Reference	Title	Category
ISO/TC 83	Sports and other recreational facilities and equipment	A
ISO/TC 137	Footwear sizing designations and marking systems	A
ISO/TC 149/SC 1	Cycles and major sub-assemblies	A
ISO/TC 207	Environmental management	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.