Leads by state · Illinois
212,819 Illinois businesses, checked and ready.
Illinois businesses from state licences, registries and business listings: the biggest group is clinics & health care. We check every email before anyone is emailed and name the owner where public records show it.
212.8Kbusinesses in Illinois
57.8Kwith an email on file
170.6Kwith a phone number
58.1Kchecked, no website found
By trade
What we hold in Illinois.
| Trade | Businesses | With email | With phone | No website found |
|---|---|---|---|---|
| Clinics & health care | 53,139 | 9,813 | 49,664 | 20,160 |
| Salons & personal care | 41,651 | 16,745 | 34,628 | 11,569 |
| Restaurants & food | 30,808 | 10,970 | 25,852 | 5,051 |
| Contractors & trades | 26,326 | 6,349 | 21,116 | 4,720 |
| Professional services | 24,236 | 5,709 | 18,691 | 3,319 |
| Retail stores | 13,079 | 2,978 | 9,173 | 4,208 |
| Trucking & transport | 5,619 | 2,141 | 5,188 | 1,163 |
| Hotels & lodging | 2,379 | 892 | 1,965 | 286 |
| Wholesale & distribution | 917 | 213 | 417 | 456 |
| Manufacturing | 858 | 199 | 430 | 269 |
| Waste & recycling | 559 | 129 | 522 | 42 |
| Fitness & recreation | 431 | 233 | 310 | 103 |
| Nonprofits | 294 | 78 | 148 | 132 |
| Farms & agriculture | 130 | 46 | 61 | 35 |
Counted 2026-10-08. "No website found" counts only businesses we have already checked.
Biggest cities
Where they are.
Businesses in the busiest cities of Illinois. Pick a city in the lead finder to see emails, owners and sample names.
Open the lead finder for Illinois- Chicago 64,076
- Naperville 3,371
- Rockford 2,654
- Springfield 2,369
- Schaumburg 2,296
- Aurora 2,087
- Peoria 2,084
- Arlington Heights 1,790
- Evanston 1,717
- Elgin 1,697
- Joliet 1,683
- Skokie 1,616
Who uses these leads
Built for people who sell to Illinois businesses.
Web designersMarketing agenciesSEO agenciesAccountants and bookkeepersBusiness lendersInsurance agentsCompanies that sell to hotelsDistributors and wholesalersPayroll and HR providersPayment and POS providersIT services companiesFleet service companiesSign and print shopsCommercial cleaning companiesPhone and internet providersSecurity and alarm companiesStaffing agenciesFood and beverage suppliers