Definition / Belongs to this divisionThis division includes:
- architectural consultancy:
- building design, drawing
- urban planning, landscaping planning
It does not belong to this sectorThis division excludes:
- computer consultancy, see 62.02, 62.09
- interior design, see 74.10

Definition / Belongs to this divisionThis division includes:
- engineering design (engineering design of machines, materials, tools, structures, processes and systems using the laws and principles of physics) and engineering consultancy with regard to:
- machines, industrial processes, industrial plants
- civil engineering, water engineering, transport engineering cooperation projects
- water management projects
- project related to electrical and electrical engineering, mining engineering, chemical engineering, mechanical engineering, industrial and systems engineering, safety engineering
- development and implementation of telecommunications and data transmission infrastructure projects
- air conditioning, refrigeration, sewage and air pollution control, waste management, acoustics, etc. development of a project using engineering activities
- geophysical, geological and seismic survey, forecasting
- geodesy:
- surveying, boundary and land surveying
- hydrographic survey
- subsurface survey
- cartographic and spatial information activities
It does not belong to this sectorThis division excludes:
- mining test drilling, see 09.10, 09.90
- development and publishing of related software, see 58.29, 62.01
- computer consultancy, see 62.02, 62.09
- the technical examination, see 71.20
- research and development related to engineering, see 72.19
- industrial design, see 74.10
- aerial photography, see 74.20

Definition / Belongs to this divisionThere are three types of scientific research and development in this sector: 1) Basic research: experimental or theoretical research whose primary purpose is to acquire new knowledge of the underlying phenomena and observable reality, without any intention of use or application. 2) Applied research: original research work carried out in order to acquire new knowledge, which is primarily aimed at solving specific practical goals and problems. 3) Experimental development: a systematic activity based on existing knowledge gained from previous research and / or practical experience, aimed at producing new materials, products and tools, introducing new processes, methods and services, and substantially improving existing or introduced ones.

The research and development activity belonging to the sector can be divided into two categories: scientific and technical research and development; research and experimental development on social sciences and humanities.
It does not belong to this sectorThis sector excludes:
- market research, see 73.20

Definition / Belongs to this divisionThis sub-sector includes science, basic technical research, applied research and experimental development.