| Customer | Name Works | Scope Of Work | Location | Working Period | Value (THB.) |
| PTT Maintenance & Engineering Co., Ltd. | Install Fall Protection at RCL Project | Civil, Steel Structure and E & I Work | PTTGC (RCL) | March 2018 ~ May 2018 | 4,200,000.00 |
| PTT Maintenance & Engineering Co., Ltd. | Mechanical Seal Plan 52 Reliability Improvement ARO Project | Mechanical Erection and Installation | PTTGC Branch 4 ( Aromatic ) | 2018 ~ June 2019 | 6,800,000.00 |
| PTT Maintenance & Engineering Co., Ltd. | Relocate Underground Facilities for New Rack Room (I-1) and Demolish Pump Section Line for ORP Project | Piping and Civil Construction Work | PTTGC2 (I-1 Plant) | Januery 2018 ~ Januery 2019 | 2,480,522.00 |
| Sinopec Engineering Group (Thailand) Co., Ltd. | Mechanical Erection and Installation Work for RDCC Catalyst Cooler Project | Mechanical Erection and Installation | IRPC’s Refinery Plant, Rayong | June 2018 ~ Januery 2019 | 88,823,279.59 |
| PTT Maintenance & Engineering Co., Ltd. | Demolish and Reroute Domestic Sewerage Pipeline for ORP Project | Piping Construction Work | PTTGC2 (I-1 Plant) | March 2018 ~ June 2019 | 3,750,000.00 |
| Rayong Terminal Co., Ltd. | BCM-Pipe Rack Extension Construction 2 RTC-Piperack Extension Construction Area : RTC-BX-01 to BX-05 | Piping and Steel Structure Construction Co., Ltd. | RTC Plant | Januery 2018 ~ June 2018 | 10,500,000.00 |