2011

• Thailand gas compression plant construction project
• UAE Abu Dhabi Eco-friendly Residential Complex construction project
• Singapore road construction project
• Panama thermoelectric power plant construction project
• Wangsimni New Town District #3 Redevelopment project
• SK Chemical Eco Lab acquired “best eco-friendly building” certification in Korea

2010

• India Padur Oil Storage Tank Terminal construction project
• Ecuador refinery basic design project
• New Uljin NPP Units # 1 and #2 main facility construction project
• Saudi Arabia KAPSARC construction project
• Oseong Combined Cycle Power Plant construction project
• Singapore Jurong Aromatics Complex construction project
• Qatar communication project
• Turkey Thermoelectric Power Plant construction
• Registered copyrights for 41 new floor plans including a floor plan for low-rise buildings

2009

• India oil sto rage tank construction project
• Abu Dhabi Complex construction project
• UAE Ruwais Refinery expansion project
• Launched ‘Eco-life Initiative’

2008

• Received a construction order for refinery processing facility from KNPC, Kuwait
• Completed LBO plant for Patra-SK in Indonesia ahead of schedule
• 30 million accident-free labor hours achieved during facility upgrade project in Kuwait
• Received a construction order for Istanbul Strait Road tunnel crossing

2007

• Received the construction order of crude oil collecting facilities made by KOC in Kuwait
• Received the facility modernization order of Thailand RRC Oil Refinery
• Received the construction order of Singapore JAC Aromatic Plant
• Received the construction order of Thailand TPP Polypropylene Plant
• Received the independent construction order of Kuwait KNPC Gas Treatment Facility

2006

• Completed the construction of VGO Hydrotreating Unit and Sulphuric Acid Alkylation Unit in Rumania
• Completed the construction of Daegu-Busan Expressway
• Received the order of Incheon Uni. Transfer and PF development project for Dohwa area
• Received the development order of Incheon Cheongna area Free Economic Zone(section 3)
• Executed the purification project for contaminated soil

2005

• Received the reformation order of crude oil collecting facilities and entrance facilities in Kuwait
• Received the construction order of Asan Baebang PF project
• Received the construction order of Wulsan Additional Reservation Base, and Inchecon Yeonuk Bridge connecting road, section 4
• Completed the construction of Ghana B2P3 Field
• Established the 2nd local corporation in Kuwait as SKEC Global Venture
• Entered the Laotian waterpower generation business Established 'SKEC Nanjin‘, SK’s Chinese Corporation
• Completed the construction of SK HUB olive in Juwa-dong, Haewundae, Busan City

2004

• Completed the construction of Bundang PARK VIEW
• Received the foundation construction order of north breakwater for new harbor in Gunjang
• Express Railway section 14-3/ Natural watercourse maintenance project for Gwangju Stream
• Completed the construction of India Surat-Manor Tollway Project phase 1

2003

• Participated in nuclear power plant No. 1•2 in Shingori
• Started the Pilot project of LNG underground reservation base technology
• Received the construction order of Kuwait RPMAA and KOCRP

2002

• Started the construction of Jungbu Inland Highway, section 2
• Launched SK HUB Brand
• Received the base construction order of Sihwa Multitechno Valley, section 5

2001

• Completed the construction of SK Bukhansan City APT
• Completed the construction of Donghae Thermal Generation Plant

2000

• Launched an APT Brand, SK VIEW
• Received the construction order of Additional Reservation Facilities in Yeosu 

1999

• Completed the construction of Incheon City Railway section 1-4 and 1-5
• Completed the construction of Pyeongtak SK Gas LPG underground reserve base
• Completed the construction of SK Seorin Building
• Completed the construction of 2-phase water supply facilities on the opening of Juam Dam
• Started the construction of Desulfurization Facilities of ADNOC Oil Refining Factory in United Arab Emirates
• Started the modernization construction of PEMEX Madero Oil Refinery in Mexico

1998

• Changed the name to SK Engineering & Construction
• Started the development of LNG underground reservation technology for the 1st in the world
• Completed the road construction between Ansan Dam-Anjung
• Completed the construction of Janghowon Sewage Disposal Facilities
• Acquired KEPIC Certificate

1997

• Made the 1st advance to Brazil (RFCC Project)
• Made the 1st advance to Kuwait (AGRP)
• Granted the patent for the blasting mechanism of SUPEX-CUT
• Received the foundation construction order of northern training dike for new harbor in Gunjang
• Completed the construction of Daejeon Government Building 3
• Received the order of Madero Oil Refining Turn-Key construction for Cadereita, Mexico(2.8bn USD)

1996

• Completed the expansion construction of Honam Expressway (Goseo-Sunchecon)
• Completed the construction of Yeosu U-1-1 Oil Reserve Facility
• Received the construction order of China Panjin ABS Plant Project
• Appointed for the new technology of SUPEX-CUT by the Ministry of Construction and Transportation
• Started the construction of BAC(Biological Activated Carbon) Treatment Facilities in Myeongjang, Busan
• Started the construction of Donghae Thermal Power Plant
• Entered the Chinese market/Started the construction of Panjin ABS Plant
• Started the construction of Kuwait KNPC Desulfuraization Treatment Plant
• Started the construction of Thailand NFC Sulphuric Acid Plant
• Completed the expansion construction of Honam Expressway(Goseo-Sunchecon)
• Completed the road construction between Tueguewon-Euijungbu

