Global Supply Chain Management

ISO standard-based alpha numeric country codes.

Use to restrict domain to a specific country in web searching; e.g., to limit to web sites within Russia, site:.ru

International Standard Industrial Classification of All Economic Activities

Canadian-based site hosted by Statistics Canada
Search via a clickable hierarchy, with sector identifier and text

U.S. based site; search via keyword entry

The Harmonized Commodity Description and Coding System is generally referred to as "Harmonized System" or simply "HS"
It comprises about 5,000 commodity groups; each identified by a six digit code. The system is used by more than 200 countries and economies as a basis for their Customs tariffs.

The United Nations Standard Products and Services Code® (UNSPSC®) provides an open, global multi-sector standard for classification of products and services.

Identify applicable classification/coding schemes by country