“Awarded “SK Innovation ESG Partner Certification Plaque”

“Appreciation Plaque for T/A Excellent Partner”

“Appreciation Plaque for SK Energy Incheon CLX in 2012”

“Appreciation Plaque for Routine Maintenance in 2011”

“Appreciation Plaque for Superior Cooperator Selection in 2009”

Selected as “2009 Best Quality Partner”

“Performance Plaque for 30 billion record achievement”

“Appreciation Plaque for successful accomplishment of the project”

“Appreciation Plaque for successful accomplishment of the project”

“Appreciation Plaque for plant normalizing construction”

”Contribution plaque for Superior Cooperator”

“Citation plaque for seletion as a superb safety partner”

“Appreciation plaque for Youngheung thermal power plant 3rd”

“Appreciation plaque for successful construction of a 6th grade diesel desulfurizer”

“Appreciation plaque for Dangjin thermal power plant 5th, 6th”

“Appreciation Plaque for Superior Cooperator Selection in 2005”

“Citation Plaque for Superior Cooperator Selection in 2005”

“Citation Plaque for Superior Cooperator Selection in 2005”

“Appreciation plaque for contributing to success the first ignition of Dangjin thermal power plant 6th”

“Appreciation Plaque for successful accomplishment of the project”

“Appreciation Plaque for Superior Cooperator Selection in 2001”

“Appreciation plaque for construction of Dangjin thermal power plant 3rd, 4th”

“Appreciation plaque for accident-free/timely construction at BDO/THF plant in Ulsan”

“Contribution plaque for eliminating poor construction” - Korea Mech.Const. Contractors Association

“Contribution plaque for heat insulating work of the East Sea thermal power plant”

"Appreciation plaque for heat insulating work of Suwon combined heat & power plant”

“Appreciation plaque for accident-free construction of the Esat Sea thermal power plant”

“Appreciation plaque for successful early completion of Taean thermal power plant 3rd, 4th”

“Performance Plaque for 20 billion record achievement”

“Contribution plaque for achievement of 5 million hours of accident-free”

“Contribution plaque for sextuple growth of accident-free”

“Contribution plaque for quintuple growth of accident-free”

“Contribution plaque for triple growth of accident-free”

“Contribution plaque for contributing to development of equipment work association”

“Contribution plaque for double growth of accident-free”

“Appreciation plaque for completion of N.S.P Project at the East Sea plant kiln 1st”

“Appreciation plaque for accident prevention”

“Appreciation plaque for the 30th founding anniversary”

“Contribution plaque for achievement of the 3rd accident-free”

“Contribution plaque for active participation in accident-free campaign”

“Appreciation plaque for completing construction of HDPE/PP plant”

“Appreciation plaque for completion of kombinat”

“Appreciation plaque for construction of accident-free”

“Appreciation plaque for construction of accident-free”

“Appreciation plaque for completing construction”

“Appreciation plaque for completion of W.S.P Project at Yeongwol plant 5th”

“Appreciation plaque for successful construction of the 2nd plant of Honam Ethylene”

“Appreciation plaque for excellent results of heat insulation construction”

“Appreciation plaque for the 50th founding anniversary of Ssangyong”

“Appreciation plaque for completing a remodeling of Yeongwol plant kiln 3rd”

“Appreciation plaque for successful completion of Terephthal(PTA) plant 2nd”

“Appreciation plaque for achievement of objectives as accident-free”

“Appreciation plaque for contributing to construction of Cheongju plant”

“Appreciation plaque for contributing to construction of Pyeongtaek plant”