Industrial Classification By SSIC (2020) Section M : ARCHITECTURAL AND ENGINEERING ACTIVITIES; TECHNICAL TESTING AND ANALYSIS 71 : ARCHITECTURAL AND ENGINEERING ACTIVITIES; TECHNICAL TESTING AND ANALYSIS 71 : ARCHITECTURAL AND ENGINEERING ACTIVITIES; TECHNICAL TESTING AND ANALYSIS 711 : ARCHITECTURAL AND ENGINEERING ACTIVITIES AND RELATED TECHNICAL CONSULTANCY 7111 : Architectural and Surveying Activities 71111 : Architectural services 71112 : Landscape design and landscape architecture 71113 : Quantity surveying services 71114 : Land surveying services 71119 : Other surveying services n.e.c. (e.g. geophysical, geologic, seismic, hydrographic surveying services) 7112 : Engineering Design and Consultancy Activities 71121 : General building engineering design and consultancy services 71122 : Process and industrial plant engineering design and consultancy services 71123 : Engineering design and consultancy services in energy management and clean energy systems 71124 : Environmental engineering design and consultancy services (except clean energy) 71125 : Infrastructure engineering design and consultancy services 71126 : Engineering design and consultancy services supporting mining, oil and gas extraction and offshore exploration activities 71129 : Engineering design and consultancy activities n.e.c. 712 : TECHNICAL TESTING AND ANALYSIS SERVICES 7120 : Technical Testing and Analysis Services 71200 : Technical testing and analysis services (including certification of products and services)