Business Information

• Does my business need to register? (This link takes you to the City Clerk's page on the City of O'Fallon's web site).
• Does my business need a permit? (Links to the City of O'Fallon's web page on permits).
• City of O'Fallon Information for Businesses
• City of O'Fallon Census Information
• City of O'Fallon Guidelines on Signs
• City of O'Fallon Economic Incentive Policy
• St. Clair County
• St. Louis Regional Chamber and Growth Association
• State of Illinois resources for new and established businesses
• State of Illinois Department of Commerce and Economic Development
• State of Illinois Office of the Treasurer
• State of Illinois Chamber of Commerce
• State of Illinois Buy Illinois Network
• State of Illinois Attorney General's Office
• Southern Illinois University Edwardsville Small Business Development Center
• Southern Illinois University Edwardsville Entrepreneurship Center
• Eastern Missouri and Southern Illinois Better Business Administration
• United States Chamber of Commerce
• United States Federal Business Opportunities
• United States Small Business Administration Office of Advocacy
• Free, confidential business advice for entrepreneurs from SCORE, a volunteer organization of retired and working executives.