Click on the following links. Please note these will open in a new window.

NAICS

UK Standard Industrial Classification

The Market Research Society

ESOMAR

Dun & Bradstreet

BOS (Bristol Online Surveys)

Surveywriter

Surveymonkey

The Survey System

Survey Crafter Professional

XE.com

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