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We are constantly trying to improve the content of our website. If you have any suggestions or questions, please let us know.
You can also contact us if you need assistance with proper classification of activities, products etc. in one of the classifications supported by the United Nations.

To keep updated on latest developments, you can join our mailing list.

The Industrial and Energy Statistics Section of the United Nations Statistics Division can be reached through the UN Classifications Hotline by e-mail, fax or regular mail:

by e-mail:   CHL@un.org
by fax:+1 (212) 963-0623
by mail:Director
Statistics Division
Attn: Industrial and Energy Statistics Section
United Nations
New York, NY 10017