	LLC	Jul 2026
Name hidden	Fairmont City	LLC	Jun 2026
Name hidden	Fairmont City	LLC	Jun 2026
Name hidden	Fairmont City	LLC	Feb 2026
Name hidden	Fairmont City	LLC	Jan 2026
Name hidden	Fairmont City	LLC	Aug 2025
Name hidden	Fairmont City	LLC	Aug 2025
Name hidden	Fairmont City	LLC	Aug 2024
Name hidden	Fairmont City	LLC	Jun 2024
Name hidden	Fairmont City	LLC	Jun 2024
Name hidden	Fairmont City	LLC	Apr 2024
Name hidden	Fairmont City	LLC	Apr 2024
Name hidden	Fairmont City	LLC	Mar 2024
Name hidden	Fairmont City	LLC	Feb 2024
Name hidden	Fairmont City	LLC	Feb 2024
Name hidden	Fairmont City	LLC	Nov 2023
Name hidden	Fairmont City	LLC	Oct 2023
Name hidden	Fairmont City	LLC	Sep 2023
Name hidden	Fairmont City	LLC	Aug 2023
Name hidden	Fairmont City	LLC	Apr 2023
Name hidden	Fairmont City	LLC	Mar 2023
Name hidden	Fairmont City	LLC	Mar 2023

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Common questions about Fairmont City businesses

How many businesses are registered in Fairmont City, Illinois?

ListRiver has 50 active registered businesses in Fairmont City, 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 Fairmont City, Illinois in September 2026?

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

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

5 businesses on record in Fairmont City, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 41 of 50 businesses on record (82%), followed by Corporations with 8 (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 Fairmont City, Illinois?

Use ListRiver's list builder to filter Fairmont City, 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/fairmont-city" title="New businesses in Fairmont City, 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/fairmont-city">Businesses in Fairmont City, 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.