Verified B2B Dataset

List of Corporate offices in Illinois

Illinois has 3,992 Corporate offices in this dataset, last verified September 6, 2026. It is the fifth-largest market for Corporate offices in the United States, holding 4% of the national total, behind Florida (5,888) and ahead of Pennsylvania (3,731).

Among cities, Chicago leads by a wide margin with 994, 3.5 times the size of Columbia (286), followed by Raleigh (262). Together the top three hold 39% of the state total, with the rest spread across smaller cities and towns.

Email coverage mirrors the national picture, with 982 records (24.6%) including an email address against 23% across the United States. 2,876 (72%) list a phone number, and 871 carry both.

60.7% of Corporate offices in Illinois have a website, above the national average of 56.3%. The 1,569 without a site are a ready-made prospect list for web design and local SEO agencies.

Among the 2,454 rated Corporate offices in Illinois, 48% hold a 5-star average, in line with the national figure of 49%. 381 are rated 1 to 2 stars (16% of rated businesses, above the national 14%), a natural shortlist for reputation management and review software.

3992
Total Records
982
Email Coverage
2876
Phone Coverage
2423
Website Coverage
Last Updated: September 6, 2026

Social Media Reach

680

Facebook

526

Instagram

568

LinkedIn

334

YouTube

CSV · XLSX
Verified & accurate
Instant download
Updated September 6, 2026

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Sample Preview

Corporate offices List in Illinois

Browse a random sample of 15 records — see the exact fields and data quality before you download.

LOGOBusiness NameAddressCityStateCountryGoogleEmailPhoneWebsiteReviewsRatingFBIGLIYT

The Community Action Place, Inc

Address
CairoIllinoisUnited States
Email
Phone
2
3
————

Phoenix

Address
NormalIllinoisUnited States
Email
Phone
—0
0
————
Eden East Healthcare Management logo

Eden East Healthcare Management

Address
SkokieIllinoisUnited States
Email
Phone
1
5
————
STRUT Learning logo

STRUT Learning

Address
ChicagoIllinoisUnited States
Email
Phone
0
0
————

KYMC America

Address
Carol StreamIllinoisUnited States
Email
Phone
0
0
————
Coda Carpentry LLC logo

Coda Carpentry LLC

Address
CreteIllinoisUnited States
Email
Phone
—0
0
————

Wieland Continuous Improvement Center

Address
East AltonIllinoisUnited States
Email
Phone
—5
4
————
Element logo

Element

Address
ChicagoIllinoisUnited States
Email
Phone
1
5
————

Brock Group Master

Address
New LenoxIllinoisUnited States
Email
Phone
—0
0
————
Champion Packaging & Distribution, Inc logo

Champion Packaging & Distribution, Inc

Address
WoodridgeIllinoisUnited States
Email
Phone
47
4.3
————

BCBS of Aurora

Address
AuroraIllinoisUnited States
Email
Phone
—1
1
————

RU Recovery

Address
RockfordIllinoisUnited States
Email
Phone
9
4.9
—
Home Dialysis Services Corporate logo

Home Dialysis Services Corporate

Address
LockportIllinoisUnited States
Email
Phone
6
3
————

Reckitt Benckiser

Address
Hoffman EstatesIllinoisUnited States
Email
Phone
—1
1
————

Neil Locke & Associates

Address
ItascaIllinoisUnited States
Email
Phone
0
0
————

This is a randomized preview — the full database contains 3,992 records with complete field coverage.

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3,992 verified records — emails, phones, social profiles and more. One-time payment, instant download.

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By Location

Distribution by Location

Number of Corporate offices across different territories

Use Cases

What You Can Do with the List of Corporate offices in Illinois

This list is built for teams that sell to Corporate offices: B2B software vendors, white-label partners and managed IT providers. It covers 3,992 Corporate offices in Illinois, with the fields to call, email, segment and map them.

