| S/N | SON TC Number | TC Name |
|---|---|---|
| 1 | SON/TC 077 | Cements and Lime |
| 2 | SON/TC 078 | Concrete and concrete products |
| 3 | SON/TC 079 | Steel |
| 4 | SON/TC 080 | Timber and timber products |
| 5 | SON/TC 081 | Roads and road furniture |
| 6 | SON/TC 082 | Geotechnics |
| 7 | SON/TC 083 | Refractories |
| 8 | SON/TC 084 | Plywood and boards |
| 9 | SON/TC 131 | Clay and clay products |
| 10 | SON/TC 133 | Masonry and natural stones |
| 11 | SON/TC 134 | Construction technology |
| 12 | SON/TC 135 | Sanitation and water treatment |
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