Data update history
April 30, 2026
Posted financials
Added Form 990 for fiscal year 2025
April 21, 2026
Updated personnel
Identified 2 new personnel
April 30, 2025
Posted financials
Added Form 990 for fiscal year 2024
November 30, 2024
Updated personnel
Identified 6 new personnel
October 2, 2024
Updated personnel
Identified 3 new personnel
Nonprofit Types
Public sector nonprofitsProfessional associationsBusiness and community development organizationsCharities
Issues
EducationCommunity improvementPublic policyBusiness and industry
Characteristics
Legally formed as corporationMembershipsPolitical advocacyLobbyingFundraising eventsReceives government fundingEndowed supportGala fundraisersFundraising races, competitions, and tournamentsTax deductible donationsAccepts online donations
General information
- Address
- 1220 Oak Brook Rd
- Oak Brook, IL 60523
- Metro area
- Chicago-Naperville-Elgin, IL-IN-WI
- County
- DuPage County, IL
- Website URL
- dmmc-cog.org/Â
- Phone
- (630) 571-0480
- Facebook page
- dupage-mayors-and-managers-conferenceÂ
IRS details
- EIN
- 36-2958347
- Fiscal year end
- April
- Taxreturn type
- Form 990
- Year formed
- 1962
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- W20: Government and Public Administration
- NAICS code, primary
- 813920: Professional Associations
- Parent/child status
- Independent
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