| Accounting | 15 |
| Agriculture | 46 |
| Astronautics | 2 |
| Automated equipment | 2 |
| Automatic control | 3 |
| Aviation | 48 |
| Banking | 4 |
| Beverages | 1 |
| Bioenergy | 2 |
| Biotechnology | 11 |
| Business | 5 |
| Cartography | 1 |
| Chemical fibers | 1 |
| Chemistry | 24 |
| Climatology | 2 |
| Coal | 5 |
| Commerce | 7 |
| Communications | 62 |
| Computers | 32 |
| Construction | 16 |
| Corporate governance | 19 |
| Criminal law | 4 |
| Cultural studies | 2 |
| Data processing | 3 |
| Earth sciences | 3 |
| Ecology | 2 |
| Economics | 64 |
| Education | 41 |
| Electronics | 19 |
| Employment | 2 |
| Energy industry | 8 |
| Environment | 82 |
| European Union | 2 |
| Finances | 113 |
| Fish farming pisciculture | 10 |
| Fishery fishing industry | 10 |
| Food industry | 20 |
| Food service and catering | 7 |
| Forestry | 29 |
| General | 171 |
| Genetics | 8 |
| Geography | 1 |
| Government, administration and public services | 2 |
| Health care | 31 |
| High energy physics | 1 |
| Hobbies and pastimes | 1 |
| Human resources | 3 |
| Human rights activism | 22 |
| Immigration and citizenship | 2 |
| Industry | 22 |
| Information technology | 95 |
| Insurance | 10 |
| International Monetary Fund | 65 |
| International trade | 6 |
| Labor law | 3 |
| Labor organization | 3 |
| Law | 71 |
| Librarianship | 2 |
| Life sciences | 7 |
| Linguistics | 4 |
| Marketing | 6 |
| Materials science | 6 |
| Mathematics | 1 |
| Measuring instruments | 9 |
| Mechanic engineering | 2 |
| Mechanics | 1 |
| Medical | 28 |
| Medical appliances | 26 |
| Metallurgy | 14 |
| Microbiology | 2 |
| Microsoft | 60 |
| Military | 4 |
| Mineral products | 1 |
| Mining | 1 |
| Municipal planning | 3 |
| Name of organization | 34 |
| Natural resourses and wildlife conservation | 4 |
| Natural sciences | 14 |
| Nautical | 3 |
| Nuclear physics | 1 |
| Oil / petroleum | 2 |
| Patents | 26 |
| Pharmacy and pharmacology | 2 |
| Politics | 24 |
| Procedural law | 3 |
| Pulp and paper industry | 2 |
| Radio | 2 |
| Reliability | 1 |
| Religion | 1 |
| Remote sensing | 2 |
| Research and development | 8 |
| Social science | 18 |
| Socialism | 14 |
| Sociolinguistics | 2 |
| Sociology | 3 |
| Soil science | 1 |
| Statistics | 10 |
| Superconductivity | 1 |
| Taxes | 5 |
| Technology | 16 |
| Telecommunications | 1 |
| Textile industry | 1 |
| Thermal Energy | 1 |
| Trade unions | 1 |
| Transport | 62 |
| United Nations | 61 |
| Veterinary medicine | 1 |
| Waste management | 1 |
| Water resources | 3 |
| Welfare & Social Security | 3 |
| Wood processing | 4 |
| Work flow | 5 |