Currently there aren't any official associates, sorry.
However, you may be interested in these sellers (found on battle.net/wow/forums).
EU Realms:
Alliance:
No known sellers. Contact me if you sell and want to be listed here.
Horde:
US Realms:
Alliance:
Argent Dawn - Sold by Awesomatic
Dalaran - Sold by Bubbleoncd
Dawnbringer - Sold by Forgetmenot
Doomhammer - Sold by Derraedia
Drenden - Sold by Namssob
Vek'nilash - Sold by Spitzenpark
Dalaran - Sold by Bubbleoncd
Dawnbringer - Sold by Forgetmenot
Doomhammer - Sold by Derraedia
Drenden - Sold by Namssob
Vek'nilash - Sold by Spitzenpark
Horde:
Barthilas - Sold by Menacemuff
Borean Tundra - Sold by Válens
Dunemaul - Sold by Icé
Kil'Jaeden - Sold by Teknîque
Madoran - Sold by Kitseller
Mal'Ganis - Sold by Azarien
Sargeros - Sold by Zazooper
Silvermoon - Sold by Fortitude
Borean Tundra - Sold by Válens
Dunemaul - Sold by Icé
Kil'Jaeden - Sold by Teknîque
Madoran - Sold by Kitseller
Mal'Ganis - Sold by Azarien
Sargeros - Sold by Zazooper
Silvermoon - Sold by Fortitude