WELCOME to C63^® C63^®is a major United States EMC standards developer focused on many aspects of emission and immunity measurements, instrumentation and resources for test lab competency and quality control. Its standards are highly diversified, as can be seen in this web page: https://www.c63.org/documents/misc/matrix/c63_standards.htm. The uniqueness of the committee is the close link of its EMC standards with the needs of manufacturers and testing organizations, but most importantly the acceptance of its standards by US regulatory organizations such as the Federal Communications Commission, which references several C63^®standards in its Rules. The composition of its Main Committee is shown in its roster. The broad diversity of active members provides extensive representation of the stakeholders served by the efforts of the C63^® committee and the standards it creates. As can be seen, the committee’s breadth of coverage is extensive. This leaves many opportunities to join in its work which is encouraged. For further information, contact the C63® Secretary, Jerry Ramie or the Chairman, Bob DeLisi.