Business Tools
The O'Fallon Chamber of Commerce serves as an advocate for business in partnership with the community. We support and assist existing businesses and act promote the economic health of the O'Fallon area, stimulating jobs and improving the quality of life.

We’re committed to helping businesses of all sizes succeed and our Bussiness Tools page serves as a comprehensive resource for small business owners and managers. If you’re facing a problem that you don’t know how to solve, contact us, we may be able to help!
Economic Development Department
The Economic Development Department is proactive in developing relationships with businesses seeking to locate, retain or expand their operation in O’Fallon. The City works to market and promote the area for new business investment, economic growth, quality development and the creation of job opportunities.
Open In The ‘O’ Guide
This guide will assist small businesses in the step-by-step process to build or expand their business in O’Fallon. As the proud home to nearly 1,500 businesses and more than 80,000 residents and consistently named one of America’s Best Places to Live, O’Fallon has developed a reputation as a business-friendly community that supports and encourages commercial enterprises. The Open in the ‘O’ program is a next step in personal assistance to promote and grow our local business community.

Other Resources:

Find a Location:

St. Charles City-County Library District
Located at the Spencer Road Library, the Business Services & Public Management Special Collection offers resources to assist with starting, running and growing a business. This includes not only print and electronic resources, but staff assistance and consultation as well.
Economic Development Center
of St. Charles County
- County Facts
- Business Incubation
- Small Business Loans