Access Illinois Secretary of State data, IDFPR license verification, and complex sales tax. Major market - complete IL coverage.
5 integrated data sources covering IL business intelligence
Real-time access to IL business formation, verification, and compliance data
Direct links to primary government data sources
CHIRON provides comprehensive access to Illinois licensing boards
Integrated data sources for professional verification
Comprehensive Illinois professional data access
Real-time license status checks
Access SEC filings, financials, and insider trading data via DELPHI
Companies headquartered in Illinois
Boeing
Walgreens Boots Alliance
Archer Daniels Midland
Abbott Laboratories
McDonald's
Real-time 10-K, 10-Q, 8-K filings
Normalized XBRL financial data
Form 4 insider transaction tracking
Track Illinois public companies
Monitor SEC filings, financials, and insider activity in real-time
Navigate IL's 1,100 tax jurisdictions with precision. PLUTUS handles state, county, city, and special district rates automatically.
import plutus
# Get tax rate for Illinois address
rate = plutus.get_rate(
street="123 Main St",
city="Chicago",
state="IL",
zip="12345"
)
# Response
{
"combined_rate": 7.75%,
"state_rate": 6.25%,
"county_rate": 1.0%,
"city_rate": 0.5%
}Explore detailed business intelligence for IL's largest metropolitan areas
Get answers to common questions about our data and APIs
Use JANUS to search the Illinois Secretary of State corporate database. Access real-time entity status, registered agent, officers, and filing history for any IL company.
Get started with Olympus APIs and unlock comprehensive IL business intelligence across all 5 integrated data sources.
Explore other states in the midwest region