| 34 | Magnachip Semiconduc | 1Q HOOK-UP construction | Under construction |
| 33 | LB Semicon | 1Q HOOK-UP construction | Under construction |
| 32 | SK Hyeng | M15 HOOK-UP construction in 2020 | Under construction |
| 31 | Magnachip Semiconduc | C-2 production equipment HOOK-UP construction |
2019. 01~2019. 12 |
| 30 | LB Semicon | From 1Q to 4Q HOOK-UP construction |
2019. 01~2019. 12 |
| 29 | SK Hyeng | M15 relocation from 1Q to Q4 in 2019 |
2019. 01~2019. 12 |
| 28 | SK Hyeng | M15 1st relocation equipment Hook up_Etch,Clean |
2019. 06~2019. 12 |
| 27 | DB HiTek | UTILITY HOOK-UP construction |
2019. 05~2019. 07 |
| 26 | DB HiTek | Sangwoo Plant 2019 Utility HOOK-UP construction |
2019. 01~2019. 04 |
| 25 | Magnachip Semiconduc | Cheongju Plant from 1Q to 4Q of 2018 HOOK-UP construction |
2018. 04~2018. 11 |
| 24 | LB Semicon | LB Semicon from 1Q to 4Q of 2018 HOOK-UP construction |
2018. 05~2018. 09 |
| 23 | SK Hyeng | M15 pre-stocked supply device in 2019 |
2018. 12~2019. 01 |
| 22 | SK Hyeng | M15 pre-stocked investment equipment hook-up construction work in 2018 |
2018. 12~2019. 03 |
| 21 | SK Hyeng | M15 PJT 55K hook-up construction_2018 investment |
2018. 09~2019. 03 |
| 20 | SK Hyeng | M15 1Way Equipment investment_Clean, Etch |
2018. 06~2018. 12 |
| 19 | LG Siltron Co.，Ltd. | Construction of EPI C/R high-purity gas line |
2011. 06~2011. 09 |
| 18 | LG Siltron Co.，Ltd. | LPE high-purity GAS PIPING and 13 others |
2010. 05~2010. 05 |
| 17 | LG Siltron Co.，Ltd. | CLEAN ROOM GAS PIPING WORK |
2010. 05~2010. 06 |
| 16 | LG Siltron Co.，Ltd. | High-purity LINE SUB MAIN construction and PURIFIER H/P |
2010. 04~2010. 05 |
| 15 | LG Siltron Co.，Ltd. | Construction work on Building B 80K/M GROWER HOOK-UP |
2009. 10~2010. 02 |
| 14 | LG Siltron Co.，Ltd. | FAN COIL UNIT manufacturing and installation work |
2009. 05~2009. 05 |
| 13 | LG Siltron Co.，Ltd. | EPI BOX CLEANER CDA PIPING WORK |
2009. 03~2009. 05 |
| 12 | LG Siltron Co.，Ltd. | Air conditioning DUCT modification in Building B of Plant #2 and 27 others |
2009. 01~2009. 04 |
| 11 | LG Display | P2/3 irrational repair work |
2008. 07~2008. 09 |
| 10 | LG Display | CF1345 Plsma-Asher Hook-Up construction (facility construction) |
2008. 06~2008. 07 |
| 9 | LG Display | Special inspection of UT piping and revision work for blueprints |
2008. 05~2008. 08 |
| 8 | LG Display | P4/6 heating pump relocation work |
2008. 06~2008. 08 |
| 7 | LG PHILIPS LCD | P1 CDA BACK-UP SYSTEM installation work |
2006. 05~2006. 07 |
| 6 | LG PHILIPS LCD | Relocation work for P3 Defect Analysis Room related to new construction of 3F Photo, P3 Central Building (facility construction) |
2006. 05~2006. 05 |
| 5 | LG PHILIPS LCD | Improvement work on Hot DI Heat Pump application for P2/3 plant (machinery/piping work) |
2006. 05~2006. 09 |
| 4 | SK Hyeng | M15 3rd relocation in 2019 |
2006. 05~2006. 09 |
| 3 | LG PHILIPS LCD | Improvement work on boiler supply water line |
2005. 04~2005. 05 |
| 2 | LG PHILIPS LCD | Facility construction related to P2 TFT Capa-up (Hot D.I repair work) |
2005. 04~2005. 06 |
| 1 | LG PHILIPS LCD | Installation construction of the TA Education Center of Building L of the Innovation School |
2005. 12~2006. 01 |