| 1 | | Deokyang-gu, Haengsin-dong, 762-4 | Gyeonggi-do, Goyang-si |  KR | | +82 319388295 | N/A | N/A |
| 2 | | Seokchon-dong, 14-1 | Seoul, Songpa-gu | KR | | +82 234006500 | N/A | N/A |
| 3 | | Daechi-dong, 996-12 | Seoul, Gangnam-gu | KR | | +82 25651671 | N/A | N/A |
| 4 | | Sinjeong 3(sam)-dong, 586-1 | Ulsan, Nam-gu | KR | | +82 522577511 | N/A | N/A |
| 5 | | Hamyang-eup, Goun-ro, 23|KR|세림토목설계사무소|2층 | Gyeongsangnam-do, Hamyang-gun | KR | | +82 1063607832 | N/A | N/A |
| 6 | | Bangi-dong, 200-2 | Seoul, Songpa-gu | KR | | +82 234333000 | N/A | N/A |
| 7 | | Sujeong-gu, 창업로 42|경기기업성장센터|709호 | Gyeonggi-do, Seongnam-si | KR | | +82 220572210 | N/A | N/A |
| 8 | | Gasan-dong, 60-19 | Geumcheon-gu | KR | | +82 233970322 | N/A | N/A |
| 9 | | 708 Hyoja 2(i)-dong | Chuncheon-si, Gangwon-do | KR | | +82 332449300 | N/A | N/A |
| 10 | | KR 서울특별시 강남구 역삼로 8길 15 홍우빌딩 | 태성에스엔아이 | KR | | +82 25541020 | N/A | |
| 11 | | Heungdeok-gu, Gagyeong-dong, 1454-2 | Cheongju-si | KR | | +82 432367801 | N/A | N/A |
| 12 | | Munjeong 2(i)-dong, 288 | Songpa-gu | KR | | +82 222021052 | N/A | N/A |
| 13 | | Bundang-gu, Gumi-dong, 204-5 | Seongnam-si | KR | | +82 317114880 | N/A | |
| 14 | | Dongan-gu, Gwanyang-dong, 1307-37 | Anyang | KR | | +82 314506397 | N/A | N/A |
| 15 | | Eonju-ro, 527 | Gangnam-gu | KR | | +82 25389500 | N/A | N/A |
| 16 | | Gangwon-do | Samcheok-si | KR | | +82 335760110 | N/A | N/A |
| 17 | | Dongan-gu, Pyeongchon-dong, 126-1 | Anyang | KR | | +82 314783970 | N/A | N/A |
| 18 | | Bongdam-eup, Donghwa-ri, 564|원희캐슬|426호 | Hwaseong-si | KR | | +82 313576340 | N/A | N/A |
| 19 | | Mupung-myeon, Hyeonnae-ri, 742-1 | Muju-gun | KR | | +82 633237794 | N/A | |
| 20 | | Dongan-gu, Bisan-dong, 1107 | Anyang | KR | | +82 313806700 | N/A | |