Referencia	Título	Categoría
ISO/TC 28	Petroleum and related products, fuels and lubricants from natural or synthetic sources	A
ISO/TC 261	Additive manufacturing	A
ISO/TC 20/SC 16/WG 3	Operations and procedures	C
ISO/TC 20/SC 16/WG 4	Aerospace Traffic Management and Utilization	C
ISO/TC 20/SC 16/WG 5	Testing and evaluation	C

Notas

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.