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937-642-6279 | chamber@unioncounty.org
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Union County Chamber of Commerce
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Union County Chamber of Commerce

227 East Fifth Street
Marysville, Ohio 43040
T: (937) 642-6279
F: (937) 644-0422
chamber@unioncounty.org

Lobby Hours:

Monday-Thursday: 8:30 am - 4:00 pm

Friday: 8:30 am - Noon

Partners & Alliances

Union County-Marysville Economic
Development Partnership

Union County Convention and Visitors Bureau

© 2025 Union County Chamber of Commerce.

Close Menu
  • About
    • About Chamber
    • Become a Chamber Member
  • Networking/Education Opportunities
    • Business Associations
    • Leadership
    • Business Impact Breakfast
    • Union County Safety & Health Council
  • Members
    • Member Directory
    • Jobs from Members
    • Member Deals
  • Events
  • Contact