Who Sells to Corporate offices in Illinois

Each of these buyers can work the 3,992 businesses in this list as a pipeline for a different product:

  • B2B software vendors: Pitch CRM, project management, proposal and invoicing tools to the 3,992 Corporate offices in Illinois.
  • White-label and outsourcing partners: Offer overflow or white-label work that firms can deliver under their own brand.
  • Managed IT and office service providers: Sell IT support, business phones, backups and security to small offices.

Phone, Email and Facebook Outreach in Illinois

Start with the 871 records that list both a phone number and an email address, then widen out channel by channel:

  • Cold calling (2,876): 72% of records include a phone number for call campaigns, appointment setting and follow-ups.
  • Email sequences (982): 24.6% of records include an email address, so use email as a follow-up touch rather than the lead channel.
  • Facebook messages (680): 17% have a Facebook page, a further channel when calls and emails go unanswered.
  • CRM import: CSV and Excel files load into HubSpot, Salesforce, Zoho or Pipedrive, with city, state and postal code columns for assigning leads to reps.

Prospect Segments for Agencies in Illinois

Filter the website, rating and social columns to pull the Corporate offices that fit a specific service before you pitch:

  • No website listed (1,569): 39% of Corporate offices in Illinois have no website on record, a direct prospect list for web designers and local SEO agencies.
  • Rated 1 to 2 stars (381): businesses with poor Google ratings, prospects for reputation management and review generation services.
  • No Facebook page (3,312): 83% have no Facebook page on record, an opening for social media management agencies.

Prioritize Cities Across Illinois

The 3,992 Corporate offices in Illinois are spread across 8 cities we track and many smaller towns, so rank areas before sending reps out:

  • Top city markets: Chicago, Columbia, Raleigh, Plano and Greenville hold 48% of records in Illinois, the biggest clusters for in-person visits.
  • Beyond the big cities: 1,679 records (42%) sit outside the 8 cities with their own list, reachable by phone and email without travel.
  • Postal code patches: records include postal codes, so each rep can get a compact patch with no overlapping accounts.
  • Route planning: records include latitude and longitude, so you can map accounts and plan visit days around clusters.

Data Coverage for Corporate offices in Illinois

3,992 records · verified September 6, 2026

Phone numbers
2,876
Email addresses
982
Phone and email
871
Websites
2,423

Google ratings· 2,454 rated (61%)

48% hold 5 stars

1-star rated
168
6.8% of rated
2-star rated
213
8.7% of rated
3-star rated
449
18.3% of rated
4-star rated
446
18.2% of rated
5-star rated
1,178
48% of rated

Social profiles:

  • Facebook:680· 17%
  • LinkedIn:568· 14.2%
  • Instagram:526· 13.2%
  • X (Twitter):412· 10.3%
  • YouTube:334· 8.4%

Corporate offices in Illinois are a mixed-channel market: 72% list a phone number but only 24.6% publish an email. Among 2,454 rated Corporate offices, 48% hold 5 stars, a more even spread, so ratings separate businesses meaningfully.

Frequently asked questions about Corporate offices in Illinois

Everything you need to know about our corporate offices database for Illinois: data quality, coverage, freshness, pricing, and formats. Last updated September 6, 2026.

How many Corporate offices are there in Illinois?

There are 3,992 corporate offices in Illinois in our verified database, as of September 6, 2026.

This covers independent operators, regional chains, and enterprise-scale businesses, across every city in Illinois, for sales prospecting, competitive research, and territory planning.

How up to date is the Corporate offices data for Illinois?

This dataset was last updated in September 6, 2026.

Business contact data decays at roughly 2–3% per month as businesses close, move, or change details, so we re-verify our most-purchased datasets on a rolling basis.

Every file is also run through email verification before delivery, and past buyers are offered discounted refreshed versions as updates ship.

What fields are included in the Corporate offices database for Illinois?

Each record can include: business name, full address, phone number, email address, website URL, social profiles (LinkedIn, Facebook, Instagram, YouTube, X), review ratings, and category details, plus contact-page URLs where available.

Field coverage varies by record; the counts below and the free sample show you exactly what to expect before buying.

