| Supervision of firefighting facility construction (Gwangjin No. 2011-6) |
| Management of firefighting facilities (reissued: Gwangjin No. 2005-1) |
| Flame-proofing (Gwangjin No. 2007-1) |
| Construction of gas facilities (Type 2) ( Seoul No. 04943) |
| Electrical work (Seongdong 12-10-03) |
| Professional construction (construction of machinery and facilities) |
| Approval for the affiliated research institute (11839286) |
| Registration with the Korea International Trade Association |
| Factory registration (Hwaseong, Gyeonggi-do) |
| Manufacture and sale of firefighting devices |
| Fire risk diagnosis |
| Fire identification and investigation |
| General disaster prevention planning services |
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