Accounting	1
Agriculture	13
Chemistry	5
Coal	1
Commerce	1
Communications	29
Construction	1
Criminal law	1
Earth sciences	4
Ecology	3
Economics	42
Education	41
Electronics	24
Energy industry	15
Environment	100
Finances	26
General	151
Health care	18
Hydraulics	1
Immigration and citizenship	3
Industry	22
Information technology	108
International trade	6
Labor law	10
Law	12
Life sciences	14
Marketing	2
Materials science	46
Mechanic engineering	1
Medical	16
Metallurgy	7
Microsoft	11
Mineral products	1
Natural sciences	105
Nuclear and fusion power	2
Nuclear physics	7
Obsolete / dated	8
Patents	4
Pharmacy and pharmacology	4
Physical sciences	1
Politics	15
Research and development	15
Scientific	4
Social science	15
Statistics	3
Taxes	1
Technology	34
Transport	16
United Nations	2


protection services
gen.	dienst die verantwoordelijk is voor de bescherming van prominenten