| 1 | | Primary Zentech Tower, 159 Yeoksam-ro, Gangnam-gu | Seoul |  KR | | Oil & Energy | N/A | Wannacha Limthanakul | Process Engineer at ZENTECH ENGINEERING CO. LTD. |
| 2 | | Primary 75 Yulgok-Ro, Jongno-Gu, Seoul, 110-192, South Korea | Seoul | KR | | Oil & Energy | N/A | byeong jin | Director |
| 3 | | Primary 124 Chungnyeol-daero 3F | Busan | KR | | Oil & Energy | N/A | N/A | N/A |
| 4 | | Primary Head Office: C-1406, Hyundai Knowledge Industry Center, 7, Beopwon-ro 11-gil, Songpa-gu, Seoul, Rep. of KOREA Factory / Warehouse: 103, Sandanjungang-ro, Yeosu-si, Jeollanam-do, Rep. of KOREA | Seoul | KR | | Oil & Energy | N/A | 정익균 | Hi-Tech I&E, General Manager |
| 5 | | Primary 1st Floor, 611-12 Bangeo-Dong Dong-Gu | Ulsan | KR | | Oil & Energy | N/A | Geir Morten Rørset | Service Engineer at Westad Industri AS |
| 6 | | Primary 3F, 458, Bangeojinsunhwando-ro, Dong-gu, Ulsan, Korea | Ulsan | KR | | Oil & Energy | N/A | Yeong-Joong Ji | COO at HA Energy Co., Ltd. South Korea |
| 7 | | Primary 65, Mongnae-ro | Ansan | KR | | Oil & Energy | N/A | Jimster Chae | Overseas Sales Manager at Willscreen Co., Ltd |
| 8 | | Primary 939, Yongam-ri | Ulju | KR | | Oil & Energy | N/A | N/A | N/A |
| 9 | | 8-9 Deugdae-ro Dong gu | Ulsan | KR | | Oil & Energy | N/A | 王坦阳 | W |
| 10 | | 9F Daseung Plaza 538-7 Sang Dong | Bucheon | KR | | Oil & Energy | N/A | Minsok Jerry SUNG | Principle Engineer , Ex-pert Safety |
| 11 | | Primary 167-2, Gomo-ro, 324beonan-gil, Jillye-myeon | Gimhae-si | KR | | Oil & Energy | N/A | N/A | N/A |
| 12 | | 152 - 21 Oegukgieop-ro, Sanam-myeon | SACHON | KR | | Oil & Energy | N/A | Torben B. Hansen | Head of International Sales |
| 13 | | Primary 211. Munhwa-ro | Naju | KR | | Oil & Energy | N/A | bum-nyun kim | Chief Executive Officer |
| 14 | | Primary 34, Noksansandan 335-ro, Gangseo-gu | Busan | KR | | Oil & Energy | N/A | 서성철 | QM manager |
| 15 | | Primary 18th Floor, 13 Seoun-Ro | Seocho-Gu | KR | | Oil & Energy | N/A | Junsung Kim | Korea Atomic Industrial Forum(KAIF) |
| 16 | | Primary Boorim-dong, Dongan-gu | Anyang | KR | | Oil & Energy | N/A | 황상철hwang chul | Vice President |
| 17 | | Daejeon, North Chungcheong 305-506, KR | Daejeon | KR | | Oil & Energy | N/A | Tony Kim | Head of R&D Center at Korea Gas Technology Corporation |
| 18 | | Primary Yeoksam Dong | Seoul | KR | | Oil & Energy | N/A | Seungyong Chang | President at Art Collage JANG/Modigliani Institute Korea, Amazon Selling Author, Lecturer, Writer, Art Dealer, Wine |
| 19 | | Primary Gangnam-gu | Seoul | KR | | Oil & Energy | N/A | 조(Cho)준현(Jun-Hyun) | Nexolon 대리 |
| 20 | | Primary Gasandong world meridian | Seoul | KR | | Oil & Energy | N/A | 정상훈 jung | excutive director |
