| 1 | | Taein-dong, 1657-6 | Jeollanam-do, Gwangyang-si |  KR | | +82 617920933 | N/A | N/A |
| 2 | | 203-27 서부로 Jinyeong-eup | Gimhae-si, Gyeongsangnam-do | KR | | +82 553424667 | N/A | N/A |
| 3 | | Geumhosunseo-gil, 121-9 | Busan, Gangseo-gu | KR | | +82 519729940 | N/A | N/A |
| 4 | | Yongam-ri, Cheongnyang-myeon | Ulju-gun, Ulsan | KR | | +82 522371301 | N/A | N/A |
| 5 | | Hanaun 3-gil, 20|3층 | Jeollabuk-do, Gunsan-si | KR | | +82 634654043 | N/A | N/A |
| 6 | | Hwajeon-dong, Hwajeonsandan 4(sa)-ro 30(sams, 33-26 | Busan, Gangseo-gu | KR | | +82 512041183 | N/A | N/A |
| 7 | | Nowon 3(sam)-ga, 58-30 | Daegu, Buk-gu | KR | | +82 533548743 | N/A | N/A |
| 8 | | Seojeong-ro, 28|경기배관용접연습장학원 | Gyeonggi-do, Pyeongtaek-si | KR | | +82 1029464860 | N/A | N/A |
| 9 | | Seodong-daero, 1832-16|KR | Gyeonggi-do, Pyeongtaek-si | KR | | +82 3180944040 | N/A | N/A |
| 10 | | 1층, 433 Dorim-ro | Yeongdeungpo-gu, Seoul | KR | | +82 1075678470 | N/A | N/A |
| 11 | | Byeollae-dong, 69-1 | Gyeonggi-do, Namyangju-si | KR | | +82 315719975 | N/A | N/A |
| 12 | | Jeongnam-myeon, Jeongnamdong-ro, 302|KR | Gyeonggi-do, Hwaseong-si | KR | | +82 1041057221 | N/A | |
| 13 | | Gimje-si, 금구면 선비로 1280 | Jeollabuk-do | KR | | +82 1036823208 | N/A | N/A |
| 14 | | Sadeung-myeon, Jiseok-ri | Gyeongsangnam-do, Geoje-si | KR | | +82 556382362 | N/A | N/A |
| 15 | | Songnim 4(sa)-dong, 295 | Dong-gu | KR | | +82 325891337 | N/A | N/A |
| 16 | | Hyangnam-eup, Sujik-ri, 309-6 | Hwaseong-si | KR | | +82 312739890 | N/A | N/A |
| 17 | | Gojan-dong, 700-4 | Namdong-gu | KR | | +82 1043382369 | N/A | N/A |
| 18 | | 독곡동 380-2번지 B동 1층 평택시 경기도 KR | N/A | KR | | +82 316677016 | N/A | N/A |
| 19 | | , Bukseong-dong 1(il)-ga | N/A | KR | | +82 1053856262 | N/A | N/A |
| 20 | | Hachon-ro, 58|2층 | Namdong-gu | KR | | +82 322233300 | N/A | N/A |