Contact Us
We look forward to your visit, whether online or in our building!

Request online information:
Relocating to the area? Wanting more information about the Chamber? Fill out this form for a quick response.

Looking for a particular staff or board member?

Talk to us:
Call the Chamber at 636-240-1818 to talk to a staff member between 9 am and 5 pm.

Visit us in O'Fallon, Missouri:
Visitors are welcome in the Chamber office from 9 am and 5 pm located at 2145 Bryan Valley Commercial Dr, O'Fallon, MO 63366. Bryan Valley Commercial Plaza is located off of Bryan Rd directly across from White Magnolia Dr and the Conoco station in the Bryan Valley Commercial Plaza. Our building is located in the back. Look for the sign!