Verified B2B Dataset

List of Companies in Illinois

Illinois has 158 companies in this dataset, last verified September 6, 2026. It ranks 15th of 23 states with 2% of the national total, between Ohio (167) and Tennessee (155).

Email reach in Illinois runs above the national rate: 59 companies (37.3%) include an email address, against 33.8% across the United States. 152 (96.2%) list a phone number, and 58 carry both.

82.3% of companies in Illinois have a website, in line with the national average of 85.2%. Only 28 lack a site, so pitch redesigns and SEO rather than first-time builds.

Among the 139 rated companies in Illinois, 45% hold a 5-star average, below the national figure of 51%. 24 are rated 1 to 2 stars (17% of rated businesses, well above the national 12%), a natural shortlist for reputation management and review software.

158
Total Records
59
Email Coverage
152
Phone Coverage
130
Website Coverage
Last Updated: September 6, 2026

Social Media Reach

42

Facebook

22

Instagram

41

LinkedIn

21

YouTube

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

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Sample Preview

Companies List in Illinois

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

LOGOBusiness NameAddressCityStateCountryGoogleEmailPhoneWebsiteReviewsRatingFBIGLIYT
Rockford Dance Company logo

Rockford Dance Company

Address
RockfordIllinoisUnited States
Email
Phone
23
4.7
————

JNL Enterprises

Address
RochesterIllinoisUnited States
Email
Phone
—1
3
————
Manas Express Corp logo

Manas Express Corp

Address
AuroraIllinoisUnited States
Email
Phone
—143
4.3
————
Elevated Solar and Electric logo

Elevated Solar and Electric

Address
Grand RidgeIllinoisUnited States
Email
Phone
17
4.8
————
Chicago Northside Realty, LLC logo

Chicago Northside Realty, LLC

Address
ChicagoIllinoisUnited States
Email
Phone
62
5
————

RT 4 - Exel Direct Inc

Address
AuroraIllinoisUnited States
Email
Phone
—21
4.2
————
Rockford Mass Transit District logo

Rockford Mass Transit District

Address
RockfordIllinoisUnited States
Email
Phone
503
3.8
——
Chicago Rail Link LLC logo

Chicago Rail Link LLC

Address
ChicagoIllinoisUnited States
Email
Phone
5
4.6
—
Pioneer Property Management logo

Pioneer Property Management

Address
RockfordIllinoisUnited States
Email
Phone
88
4.1
————
Velasquez Enterprises Inc. logo

Velasquez Enterprises Inc.

Address
AuroraIllinoisUnited States
Email
Phone
—22
5
————
Express America Of Rockford logo

Express America Of Rockford

Address
RockfordIllinoisUnited States
Email
Phone
1
5
———
Ameex Technologies Corp logo

Ameex Technologies Corp

Address
SchaumburgIllinoisUnited States
Email
Phone
5
4.6
————
Cord Construction Co logo

Cord Construction Co

Address
RockfordIllinoisUnited States
Email
Phone
13
4.7
————

Rottendorf Pharma

Address
ChicagoIllinoisUnited States
Email
Phone
0
0
————
Chicago Property Services, Inc. logo

Chicago Property Services, Inc.

Address
ChicagoIllinoisUnited States
Email
Phone
128
4.5
————

This is a randomized preview — the full database contains 158 records with complete field coverage.

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

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Use Cases

What You Can Do with the List of Companies in Illinois

This list is built for teams that sell to companies: B2B suppliers, small business software vendors and local marketing agencies. It covers 158 companies in Illinois, with the fields to call, email, segment and map them.

Who Sells to Companies in Illinois

Each of these buyers can work the 158 businesses in this list as a pipeline for a different product:

  • Suppliers and wholesalers: Introduce your products and trade pricing to the 158 companies in Illinois.
  • Small business software and payments: Pitch scheduling, invoicing, POS or payment tools sized for owner-run businesses.
  • Local marketing agencies: Offer websites, local SEO and ads to businesses competing for customers nearby.

Phone, Email and Facebook Outreach in Illinois

Start with the 58 records that list both a phone number and an email address, then widen out channel by channel:

  • Cold calling (152): 96.2% of records include a phone number for call campaigns, appointment setting and follow-ups.
  • Email sequences (59): 37.3% of records include an email address, enough to run a dedicated cold email campaign alongside calls.
  • Facebook messages (42): 26.6% 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 companies that fit a specific service before you pitch:

  • No website listed (28): 18% of companies in Illinois have no website on record, a direct prospect list for web designers and local SEO agencies.
  • Rated 1 to 2 stars (24): businesses with poor Google ratings, prospects for reputation management and review generation services.
  • No Facebook page (116): 73% have no Facebook page on record, an opening for social media management agencies.

Prioritize Cities Across Illinois

Rank areas inside Illinois by record count before sending reps out:

  • 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 Companies in Illinois

158 records · verified September 6, 2026

Phone numbers
152
Email addresses
59
Phone and email
58
Websites
130

Google ratings· 139 rated (88%)

45% hold 5 stars

1-star rated
9
6.5% of rated
2-star rated
15
10.8% of rated
3-star rated
25
18% of rated
4-star rated
28
20.1% of rated
5-star rated
62
44.6% of rated

Social profiles:

  • Facebook:42· 26.6%
  • LinkedIn:41· 25.9%
  • Instagram:22· 13.9%
  • X (Twitter):22· 13.9%
  • YouTube:21· 13.3%

Companies in Illinois are a mixed-channel, Facebook-heavy market: 96.2% list a phone number and 37.3% publish an email. Among 139 rated companies, 45% hold 5 stars, a more even spread, so ratings separate businesses meaningfully.

Explore by Location

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Frequently asked questions about Companies in Illinois

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

How many Companies are there in Illinois?

There are 158 companies 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 Companies 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 Companies 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 Companies businesses in Illinois?

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

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

How much does the Companies database for Illinois cost?

The complete companies leads database for Illinois costs $10 as a one-time payment.

You get instant access to all 158 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 companies contacts in Illinois specifically, a one-time $10 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 Companies 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 companies database, including contact fields, social profiles, and ratings data.

How do I download the Companies 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 Companies in Illinois have phone numbers?

152 companies in Illinois (96% of the database) include a phone number.

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

How many Companies in Illinois have email addresses?

59 companies in Illinois (37%) 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 Companies in Illinois have both a phone number and an email address?

58 companies 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 Companies in Illinois are active on social media?

Social profile coverage for companies in Illinois: 41 on LinkedIn, 42 on Facebook, 22 on Instagram, 21 on YouTube, 22 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 Companies in Illinois have a website?

130 companies in Illinois (82%) 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 Companies in Illinois do not have a website?

28 companies 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 Companies in Illinois?

Rating breakdown for companies in Illinois: 62 with a 5-star rating, 28 with a 4-star rating, 25 with a 3-star rating, 15 with a 2-star rating, 9 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 Companies data for other states or the entire US?

Yes. The national Companies 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 Companies 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.