ResearchSources.com
Marketing data per country: national statistics, company registers, sector organizations, export promotion institutes, publishers, international institutions, market research companies, tradefairs and many other sources.
Other Sources
Expodatabase
US Patent and Trademarkt Office
European Patent Office
http://www.european-patent-office.org
PhraseBase Country data
http://www.phrasebase.com/countries/inde...
Annual report service
http://annualreportservice.com/
Oanda ( currencies worldwide)
FITA, Federation of International Trade Associations
Woldchambers, chambers of commerce worldwide
Thomas Global Register
Store checks in Europe
http://www.virtual-product-check.com