Data update history
December 4, 2023
Updated personnel
Identified 1 new personnel
December 1, 2023
Posted financials
Added Form 990N for fiscal year 2023
June 27, 2023
Posted financials
Added Form 990 for fiscal year 2021
June 10, 2023
Posted financials
Added Form 990 for fiscal year 2022
May 22, 2023
Updated personnel
Identified 8 new personnel
Nonprofit Types
Professional associationsBusiness and community development organizations
Issues
HealthEducationBusiness and industry
Characteristics
MembershipsState / local levelNo full-time employees
General information
- Address
- 1112 S Washington St 210
- Naperville, IL 60540
- Metro area
- Chicago-Naperville-Elgin, IL-IN-WI
- County
- DuPage County, IL
- Website URL
- isortho.org/
- Phone
- (630) 858-2060
IRS details
- EIN
- 36-2580040
- Fiscal year end
- June
- Taxreturn type
- Form 990
- Year formed
- 1980
- Eligible to receive tax-deductible contributions (Pub 78)
- No
Categorization
- NTEE code, primary
- S41: Promotion of Business
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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