List of Corporate offices in Illinois
Illinois has approximately 4,415 Corporate offices as of April 13, 2026. The highest concentrations are in cities such as Chicago (1,062), Schaumburg (114), Naperville (81), positioning Illinois as a key regional market for city-level and statewide B2B campaigns.
Illinois, contributing around 4.0% of all 110,931 Corporate offices in United States, representing a focused regional opportunity for state-level B2B outreach and lead generation. Around 45.6% of Corporate offices in Illinois have email addresses, 71.2% have phone numbers, and 40.4% include both — with 56.4% also having a website.
Businesses in this dataset are well-represented on social media: 1,352 have Facebook pages, 741 are on Instagram, 1,415 have LinkedIn profiles, 1,068 use X (formerly Twitter), 600 maintain YouTube channels. Over 2,257 Corporate offices have been rated by real users, making this dataset a strong fit for reputation management and review-based outreach. This dataset helps target Corporate offices across Illinois efficiently.
| 4415 Number of Corporate offices | |
| 2014 Email addresses | |
| 3142 Phone numbers | |
| 2492 With Websites | |
| 1415 LinkedIn Profiles |
| 1352 Facebook Profiles | |
| 741 Instagram Handles | |
| 1068 X Handles | |
| 600 YouTube Channels | |
| 1782 Phone and Email |
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Data updated on April 13, 2026
$ 49 $98 (Discount: 50% OFF)
Download sample list of Corporate offices in Illinois
Find new clients and close more deals with the world s best business leads provider. You can download Corporate offices email and phone number lists for your sales teams. Here is a random sample of 20 records for you to look at the fields and the data that we provide.
| NAME | Address | City | State | Country | Phone | Website | Review Count | Review Scores | Google URL | Youtube | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
866 United Nations Plaza |
| New York | New York | United States |
|
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| 49 | 4.4 | - | - | |||
SALON AKKAD |
| New York | New York | United States |
|
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| 0 | 0 | - | ||||
Preferred Primary Care Physicians |
| Canonsburg | Pennsylvania | United States |
|
|
| 211 | 5 | - | ||||
Salesforce Tower |
| New York | New York | United States |
|
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| 173 | 4.6 | |||||
25 Kent |
| Brooklyn | New York | United States |
|
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| 49 | 4.7 | - | - | |||
CarePoint Health Medical Group |
| Jersey City | New Jersey | United States |
|
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| 53 | 3.1 | - | ||||
Pioneer Physicians Network, Inc |
| Uniontown | Ohio | United States |
|
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| 35 | 2.9 | - | ||||
L'Oreal USA |
| New York | New York | United States |
|
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| 123 | 4.2 | - | - | |||
Milford Regional Physician Group |
| Milford | Massachusetts | United States |
|
|
| 21 | 3 | - | - | |||
Core Physicians |
| Exeter | New Hampshire | United States |
|
|
| 43 | 2.2 | |||||
GBCA |
| Philadelphia | Pennsylvania | United States |
|
|
| 3 | 3.7 | - | - | |||
Maven Clinic |
| New York | New York | United States |
|
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| 34 | 3.9 | - | ||||
Advanced Care Hospitalists |
| Lakeland | Florida | United States |
|
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| 5 | 4 | - | - | - | - | |
Odyssey House Inc. |
| New York | New York | United States |
|
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| 6 | 1.7 | |||||
Hill Physicians San Joaquin Regional Office |
| Stockton | California | United States |
|
| - | 2 | 2 | - | - | - | - | |
Grace Building |
| New York | New York | United States |
|
|
| 200 | 4.4 | - | ||||
Sharpe Construction |
| Layton | Utah | United States |
|
| - | 2 | 4 | - | - | - | - | |
DeAngelo Contracting Services |
| Hazleton | Pennsylvania | United States |
|
|
| 42 | 4.1 | - | - | - | ||
The Tustin Group |
| Norristown | Pennsylvania | United States |
|
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| 22 | 4.5 | - | - | |||
Carlisle Construction Materials |
| Carlisle | Pennsylvania | United States |
|
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| 49 | 4.6 | - |
Address
Email
Phone
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How many Corporate offices are there in the Illinois?
Corporate offices in the Illinois
Last updated: April 13, 2026
Approximately 45.6% of Corporate offices in Illinois have email contacts, while 71.2% have phone numbers, making it well-suited for statewide lead generation and direct outreach.
Data last updated April 13, 2026
71.2%
3,142 Corporate offices in Illinois with Phone Number
45.6%
2,014 Corporate offices in Illinois with Email Address
40.4%
1,782 Corporate offices in Illinois with Phone and Email
Distribution by Location
Number of Corporate offices across different territories
The Corporate offices market in Illinois is highly concentrated in key cities such as Chicago (24.1%), Schaumburg (2.6%), Naperville (1.8%), suggesting that focused regional campaigns here would yield the highest returns.
