Oak Park-River Forest: Good neighbors, good business.

Join
Join
Menu

Find a Business

Business DirectoryWomen-Owned BusinessesDiversely-Owned BusinessesVeteran-Owned BusinessesSocial Impact Businesses & NonprofitsHome Improvement, Construction & Trades

Events

Events CalendarBusiness After HoursMeet Me for LunchNew Member ProgramsRibbon CuttingsAffinity GroupsCommunity InitiativesSpotlight AwardsHealth & Wellness FairBite NiteAnnual MeetingPhoto Gallery

Membership

Join the ChamberMember Levels & BenefitsCommunity ContributorsSponsor & AdvertiseEmail Sign-Up

Resources

ArticlesNewsletter ArchiveCook County Small Business SourceStarting a BusinessAnswer Book

About

About UsBoard & StaffAdvocacyPolicies & DocumentsContact Us
JoinMember login(708) 613-0550
Event details

ANNUAL 990/990-T DUE

May 15, 2026 12:00 AM | Ends May 15, 2026 11:59 PM
Back
About this event
Event details will be posted soon.
At a glance
Friday, May 15, 2026
12:00 AM
Add to calendar
Google Calendar Apple Calendar or Outlook

Saves a copy of this event. It won’t register you or update automatically.

More upcoming events
Embroidered Traditions from Morocco to Afghanistan
Nov 9, 2026 1:15 PM
Changing the Conversation Around Aging: Then and Now in Film
Nov 10, 2026 11:30 AM
Business After Hours - OPRF Museum - November 2026
Nov 10, 2026 5:00 PM