| 2015 | August | Registered as a specialized construction business (ferroconcrete, water supply and drainage facilities) |
| February | Registered as a technical diagnosis specialized institution |
| 2014 | August | Registered a specialized construction license (earthwork, boring/grouting) |
| July | Registered a specialized mine reclamation business license (polluted water quality improvement, soil recovery and remediation, prevention of tailing loss of mineral residue) |
| June | M&A with Samyun E&C |
| 2013 | July | Designated as an excellent environmental industrial company by Ministry of Environment |
| June | Registered as a soil assessment institution |
| February | Green technology certificate No. GT-13-00029 |
| 2012 | October | Established joint venture with Kuwait NCC |
| July | Received a prize for 7th Korea Construction Environment Technology Awards / Commendation by Korea Environmental Industry & Technology Institute Director |
| February | Signed an MOU for cooperation by small, mid and large-sized companies to pioneer the environmental market in the Middle East |
| 2011 | October | Acquired the qualification to participate in bidding for soil remediation outsourcing by Kuwait Oil company (KOC, Category 58) for the first time among SMEs in Korea / Selected as GBD project leader by Ministry of Environment |
| September | Signed a contract as a company for KOSDAQ IPO |
| April | Acquired a green specialized company certificate / Citation by Minister of Environment |
| 2010 | December | Green technology certificate |
| October | Citation by Small and Medium Business Administration Director for venture companies in 2010 |
| January | Completed Seosan Soil Remediation Center (2nd plant), Signed an MOU with Kuwait Univ. |
| 2009 | August | Registered an overseas construction license |
| February | Registered a groundwater remediation license |
| 2008 | November | Signed an NDA for joint research and technology export of biological remediation technology (Company D, Hong Kong) |
| October | Acquired a new environmental technology (Soil cultivation and remediation technology with the mixed use of weathering products and decomposer microorganisms) |
| July | Opened Seoul Office |
| July | Approval for marine pollution materials/drugs (Bio-No.001, Korea Coast Guard) |
| 2007 | October | Completed 1st plant (Yangju Treatment Plant) |
| February | Acquired a new environmental technology (heavy metal polluted soil remediation technology through using pulse power electrokinetic technology) |
| 2006 | December | Received a citation by National Institute of Environmental Research Director |
| October | Registered a water quality preventive facility business license |
| June | Received a citation by Minister of Environment |
| May | Selected as a technological innovative SME (INNO-BIZ) |
| 2005 | September | Registered a soil remediation business license |
| September | Selected as an excellent procurement product by Public Procurement Service for the first time in Korea (oil-degrading microorganism) |
| June | Selected as an excellent environmental company designated by Korea Environment Industry Association (soil sector) |
| March | Certificate for a new domestic technology (NEP, oil degrading microbe) |
| 2004 | June | Registered as a CCK company for the Eighth United States Army |
| June | Acquired ISO 9001/14001 |
| 2001 | February | Certified an R&D Center |
| 2000 | December | Certified as a venture company |
| March | Established Ecophile Co., Ltd. |
