Stillwater Palladium
Palladium is a precious metal of the platinum group metals with many valuable uses in industry, instrument of investment, and metal for coinage. This site covers detailed history, discovery, research and uses in industry. Palladium ore is mined by Stillwater Mining Company in Montana, refined by Johnson Matthey, and minted into bullion by Northwest Territorial Mint.
http://www.stillwaterpalladium.com/

HEV Halwachs Edelmetallchemie und Verfahrenstechnik
HEV Halwachs Edelmetallchemie und Verfahrenstechnik is the precious metals refining consultant (know-how, technology, engineering & services)
http://www.halwachs.de/

Perfection Plating Incorporated
Chicago Area Precious Metal Plating Company
http://www.perfectionplate.com

LANL: Palladium
History, sources, properties, and uses.
http://periodic.lanl.gov/elements/46.html

It's Elemental: Palladium
The Element Palladium - Basic Physical and Historical Information
http://education.jlab.org/itselemental/ele046.html

ChemicalElements.com: Palladium
Basic information, atomic structure, and isotopes.
http://www.chemicalelements.com/elements/pd.html

Lippincott
Sell Gold for cash. GoldKit is a safe way to sell gold jewelry & sell gold coins online. We've been in business almost 20 years. BBB Member in Good Standing - Sell your scrap gold, gold jewelry, and gold coins online safely with Goldkit, an online gold buyer. Payments for your gold sent in 24 hours.
http://www.goldkit.com

Almanon, Inc.
Almanon, Inc. is a precious metal refining service. They specialize in gold,silver, platinum, and palladium. They also offer free pick up and delivery as well as a wide range of settlement options.
http://www.almanon.com

Wikipedia: Palladium
Properties of the element, including its history, applications, and characteristics.
http://en.wikipedia.org/wiki/Palladium

ChemGlobe: Palladium
The chemical element [Pd] - Palladium - Datasheet
http://partisans.spurious.biz/~pkremer/projects/chemglobe/ptoe/_/46.html