City | Corporate offices | % of Total |
|---|---|---|
| Chicago | 1,062 | 24.1% |
| Schaumburg | 114 | 2.6% |
| Naperville | 81 | 1.8% |
| Downers Grove | 63 | 1.4% |
| Elk Grove Village | 58 | 1.3% |
| Oak Brook | 55 | 1.2% |
| Itasca | 54 | 1.2% |
These figures highlight that Corporate offices businesses are concentrated in economically active cities, making them prime targets for large-scale outreach campaigns.
How to Use the List of Corporate offices in Illinois
Explore various use cases for leveraging our contact database.
Territory Sales & Regional Prospecting
Phone coverage across Illinois is solid — 71.2% of corporate offices have phone numbers in this dataset. Your team can start calling Illinois-based prospects immediately, without spending time sourcing or validating contacts first.
Statewide Email Campaigns
45.6% of corporate offices in Illinois have an email address on record. That's enough coverage to run full-state email sequences — from initial outreach to follow-up — hitting every major market and regional hub in a single campaign.
Multi-Channel Outreach Across Illinois
40.4% of corporate offices in Illinois have both phone and email on record. Rather than running separate lists per channel, your team can coordinate calls, emails, and follow-ups against the same contacts from one dataset.
Regional Ad Targeting
56.4% of corporate offices in Illinois have a listed website — a strong signal of digital presence. Use those records to build lookalike audiences or upload the full list as a custom audience on Facebook, Google, or LinkedIn for precise, state-level ad targeting.
Pitching Services to Illinois Businesses
71.1% of corporate offices in Illinois are rated 4 stars or higher by real customers — a prime segment for reputation management tools, review platforms, and any service that helps businesses maintain or grow their online presence statewide.
Illinois represents a focused slice of the national Corporate offices market — ideal for teams who want depth in a specific territory without the noise of broader campaigns.
Top Cities in Illinois
List of Corporate offices in Illinois with Social Media Accounts
32.0% on LinkedIn — suggesting a digitally active regional market receptive to statewide social advertising
Explore Related Corporate offices by Location
Around 56.4% of Corporate offices in Illinois have an active website, suggesting a digitally established regional market well-suited for state-level SEO and ad campaigns.
Data last updated April 13, 2026
56.4%
2,492 Corporate offices in Illinois that have a website
43.6%
1,923 Corporate offices in Illinois that do not have a website
Download sales qualified leads of Corporate offices in the Illinois
Download this data in CSV, Esri Shapefile, Excel, GeoJSON, or KML (Google Earth) file formats.
3,138 Corporate offices in Illinois have earned 4-star or higher ratings — demonstrating that businesses across the state actively maintain their online reputation.
1,205
1-star rated Corporate offices in Illinois
402
2-star rated Corporate offices in Illinois
614
3-star rated Corporate offices in Illinois
881
4-star rated Corporate offices in Illinois
2,257
5-star rated Corporate offices in Illinois
Frequently Asked Questions
Answers of the most common questions about our dataset
How many Corporate offices are there in Illinois?
There are 4,415 Corporate offices in Illinois as of the latest update. This makes Illinois an active market for B2B outreach and lead generation in the Corporate offices industry.
How many Corporate offices in Illinois have email addresses?
2,014 Corporate offices in Illinois have verified email addresses — giving you a strong foundation for direct email outreach and drip campaigns.
How many Corporate offices in Illinois have phone numbers?
3,142 Corporate offices in Illinois include phone numbers. Of those, 1,782 also have email addresses, making them ideal for multi-channel outreach.
Which cities in Illinois have the most Corporate offices businesses?
The top cities by Corporate offices count are Chicago (1,062), Schaumburg (114), Naperville (81). These markets represent the highest concentration of prospects and are strong targets for priority outreach and regional campaign planning.
Is this dataset suitable for statewide outreach to Corporate offices in Illinois?
Absolutely. The dataset covers 4,415 Corporate offices businesses across Illinois, giving you full statewide coverage for email, phone, and digital campaigns without geographic gaps.
What data fields are included for each Corporate offices in Illinois?
Each record typically includes business name, address, phone number, email, website, social media handles (Facebook, Instagram, LinkedIn, X, YouTube), and customer ratings where available.
How can I access the complete Corporate offices list for Illinois?
You can purchase and instantly download the full dataset from this page. A free sample is also available so you can review the data quality and structure before buying.
Still have questions? Feel free to reach out to our support team
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