Businesses in Aurora, Illinois

As of October 20, 2026, ListRiver's records show 11,479 active registered businesses in Aurora, Illinois, the 6th most among Illinois cities. 58% are LLCs. 199 were formed in September 2026. That is 1% of all Illinois businesses on record.

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

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Businesses on record

11,479

Formed in the last 12 months

2,290

Formed in September

199

With a phone number

1,066 records

New Aurora businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 199 new businesses formed in September 2026

Entity types

LLCs6,647 · 58%
Corporations4,069 · 35%
Nonprofits745 · 6%
Other15 · 0%
Limited partnerships3 · 0%

Top ZIP codes

ZIP 605043,275 · 29%
ZIP 605062,868 · 25%
ZIP 605052,154 · 19%
ZIP 605021,876 · 16%
ZIP 605031,200 · 10%
ZIP 6050732 · 0%
ZIP 6059828 · 0%
ZIP 606057 · 0%
ZIP 605633 · 0%
ZIP 606043 · 0%
ZIP 605643 · 0%
ZIP 605103 · 0%
ZIP 605603 · 0%
ZIP 605423 · 0%
ZIP 606062 · 0%

Newest business names registered in Aurora

Get all 11,479 Aurora businesses · see price Just the 532 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	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026
Name hidden	Aurora	LLC	Oct 2026

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Common questions about Aurora businesses

How many businesses are registered in Aurora, Illinois?

ListRiver has 11,479 active registered businesses in Aurora, 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 Aurora, Illinois in September 2026?

199 businesses on record in Aurora, Illinois were formed in September 2026.

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

2,290 businesses on record in Aurora, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 6,647 of 11,479 businesses on record (58%), followed by Corporations with 4,069 (35%).

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 Aurora, Illinois?

Use ListRiver's list builder to filter Aurora, 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/aurora" title="New businesses in Aurora, 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/aurora">Businesses in Aurora, 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.