Businesses in East Alton, Illinois

As of October 20, 2026, ListRiver's records show 303 active registered businesses in East Alton, Illinois. 66% are LLCs. 10 were formed in September 2026.

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

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Businesses on record

303

Formed in the last 12 months

Formed in September

With a phone number

16%

49 records

New East Alton businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 10 new businesses formed in September 2026

Entity types

LLCs199 · 66%
Corporations72 · 24%
Nonprofits31 · 10%
Other1 · 0%

Top ZIP codes

ZIP 62024299 · 99%
ZIP 620252 · 1%
ZIP 620401 · 0%
ZIP 622231 · 0%

Newest business names registered in East Alton

Get all 303 East Alton businesses · see price Just the 20 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	East Alton	LLC	Oct 2026
Name hidden	East Alton	LLC	Oct 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	LLC	Sep 2026
Name hidden	East Alton	Nonprofit	Sep 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Aug 2026
Name hidden	East Alton	LLC	Jul 2026
Name hidden	East Alton	LLC	Jul 2026
Name hidden	East Alton	Nonprofit	Jul 2026
Name hidden	East Alton	Nonprofit	Jul 2026
Name hidden	East Alton	Nonprofit	Jul 2026

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Common questions about East Alton businesses

How many businesses are registered in East Alton, Illinois?

ListRiver has 303 active registered businesses in East Alton, 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 East Alton, Illinois in September 2026?

10 businesses on record in East Alton, Illinois were formed in September 2026.

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

68 businesses on record in East Alton, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 199 of 303 businesses on record (66%), followed by Corporations with 72 (24%).

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 East Alton, Illinois?

Use ListRiver's list builder to filter East Alton, 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/east-alton" title="New businesses in East Alton, 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/east-alton">Businesses in East Alton, 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.