ENVIRONMENT
In pursuit of a clean and clear environment, we have continuously challenged ourselves and developed technologies,
growing into a specialized company in the environmental business sector based on customer trust and experience.
Jicheon Tunnel
Management service for 13 facilities, including National Route 23 Jicheon Tunnel
Mupung Tunnel
Operation and management service for National Route 30 Mupung Tunnel
Bongan Tunnel
Management service for 12 tunnels, including National Route 6 Bongan Tunnel
Wangsan Tunnel
Management service for 3 tunnels, including National Route 35 Gangneung Wangsan Tunnel
Baekyang Tunnel
Outsourced management and operation of Baekyang Tunnel
Sansung Tunnel
Busan Sansung Tunnel
Private Investment Project
Palyong Tunnel
Outsourced management and operation of Palyong Tunnel Private Investment Project
Sujungsan Tunnel
Sujungsan Tunnel operation and facility management service
CLUBD BOEUN(18H)
CLUBD GEUMGANG(18H)
CLUBD GEOCHANG(27H)
KOREA CC(27H)
SALTBAY CC(18H)
NAMCHON CC(18H)
LASSA CC(27H)
SUWON CC(36H)
CHEONGTONG CC(18H)
Incheon Bridge
Toll collection and overweight vehicle monitoring service for Incheon Bridge Expressway
Ulsan Bridge
Integrated operation and management service for Ulsan Bridge and its access roads
Pocheon~Hwado Expressway
Integrated operation and management of Pocheon~Hwado Expressway
Daegu~Busan Expressway
Traffic management and road patrol service for Daegu~Busan Expressway
Gwangju~Wonju Expressway
Toll collection service for Gwangju~Wonju (Second Yeongdong) Expressway
Bibong~Maesong Expressway
Integrated operation and management service for Bibong~Maesong Urban Expressway
Incheon~Gimpo Expressway
Management and operation of Incheon~Gimpo Expressway Private Investment Project
Pyeongtaek~Siheung Expressway
Management and operation of Pyeongtaek~Siheung Expressway Private Investment Facility Project
Yongin~Seoul Expressway
Management and operation of Yongin~Seoul Expressway Private Investment Facility Project
Cheonan~Nonsan Expressway
Management and operation of Cheonan~Nonsan Expressway Private Investment Facility Project
Gyeonggi~Western Expressway
Western Expressway (Seosuwon~Osan~Pyeongtaek, Suwon~Gwangmyeong) Private Investment Project
70MW D City Salt-Affected Farmland Solar Power Development Project
Renewable Energy
400MW Incheon Ongjin Offshore Wind Power Project
Renewable Energy
YIDO ECO INCHEON
Industrial Waste Management
YIDO ECO OASAN
Industrial Waste Incineration
YIDO ECO JEONJU
Industrial Waste Incineration
YIDO ECO JEJU
Asphalt Concrete (Ascon) Manufacturing/Sales, Industrial Waste Management, General/Specialized Construction
YIDO ECO PYOSEON
Industrial Waste Management, Oil-based Product Sales, Construction Equipment Rental, Specialized Construction
YIDO ECO HALLIM
Ready-mix Concrete Manufacturing/Sales, Asphalt Concrete (Ascon) Manufacturing/Sales, Asphalt Wholesale
YIDO ECO GOKSEONG
Industrial Waste Management
YIDO ECO CHEONGJU
Industrial Waste Management
YIDO ECO JINCHEON
Industrial Waste Landfill
ULSAN STEAM PIPELINE
Industrial Waste Landfill
YIDO ECO BLUE INCHEON
Wastewater Treatment Services
OO Sewage Treatment BTO-a
OO Sewage Treatment Plant
CLUBD BOEUN
Chungcheongbuk-do, Boeun-gun, Boeun-eup, Jangsokjungcho-ro 386
CLUBD GEUMGANG
Jeollabuk-do, Iksan-si, Ungpo-myeon, Gangbyeon-ro 130
CLUBD GEOCHANG
Gyeongsangnam-do, Geochang-gun, Sinwon-myeon, Gamaksan-ro 398
CLUBD DAEGU MARRIOTT
Daegu, Dong-gu, Dongburo 26-gil 6, Daegu Marriott Hotel
CLUBD OASIS
Busan, Haeundae-gu, Dalmaji-gil 30, LCT, 3rd, 4th, 5th, 6th floors
CLUBD CHEONGDAM
Seoul, Gangnam-gu, Dosan-daero 439 (Sobong Building), B1-3F
YIDO VALUE DONGHAE
Gangwon-do, Donghae-si, Gongdan 1-ro 177