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The United Nations Standard Products and Services Code (UNSPSC) is a hierarchical convention that is used to classify all products and services. It is the most efficient, accurate and flexible classification system available today for achieving company-wide visibility of spend analysis, enabling procurement to deliver on cost-effectiveness demands and allowing full exploitation of electronic commerce capabilities.

The UNSPSC was jointly developed by the United Nations Development Programme (UNDP) and Dun & Bradstreet Corporation (D & B) in 1998. It has been managed by GS1 US since 2003.

UNSPSC Codes for Meccanica System Services and Offerings:

81101511   Railway Engineering
81101600   Mechanical Engineering
81101900   Oil & Gas Engineering
81100000   Professional Engineering Services
81102200   Transportation Engineering