- Greeting  - Vision  - History  - Organization  - Location  - Projects for SOC  - Development  - Consulting service  - Business result  - Business partner  - SOC NEWS   HOME > Company Introduction > History Dec 2002 Established RTBKOREA May 2005 Established Korea Infra DeveloPER Sep 2006 Increased capital to 3 billion 2005~2014 Participated as a sponsoring company of various private investment projects (related articles) Pushing ahead with the nation¡¯s first monorail and various business - Participated in private investment project for the monorail project and road field in Gangnam - Participated in private investment project for the monorail project and road field in Gwangmyeong - Participated in private investment project for the monorail project and road field in Yeouido - Participated in private investment project for the monorail project and road field in Gwanak - Participated in private investment project for the monorail project and road field in Ilsan - Participated in private investment project for the monorail project and road field in Seoraksan Mountain Concession Road sector participation - Private investment project for the expressway between Incheon and Gimpo - Private investment project for the expressway between second Yeongdong - Private investment project for the expressway between Seoul and Munsan - Private investment project for the expressway between Seoul and Pocheon - Private investment project for the expressway between Seoul and Gwangmyeong - Private investment project for the expressway between Hwado and Yangpyeong (related article) - Private investment project for the expressway between Hakwyi and Gogi (related article) - Proposal of private investment project for the second Gyeongbu Expressway(Seoul~Sejong) (related article) Participation in various BTL projects, such as university dormitory and schools, etc. - Maintenance BTL project of sewer pipes in Nonsan - BTL project, such as making the reservoir in Dachi a park - Living hall BTL project of Kyungpook National University and Kumoh National University - 12 projects, such as 5 school BTL projects, including Hosan Elementary School Participation in private investment projects of railway field - Private investment project for Sillim Line of light rail transit (related article) - Railroad construction BTL project for Jeolla Line between Iksan and Silli - Railroad construction BTL project for Gyeongjeon Line between Haman and Jinju - Private investment project for extension Sinbundang Line between Jeongja and Kwanggyo - Proposal private investment project (related article) for Metropolitan Express Railroad between Ilsan and Dongtan (related article) 2009~present: international project on process in DR Congo, Africa, Sri Lanka, Indonesia, Columbia, etc.