Reference	Title	Category
ISO/IEC JTC 1/SC 41	Internet of things and digital twin	A
ISO/TC 8	Ships and marine technology	A
ISO/TC 8/SC 1	Maritime safety	A
ISO/TC 8/SC 2	Marine environment protection	A
ISO/TC 8/SC 3	Piping and machinery	A
ISO/TC 8/SC 4	Outfitting and deck machinery	A
ISO/TC 8/SC 6	Navigation and ship operations	A
ISO/TC 8/SC 8	Ship design	A
ISO/TC 8/SC 11	Intermodal and Short Sea Shipping	A
ISO/TC 8/SC 12	Ships and marine technology - Large yachts	A
ISO/TC 17/SC 3	Steels for structural purposes	A
ISO/TC 28/SC 4	Classifications and specifications	A
ISO/TC 43	Acoustics	A
ISO/TC 43/SC 3	Underwater acoustics	A
ISO/TC 67/SC 7	Offshore structures	A
ISO/TC 70	Internal combustion engines	A
ISO/TC 70/SC 8	Exhaust gas emission measurement	A
ISO/TC 104	Freight containers	A
ISO/TC 104/SC 1	General purpose containers	A
ISO/TC 104/SC 2	Specific purpose containers	A
ISO/TC 104/SC 4	Identification and communication	A
ISO/TC 176	Quality management and quality assurance	A
ISO/TC 184	Automation systems and integration	A
ISO/TC 184/SC 4	Industrial data	A

Notes

Liaisons A: Organizations that make an effective contribution to the work of the technical committee or subcommittee for questions dealt with by this technical committee or subcommittee. 
Liaisons B: Organizations that have indicated a wish to be kept informed of the work of the technical committee or subcommittee. 
Liaisons C: Organizations that make a technical contribution to and participate actively in the work of a working group.