- DB(tech) Co.Ltd.
- Address:Seoul
- Nae Wai Commercial Co., Ltd.
- Address:Rm1208, Gangbyeon Hanshin Core Bldg., 350, Mapo-dong, Mapo-gu
- D&A Heavy Industries Co.,Ltd
- Address:42-2,Onsu-dong ,Guro-gu
- TORPEDO TNA CO.,LTD.
- Address:Room301, 127-83 Urideul Business Center, No. E, Paltan-Myeon, Gugang-Ri
- NEOBUZZ DEMOLITION TOOLS CO LTD
- Address:1208, SEJOONG TECHNO VALLEY,
- MARS EQUIPMENT
- Address:716 Adelis complex
- Jeill Heavy Equipment. Co. Ltd
- Address:3-2 Puk-dong