Where can I buy verified market intelligence data for Corporate offices businesses in Illinois?

InfiniteLeadsHub provides verified market intelligence datasets for corporate offices businesses in Illinois as a one-time purchase with no subscription.

Ideal for market research, sales planning, and business development.

How much does the Corporate offices database for Illinois cost?

The complete corporate offices leads database for Illinois costs $36 as a one-time payment.

You get instant access to all 3,992 records with no recurring fees, no per-record charges, and no seat limits.

It is a cost-effective alternative to subscription platforms that charge monthly for the same public business data.

Is this a cheaper alternative to subscription lead databases like ZoomInfo or Apollo?

Yes. For teams that need corporate offices contacts in Illinois specifically, a one-time $36 file is usually far cheaper than subscription platforms, which typically charge thousands of dollars per year with contracts and per-seat pricing.

Subscriptions make sense for large sales teams needing continuous multi-industry access; a one-time targeted list makes sense when you know exactly which niche and geography you're selling into.

Can I preview a sample of the Corporate offices data before buying?

Yes. A free sample dataset is available so you can evaluate data quality, field coverage, and format before purchasing.

The sample is a representative slice of the full Illinois corporate offices database, including contact fields, social profiles, and ratings data.

How do I download the Corporate offices list, and what file formats are available?

You get instant access after purchase. Files are delivered in CSV and Excel (XLSX) formats.

CSV and Excel import directly into CRMs like Salesforce, HubSpot, and Zoho and into any email platform.

How many Corporate offices in Illinois have phone numbers?

2,876 corporate offices in Illinois (72% of the database) include a phone number.

That makes the dataset effective for cold calling, telemarketing, and appointment setting campaigns.

How many Corporate offices in Illinois have email addresses?

982 corporate offices in Illinois (25%) include an email address.

Email remains one of the highest-ROI B2B outreach channels, making this subset ideal for cold email sequences, product announcements, and drip campaigns.

How many Corporate offices in Illinois have both a phone number and an email address?

871 corporate offices in Illinois have both a phone number and an email address.

Dual-contact records enable multi-channel outreach: combining calls with email follow-ups measurably improves response rates.

How many Corporate offices in Illinois are active on social media?

Social profile coverage for corporate offices in Illinois: 568 on LinkedIn, 680 on Facebook, 526 on Instagram, 334 on YouTube, 412 on X (Twitter).

Social presence signals digitally engaged businesses, which is useful for agencies pitching social media services, ad platforms building audiences, and vendors targeting digitally mature prospects.

How many Corporate offices in Illinois have a website?

2,423 corporate offices in Illinois (61%) have an active business website.

That is an indicator of digital maturity, and an ideal segment for SEO agencies, hosting providers, and SaaS platforms.

How many Corporate offices in Illinois do not have a website?

1,569 corporate offices in Illinois operate without a business website.

These are high-intent, overlooked prospects for web design agencies, local SEO providers, and Google Business optimization services.

What are the review ratings of Corporate offices in Illinois?

Rating breakdown for corporate offices in Illinois: 1,178 with a 5-star rating, 446 with a 4-star rating, 449 with a 3-star rating, 213 with a 2-star rating, 168 with a 1-star rating.

Top-rated businesses suit premium services and partnership proposals; lower-rated businesses are receptive prospects for reputation management, review tools, and operational software.

Can I get Corporate offices data for other states or the entire US?

Yes. The national Corporate offices database covers all 50 US states, and individual state and major-city lists are also available.

If you buy Illinois first, contact us and we'll credit your purchase toward the national upgrade.

Most multi-state buyers save money going national.

Is the Corporate offices contact data in Illinois legal to use for B2B outreach?

Yes. All data is sourced exclusively from publicly available information: Google Business listings, company websites, social media profiles, and public business directories.

This is business contact information, not personal consumer data, making it appropriate for B2B prospecting.

We recommend following applicable regulations such as CAN-SPAM (US), CASL (Canada), and GDPR (EU-targeted campaigns) so your outreach remains fully compliant.