Unspsc
The United Nations Standard Products and Services Code (UNSPSC) is a hierarchical coding system used to classify all products and services. The code can be used by organizations to classify their own products and services, and to procure goods and services from other organizations.
The UNSPSC was developed by the United Nations Development Programme (UNDP), the United Nations Environment Programme (UNEP) and the International Trade Centre (ITC). It is maintained by GS1 US.