Businesses in Third Lake, Illinois

As of October 20, 2026, ListRiver's records show 57 active registered businesses in Third Lake, Illinois. 61% are LLCs. 1 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Third Lake businesses are in Lake 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

14%

8 records

New Third Lake 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

LLCs35 · 61%
Corporations19 · 33%
Nonprofits3 · 5%

Newest business names registered in Third Lake

Get all 57 Third Lake 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	Third Lake	LLC	Sep 2026
Name hidden	Third Lake	LLC	Jul 2026
Name hidden	Third Lake	LLC	Jul 2026
Name hidden	Third Lake	LLC	Jun 2026
Name hidden	Third Lake	Corporation	Jun 2026
Name hidden	Third Lake	LLC	Apr 2026
Name hidden	Third Lake	LLC	Mar 2026
Name hidden	Third Lake	Nonprofit	Nov 2025
Name hidden	Third Lake	LLC	Aug 2025
Name hidden	Third Lake	LLC	May 2025
Name hidden	Third Lake	LLC	Jan 2025
Name hidden	Third Lake	LLC	Dec 2024
Name hidden	Third Lake	LLC	Sep 2024
Name hidden	Third Lake	LLC	May 2024
Name hidden	Third Lake	LLC	Oct 2023
Name hidden	Third Lake	Corporation	Sep 2023
Name hidden	Third Lake	LLC	Aug 2023
Name hidden	Third Lake	LLC	Jun 2023
Name hidden	Third Lake	LLC	May 2023
Name hidden	Third Lake	LLC	Jan 2023
Name hidden	Third Lake	LLC	Jan 2023
Name hidden	Third Lake	LLC	Oct 2022
Name hidden	Third Lake	LLC	Jul 2022
Name hidden	Third Lake	Corporation	Jan 2022
Name hidden	Third Lake	LLC	Oct 2021

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Common questions about Third Lake businesses

How many businesses are registered in Third Lake, Illinois?

ListRiver has 57 active registered businesses in Third Lake, 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 Third Lake, Illinois in September 2026?

1 businesses on record in Third Lake, Illinois were formed in September 2026.

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

8 businesses on record in Third Lake, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 35 of 57 businesses on record (61%), followed by Corporations with 19 (33%).

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 Third Lake, Illinois?

Use ListRiver's list builder to filter Third Lake, 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/third-lake" title="New businesses in Third Lake, 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/third-lake">Businesses in Third Lake, 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.