Useful Llama and Alpaca Items : Just about any alpaca item you could possibly need! www.useful-items.com
Cria Coats by Cabin "Cria-tions" and Soggy Bottom Ranch : Cria coats, and coats for adult alpacas too - great for those of us with older animals whose fiber doesn't grow very fast : http://www.soggybottomranchalpacas.com/
Learning how to insert microchips is a great money saver. The problem is that there are many different types of microchips, but not many readers that can recognise them all. This reader was posted on one of the alpaca forums and is affordable and reads every type of chip at there at the moment.http://www.pettravelstore.com/store-pet-friendly-scanner1.html
This site is way more than products, but does have camelid friendly halters and training aids. Marty McGee Bennett uses the TTouch approach made famous with horses by Linda Tellington Jones in the 1970's. Marty's book was one of the first purchases I made, even before my alpacas came home. It is an essestial training and handling tool. Her web site has many http://www.camelidynamics.com/index.html