Businesses in Rock City, Illinois

As of October 20, 2026, ListRiver's records show 59 active registered businesses in Rock City, Illinois. 61% are LLCs. 1 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Rock City businesses are in Stephenson 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

17%

10 records

New Rock City 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

LLCs36 · 61%
Corporations14 · 24%
Nonprofits9 · 15%

Newest business names registered in Rock 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	Rock City	LLC	Sep 2026
Name hidden	Rock City	LLC	Jun 2026
Name hidden	Rock City	LLC	Jun 2026
Name hidden	Rock City	LLC	Mar 2026
Name hidden	Rock City	Nonprofit	Jan 2026
Name hidden	Rock City	LLC	Mar 2025
Name hidden	Rock City	Corporation	Feb 2025
Name hidden	Rock City	LLC	Sep 2024
Name hidden	Rock City	Nonprofit	May 2024
Name hidden	Rock City	LLC	Mar 2024
Name hidden	Rock City	LLC	Feb 2024
Name hidden	Rock City	LLC	Dec 2023
Name hidden	Rock City	LLC	Sep 2023
Name hidden	Rock City	LLC	Jun 2023
Name hidden	Rock City	LLC	May 2023
Name hidden	Rock City	Nonprofit	May 2023
Name hidden	Rock City	LLC	Mar 2023
Name hidden	Rock City	LLC	Feb 2023
Name hidden	Rock City	LLC	Feb 2023
Name hidden	Rock City	LLC	Dec 2022
Name hidden	Rock City	LLC	Dec 2022
Name hidden	Rock City	Corporation	Dec 2022
Name hidden	Rock City	LLC	Sep 2022
Name hidden	Rock City	LLC	Jun 2022
Name hidden	Rock City	LLC	May 2022

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Common questions about Rock City businesses

How many businesses are registered in Rock City, Illinois?

ListRiver has 59 active registered businesses in Rock 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 Rock City, Illinois in September 2026?

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

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

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

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

LLCs are the most common: 36 of 59 businesses on record (61%), followed by Corporations with 14 (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 Rock City, Illinois?

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