Government

• Department of Commerce and Economic Opportunity
• Illinois Environmental Protection Agency
• Illinois General Assembly
• Illinois Institute for Rural Affairs (IIRA)
• Illinois Secretary of State/Corporate/LLC Search
• State of Illinois
• United States Bureau of Labor Statistics
• United States Census Bureau
• United States Department of Agriculture Rural Development
• United States Department of Commerce
• United States Environmental Protection Agency
• United States Rural Information Center
• United States Small Business Administration

Business

• American City Business Journals
• Edgar Online
• Hoover's Online - The Business Network 
• IDEA Site for Business
• Public Register's Annual Report Services (PRARS)
• Thomas Register Online 
• United States Business Resource Center Directory
• United States Stock Information

Development

• Better Business Bureau (BBB)
• Council for Community and Economic Research (C2ER)
• CoreNet Global
• Illinois Eterprise Zone Association
• Illinois Tax Increment Association (ITIA)
• International Economic Development Council (IEDC)
• National Association of Development Organizations (NADO)
• National Business Incubation Association
• National Rural Economic Development Association (NREDA)
• Service Corps of Retired Executives (SCORE)
• Society of Industrial & Office Realtors (SIOR)