Businesses in Island Lake, Illinois

As of October 20, 2026, ListRiver's records show 411 active registered businesses in Island Lake, Illinois. 60% are LLCs. 9 were formed in September 2026.

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

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Businesses on record

411

Formed in the last 12 months

Formed in September

With a phone number

11%

44 records

New Island Lake businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 9 new businesses formed in September 2026

Entity types

LLCs246 · 60%
Corporations145 · 35%
Nonprofits20 · 5%

Top ZIP codes

ZIP 60042407 · 99%
ZIP 600842 · 0%
ZIP 600461 · 0%
ZIP 609421 · 0%

Newest business names registered in Island Lake

Get all 411 Island Lake businesses · see price Just the 21 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	Island Lake	LLC	Oct 2026
Name hidden	Island Lake	LLC	Oct 2026
Name hidden	Island Lake	LLC	Oct 2026
Name hidden	Island Lake	LLC	Oct 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	LLC	Sep 2026
Name hidden	Island Lake	Corporation	Sep 2026
Name hidden	Island Lake	Corporation	Sep 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	LLC	Aug 2026
Name hidden	Island Lake	Corporation	Aug 2026
Name hidden	Island Lake	Nonprofit	Aug 2026
Name hidden	Island Lake	LLC	Jul 2026
Name hidden	Island Lake	LLC	Jul 2026
Name hidden	Island Lake	LLC	Jul 2026
Name hidden	Island Lake	LLC	Jul 2026

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Common questions about Island Lake businesses

How many businesses are registered in Island Lake, Illinois?

ListRiver has 411 active registered businesses in Island 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 Island Lake, Illinois in September 2026?

9 businesses on record in Island Lake, Illinois were formed in September 2026.

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

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

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

LLCs are the most common: 246 of 411 businesses on record (60%), followed by Corporations with 145 (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 Island Lake, Illinois?

Use ListRiver's list builder to filter Island 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/island-lake" title="New businesses in Island 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/island-lake">Businesses in Island 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.