| S/N | SON TC Number | TC Name |
|---|---|---|
| 1 | SON/TC 107 | Freight containers |
| 2 | SON/TC 108 | Plastic Pipes, Fittings and Valves |
| 3 | SON/TC 109 | Cutlery and table hollow-ware |
| 4 | SON/TC 110 | Boilers and pressure vessels |
| 5 | SON/TC 111 | Basic engineering |
| 6 | SON/TC 112 | Containers and tanks |
| 7 | SON/TC 113 | Welding and allied processes |
| 8 | SON/TC 114 | Wire and wire products |
| 9 | SON/TC 114/SC 01 | Steel wire ropes |
| 10 | SON/TC 115 | Ships and marine technology |
| 11 | SON/TC 116 | Lifts and escalators |
| 12 | SON/TC 117 | Liquefied petroleum gas installations |
| 13 | SON/TC 118 | Petroleum tanks and installations |
| 14 | SON/TC 119 | Iron mongery and builders hardware |
| 15 | SON/TC 120 | Small tools |
| 16 | SON/TC 121 | Steel and aluminium products and metallugy |
| 17 | SON/TC 122 | Road vehicles |
| 18 | SON/TC 123 | Tyres, rims and valves |
| 19 | SON/TC 124 | Tractors and machinery for agriculture and forestry |
| 20 | SON/TC 125 | Metal pipes and metallic fittings |
| 21 | SON/TC 126 | Appropriate technology |
| 22 | SON/TC 127 | Cranes and Industrial trucks |
| 23 | SON/TC 128 | Cycles |
| 24 | SON/TC 129 | Equipments for fire fighting and Fire protection |
| 25 | SON/TC 130 | Aircrafts |
| 26 | SON/TC 132 | Assistive products for persons with disabilities |
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