| A : Civil Engineering and Architecture |
B : Mechanical Engineering |
| C : Electronic and Electrical Engineering |
D : Automotive Engineering |
| E : Railway Engineering |
G : Ferrous Materials and Metallurgy |
| H : Nonferrous Materials and Metallurgy |
K : Chemical Engineering |
| M : Mining |
P : Pulp and Paper |
| R : Ceramics |
S : Domestic Wares |
| T : Medical Equipment and Safety Appliances |
X : Information Processing |
| Z : Miscellaneous - Packaging, welding and radioactivity |