Following are a few examples of the major conventions and codes under which CLASS EM can provide certification services. For the details of exact scope of authorization by each government, please contact the Technical Head Office of  CLASS EM​

• International Convention on Load line (Load Line)
• International Convention for the Safety of Life at Sea (SOLAS)
• Convention on the International Regulations for Preventing Collisions at Sea (COLREG)
• International Convention for the Prevention of Pollution from Ships (MARPOL)
• International Convention on Tonnage Measurement of Ships (ITC 1969)
• Code of Safe Practice for Solid Bulk Cargoes (BC Code)
• International Management Code for the Safe Operation of Ships and for Pollution Prevention(ISM Code)
• International Ship and Port facility Security Code (ISPS Code)
• International Grain Code (Grain Code)
• Caribbean Cargo Ship Safety Code (Caribbean Code)
• Crew Accommodations, ILO Convention 92,153
• Cargo Gear, ILO Convention 152
• Minimum Standards in Merchant Ships, ILO Convention 147
• Bulk Chemical Code (BCH Code)
• International Bulk Chemical Code (IBC Code)
• Gas Carrier Code (GC Code)
• International Gas Carrier Code (IGC Code)
• High Speed Craft Code (HSC Code)
• Code of Safety for Dynamically Supported Craft