Popular businesses in Illinois
Explore 225 popular businesses in Illinois. Typical size: 1,001–5,000 employees. Includes United Airlines.
225
Companies tracked
1,001–5,000 employees
Avg. employee count
225
Added in last 90 days
| Company | City | Employees | Est. Revenue | Tags |
|---|---|---|---|---|
| Optimista | Chicago | Consulting & Professional ServicesInformation Technology & ServicesB2BMarketplaceEnterprise | ||
| Optiver | Chicago | Investment BankingFinanceB2C | ||
| .orgSource | Indian Creek | Consulting & Professional ServicesB2BSAASEnterprise | ||
| Origami Risk | Glencoe | Information Technology & ServicesTechnologyB2BSAASEnterprise | ||
| Parknav | Chicago | E-commerceInformation Technology & ServicesTechnologyB2CB2BSAASMobile | ||
| Paylocity | Schaumburg | Information Technology & ServicesTechnologyConsulting & Professional ServicesB2BSAASEnterprise | ||
| PixieDust AI | Woodridge | TechnologyWeb Services & AppsB2C | ||
| Plego | Downers Grove | E-commerceInformation Technology & ServicesConsulting & Professional ServicesTechnologyB2BB2CSAASEnterprise | ||
| Providio AI | La Grange Park | TechnologyWeb Services & AppsB2C | ||
| QuillBot | Chicago | E-commercePublishingTechnologyWeb Services & AppsInternetInformation Technology & ServicesSAASB2CB2B | ||
| Relativity | Chicago | E-commerceInformation Technology & ServicesTechnologySAASB2BB2CEnterprise | ||
| RLDatix North America | Chicago | Information Technology & ServicesTelecommunicationsTechnologyB2BSAASEnterprise | ||
| Root Access Protection | Lake Bluff | E-commerceConsulting & Professional ServicesSecurityB2BB2CEnterpriseSAAS | ||
| RS Five, llc. | Des Plaines | ConstructionB2CB2BMarketplace | ||
| Sargent & Lundy | Chicago | DesignConsulting & Professional ServicesElectricalInformation Technology & ServicesB2BEnterprise | ||
| Sears | Hoffman Estates | RetailE-commerceApparel & FootwearHome & FurnitureCosmeticsConsumer ElectronicsToolsConsumer DiscretionaryB2C | ||
| Seyfarth Shaw LLP | Chicago | Legal ServicesConsulting & Professional ServicesB2CMarketplaceB2B | ||
| Sidley Austin LLP | Chicago | Legal ServicesConsulting & Professional ServicesB2BMarketplace | ||
| Silgan Closures | Downers Grove | E-commerceMachineryPackaging & ContainersB2BB2CEnterprise | ||
| Smart Loads | Chicago | Information Technology & ServicesTechnologyTransportationB2BSAAS | ||
| Snapsheet Inc | Chicago | Information Technology & ServicesInsuranceFinanceTechnologyB2CSAASB2BEnterprise | ||
| Sphera | Chicago | Information Technology & ServicesTechnologyConsulting & Professional ServicesB2BSAASEnterprise | ||
| Sprout Social, Inc. | Chicago | Information Technology & ServicesTechnologyB2BSAAS | ||
| TADA | Peoria | E-commerceInformation Technology & ServicesTechnologyB2BB2CSAASEnterprise |
Frequently Asked Questions
DigitalPilot currently tracks 225 companies in Illinois, United States.
United Airlines is the largest by estimated employee count among the companies DigitalPilot tracks in Illinois.
Companies in Other Regions
United States (5177)
California (1286)
New York (863)
Texas (351)
Massachusetts (256)
Florida (221)
New Jersey (158)
Georgia (145)
Virginia (145)
Washington (131)
Pennsylvania (130)
Colorado (105)
North Carolina (100)
Michigan (79)
Ohio (77)
Arizona (73)
Minnesota (73)
Delaware (69)
Maryland (66)
Connecticut (57)
District of Columbia (56)
Utah (54)
Tennessee (52)
Missouri (46)
Oregon (39)
Wisconsin (34)
Indiana (33)
Kansas (27)
Nevada (21)
Alabama (19)
Rhode Island (19)
Louisiana (16)
New Hampshire (16)
South Carolina (15)
Kentucky (13)
Idaho (12)
Nebraska (11)
Oklahoma (10)
Iowa (9)
Wyoming (9)
Arkansas (7)
New Mexico (5)
Maine (3)
Montana (3)
Vermont (3)
Hawaii (2)
Mississippi (2)
North Dakota (2)
South Dakota (2)
Alaska (1)
British Columbia (1)
West Virginia (1)
Find your next customer in Illinois
DigitalPilot tells you the moment a company in Illinois visits your website — no cookies, no forms — so your team can reach out while intent is warm.