• NAICS  
• UK Standard Industrial Classification
• The Market Research Society
• ESOMAR
• Dun & Bradstreet
• Online Surveys
• Surveywriter
• Surveymonkey
• The Survey System
• Survey Crafter Professional
• XE.com

Essential B2B Intelligence Sources

• American Marketing Association
• Business-China
• Business Week (Europe)
• The Economist
• Eurostat
• Fifo Ost (Eastern Europe)
• Financial Times
• IMP Group (academic research)
• The National Business Review (New Zealand)
• National Statistics Online (UK)                                             
• Reed Business Information  
• United Nations Statistics Division
• US Census Bureau
• The Wall Street Journal