| Survey, Audit, and Inspection | Team in charge | 
| Classification survey, During Construction and After Construction(TOC) Survey, Port State Control related services, Service Supplier related service, Adding Cargoes (IMSBC, IBC, CDG, IGC), CAP(Condition Assessment Program) | Survey Team | 
| Class registration and withdrawal of ships, Issuance of classification certificates | Class Register & Record Team | 
| Establishment/Revision of Korean laws and regulations, Reply for Korean Administration's request  relation to Korean statutory survey  | 
													Statutory Service Team | 
| Statutory services on behalf of national administrations, KR-CON (a comprehensive IMO convention and database containing IMO Conventions, Codes, Resolutions and Circulars in English, Korean and Chinese) | Convention & Legislation Service Team | 
| ISM/ISPS audit and MLC inspection, Oil Major Inspection | Statutory System Certification Team | 
| Class Rule | Team in charge | 
| Classification rule development | Hull Rule Development Team Machinery Rule Development Team  | 
												
| Plan Approval | Team in charge | 
| Drawing approval and technical review of hull structures and installations (Tanker, Passenger ship etc.) | Liquid Cargo Ship Team | 
| Drawing approval and technical review of hull structures and installations (Dry cargo ship, Bulk carrier etc.) | Dry Cargo Ship Team | 
| Drawing approval and technical review of stability, loading manual and EEDI/EEXI Technical File Issuance of Tonnage Certificate, Assignment of load lines, Emergency Response Service (ERS)  | 
													Stability & Tonnage Team | 
| Drawing approval and technical review of main engine, etc. | Machinery Team | 
| Drawing approval and technical examination of electricity and automation facilities  (other than power distribution boards, motors, and controllers)  | 
													Electric & Automation Team | 
| Drawing approval and technical review of pipings, firefighting equipments, etc. | Environment & Piping Team | 
| Manufacturing process approval, type approval and design approval for materials and equipment  used on ships and offshore installations  | 
													Marine & Ocean Equipment Team | 
| R&D | Team in charge | 
| Project for Maritime Autonomous Surface ships, etc. | AI Convergence Center | 
| Development & Maintenance of KR technology software such as SeaTrust Software Series | ICT Solution Team | 
| Maritime cyber security & software compliance certification | Cyber Certification Team | 
| Internal IT System Development and Maintenance | DT System Development Team | 
| Survey and certification services of GHG and Greenships | Green Ship Technology Team | 
| Direct Global Strength analysis & Spectral fatigue analysis for commercial and naval ships, etc. | Ship & Offshore Technology Team | 
| Establishment of technical strategy and road-map for R&D Center, etc. | Alternative Fuel Technology Research Team | 
| HAZID (Hazard Idendtification), FSA (Formal Safety Assessment), FERA (Fire/Explosion Risk Anslysis) etc. | System Safety Research Team | 
| Certification | Team in charge | 
| ISO/OHSAS certification | Management System Certification Center | 
| Third party inspection, WPS/WELDER approval, Windfarm inspection, safety diagnosis, Statutory inspection,  Port security device certification  | 
													Diversification Business Team | 
| Wind energy(Rule and guidance for wind power, KAS, etc.) | Wind Energy Business Team | 
| Naval Services | Team in charge | 
| Development,management of internal and external naval business regarding to naval vessels | Naval Business Planning Team | 
| Development and maintenance of the rules and standards for naval vessels | Naval Vessel Technology Team | 
| Development and maintenance of survey management system | Naval Vessel Survey Team | 
| Academy | Team in charge | 
| Development and management of cooperation academy business with Government, Industry-University, other institutions | Academy Center | 
| Others | Team in charge | 
| IACS, ACS and/or organizations of international maritime industry related matters | International Relations Team |