Melokia ukuleles are popular in the exploding ukulele scene in Thailand and they're starting to spread to other countries.
They have a number of solid ukuleles in mahogany and acacia (the same family as koa). They're made in China so the prices are very reasonable for solid ukes.
kobguitar7 does a Groove Rider tutorial on a tenor Acacia Melokia.
It might help if you learn Thai before watching this video.