Llama & Alpaca Yarn
Providing Alpaca yarn varieties Suri Elegance (a wonderous 100% suri alpaca lace weight yarn) and Classic Lite (a 3-ply, sport weight 100% alpaca yarn), the Alpaca Yarn company is a great resource to consider when purchasing yarn online. They also provide a store locator, if you prefer visiting a store.
For Llama yarn, be sure to visit The Purled Llama Yarn Co. Specializing in hand-painted yarns and designer patterns, their yarns are available in-store only. Visit their site to locate a distributor near you.