1995

• Exceeded the total sales of 1 trillion KWN
• Completed the construction/donation of Suwon SK Library
• Started the construction of Yugong PE/PP No.2 Plant
• Started the construction of Water Treatment Facilities in Naedang, Daegu City
• Started the extension construction of Oil Refining Factory ordered by TOR in Ghana
• Started the modernization construction

1994

• Received the order of Aromatic/Reformer Complex Turn-Key construction ordered by Thailand ATC
• Started the construction of Yugong’s RFCC Plant
• Started the construction of Gangmam Resouce Recovery Facilities
• Started the construction of Kuwait KNPC Liquid Propane Gas Storing Facilities
• Started the construction of Aromatic/Reformer Plant ordered by Thailand ATC
• Completed the construction of Youido SK Securities Building
• Completed the construction of SK Group Daeduck Research Complex
• Acquired ISO 9001 Certificate

1993

• Received the construction order of Gyeongbu High-Speed Railway (Section 5-3)
• Started the construction of PEMEX’s CCR Plant
• Started the construction of Yugong’s Lubrication Oil Plant
• Completed the foundation construction of Changwon Tunnel
• Exceeded the order amount of 1 trillion KWN
• Introduced APT Brand 'HOMEX‘ for the 1st time in the industry
• Started the construction of Daejeon Government Building 3
• Completed the construction of Gwachecon Double Line Subway between Gumgeong-Sangdang Section 7
• Started the extension construction of Yugong’s High-Pressure Distillation Facilities(No.4)
• Started the construction of Yugong’s Light Oil Desulfurization Plant
• Started the construction of Nowon Cogeneration Facilities

1992

• Entered the Mexican market/Started the construction of national oil company, PEMEX’s MTBE Plant
• Entered the Ghanan market/Started the construction of PPSD ordered by the Ghanan government
• Received the construction order of Ansan new town 2-phase project
• Acquired ASME Certificate (American Society of Mechanical Engineers)
• Started the construction of Ansan new town 2-phase project
• Entered the Mexican market/Started the construction of PEMEX’s MTBE Plant
• Entered the Ghana market/Started the construction of PPSD ordered by the Ghana government

1991

• Received the construction order of Polymer Plant from Eastman Kodak, USA
• Received the construction order of Bulmosan Tunnel
• Started the construction of Yeosu U-1-1 Oil Reserve Facility
• Started the construction of Seoul Subway Line 7, Section 7-16
• Entered Thailand/Started the construction of national oil company, PTT’s Suriracha Oil Refining Facilities
• Entered Indonesian market/Started the construction of SKKI(SK Chemical’s Indonesian Local Corporation)’s PET Plant

1989

• Established a Research Institute attached to SKEC
• Started the foundation construction of Changwon Tunnel
• Started the construction of Jinhae Chemical’s Insan Plant
• Completed the construction of Yugong’s Ethylene Plant
• Started the construction of Samsung Petrochemical SM Plant
• Started the construction of Samsung Petrochemical(EO/EG) Plant
• Started the construction of Namhae Chemical Dilute Nitric Acid Plant

1988

• Completed the construction of Wulsan Yugong Gas’s LPG Underground Reserve Facilities
• Completed the construction of 88 Olympic Village APT
• Started the construction of Yugong’s High-Pressure Distillation Facility(No.4)
• Started the construction of Yugong’s Oxy-Chemical PO/SM Plant
• Started the construction of of Yugong’s Light-Weighted Oil Reforming Plant
• Completed the construction of Wulsan Yugong Gas (Current SK Gas) LPG Underground Reserve Facilities
• Started the construction of Namhae Chemical’s Fertilizer Plant
• Started the construction of Yugong’s PE/PP Plant

1987

• Entered the Indonesian market (SK Synthetic Fiber DMT/PTA)
• Completed the construction of Hotel Paradise Beach in Busan
• Started the construction of SK-Industry(Current SK Chemical)’s DMT/PTA Plant
• Appointed as Excellent Construction Business by Korea National Housing Corporation
• Started the construction of Yugong’s Ethylene Plant

1986

• Appointed as Excellent Construction Business by Ministry of Construction
• Started the construction of Wulsan Yugong Gas (Current SK Gas)’s LPG Underground Reserve Facilities

1985

• Participated in the modernization project of Yugong’s Oil Refinery
• Started the construction of Paradise Beach Hotel in Busan
• Completed the construction of SK APT in Daechi-dong, Seoul

1984

• Changed the name to SK Engineering & Construction Co., Ltd.
• Acquired ISO 9001certificate (International Standard Organization)
• Entered the Malaysian market
• Entered the engineering sector for EC(Engineering & Construction) business promotion
• Started the modernization project of Yugong’s High-Pressure Distillation Facilities(No.1, 2, 3)
• Started the construction of SK APT in Guseo-dong, Busan

1983

• Entered the Malaysian market/Started the construction of high-storied compound shopping center

1982

• Entered the Saudi Arabian market
• Started the construction of SK APT in Daechi-dong, Seoul

1981

• Started the construction of Yugong(Current SK Corporation)’s Youido Building
• Started the construction of Yugong’s Wulsan Oil Storing Tank

1980

• Received the construction order of Banwol new town housing complex
• Started the construction of SK Chemical (Current SKC)’s Polyester Film Plant
• Completed the construction of Walkerhill APT

1979

• Started the construction of SK Synthetic Fiber(Current SK Chemical)’s PET Plant
• Entered the Saudi Arabian market and started the construction of housing complex

1977

• Established SK Construction Co.,Ltd.
• Started the Construction of Walkerhill Apartment