Investing in Silver
Pan American Silver (NASDAQ: PAAS) - http://www.panamericansilver.com/ - Silver mining, exploration, extraction, processing, refining, and reclamation in Peru, Mexico and Bolivia.
BHP Billiton (NYSE: BHP) - Their Cannington mine is the world's largest and lowest cost single mine producer of silver and lead.
Rio Tinto - http://www.riotinto.com/
ESPI High Purity Metals - http://www.espimetals.com/metals/catsilver.htm
A large list of gold and silver countries can be found on Google Finance