There are two main standards, the UL (USA's "Underwriter's Laboratory"), and CE (European Union's "Conformité Européenne"). The CE will let you sell in the US, Canada, Australia, and the EU (I'm not sure about the Middle East though). The CE is harder to get than the UL, since it includes stand...
This is more of a subscription rather than a membership. In you mind, what are the benefits of "membership" that differentiate it from a simple subscription?