This is in alphabetical order. If I have a link for it I will include it.
American Business group of Riyadh https://www.abgrksa.com
American Community of Riyadh (defunct)
Canadian Community of Riyadh www.ccor-ksa.com
Kingdom Compound Coffee Morning https://www.expat.com/forum/viewtopic.php?id=48638
Riyadh Expats platform https://www.facebook.com/RiyadhExpatsPlatform/?fref=ts
Riyadh Group of British Business http://www.rgbb.org
Wandering Expats https://www.facebook.com/pages/Wanderin … 1674082658
Weekend Meeting https://www.expat.com/forum/viewtopic.php?id=273277
Women's Skills Bureau https://www.facebook.com/WSBRiyadh/?fref=ts
And here is where you will find a list of embassies. https://en.wikipedia.org/wiki/List_of_d … udi_Arabia