Reference	Title	Category
IEC/ISO JTC 3	Quantum technologies	A
ISO/IEC JTC 1/SC 6	Telecommunications and information exchange between systems	A
ISO/IEC JTC 1/SC 17	Cards and security devices for personal identification	A
ISO/IEC JTC 1/SC 27	Information security, cybersecurity and privacy protection	A
ISO/IEC JTC 1/SC 29	Coding of audio, picture, multimedia and hypermedia information	A
ISO/IEC JTC 1/SC 31	Automatic identification and data capture techniques	A
ISO/IEC JTC 1/SC 35	User interfaces	A
ISO/IEC JTC 1/SC 39	Sustainability, IT and data centres	A
ISO/TC 22/SC 31	Data communication	A
ISO/TC 37	Language and terminology	A
ISO/TC 37/SC 4	Language resource management	A
ISO/TC 43/SC 1	Noise	A
ISO/TC 154	Processes, data elements and documents in commerce, industry and administration	A
ISO/TC 173	Assistive products	A
ISO/TC 204	Intelligent transport systems	A
ISO/IEC JTC 1/SC 7/WG 26	Software testing	C
ISO/IEC JTC 1/SC 27/WG 2	Cryptography and security mechanisms	C
ISO/IEC JTC 1/SC 27/WG 3	Security evaluation, testing and specification	C
ISO/IEC JTC 1/SC 27/WG 4	Security controls and services	C
ISO/IEC JTC 1/SC 31/WG 4	Radio communications	C
ISO/IEC JTC 1/SC 34/WG 4	Office Open XML	C
ISO/TC 68/SC 2/WG 8	Public key infrastructure management for financial services	C
ISO/TC 171/SC 2/WG 8	PDF specification	C

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.