IFC  | The Industry Foundation Classes —is a data model intended to describe architectural, building and construction industry data. It’s indispensable when creating files using BIMscript.  | 
ETIM  | German for ElektroTechnisches Information Model —is a proposed standard for the electronic exchange of product data for electrical and electronic equipment.  | 
Uniclass 2015  | It’s a unified classification system for all sectors of the UK construction industry.  | 
NBS Reference  | National Building Specification is a UK-based system of construction specification used by architects and other building professionals to describe the materials, standards and workmanship of a construction project.  | 
Uniclass 2.0  | Previous version of Uniclass 2015.  | 
Uniclass 1.4  | Previous version of Uniclass 2015.  | 
Omni Class  | Used for the organising and retrieving of information for the construction industry. North American equivalent of Uniclass.  | 
Master format 2014  | A standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.  | 
UNSPSC Category  | United Nations Standard Products and Services Code is a coding system to classify both products and services for use throughout the global marketplace.  | 
UniFormat II  | A standard for classifying building specifications, cost estimating, and cost analysis in the U.S. and Canada. The elements are major components common to most buildings. This is a small number of options so pick what is closest. Whole sectors of the industry are generalised.  | 

