- Representing the finest quality and the highest level of service in every aspect of our business. Our group of craftsmen has been making heirloom quality Koa furniture for over 35 years. Each piece comes with a lifetime guarantee. We also represent the work of over 300 of Hawaii's finest artists and craftsmen, offering Koa bowls, boxes, home accessories, ceramics and aloha wear - all made in ...www.martinandmacarthur.com