GPC
has well-proven, robust business rules enabling global search and reference, category analysis and global data synchronisation. Thirty-six segments are supported by GPC. Its development is managed through the GS1 Global Standard Management Process (GSMP). It has support from GCI companies, the GS1 community, solution providers, data pools and the GS1 Global Registry.
UNSPSC
is a hierarchical classification with five levels, covering 55 segments, including products and services. It is a globally recognised brand. It has traditionally been used for company-wide visibility of spend analysis, cost-effective procurement optimisation, and exploitation of electronic commerce capabilities.