Solvay Bario e Derivati - Massa
Solvay Barium Strontium is the leader for Barium Carbonate, Strontium Carbonate, High purity BaCO3 and SrCO3. First choice for Barium Carbonate needs
http://www.barioderivati.com

TQ Chemicals Inc.
Supplier of barium hydroxide monohydrate and octahydrate, high purity barium hydroxide, barium chloride, barium carbonate and other chemicals.
http://www.tqchem.com

Chongqing Chuanyu Mineral and Mining Co., Ltd.
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http://www.chuanyumining.com

Solvay Barium Strontium
Solvay Barium Strontium is the leader for Barium Carbonate, Strontium Carbonate, High purity BaCO3 and SrCO3. First choice for Barium Carbonate needs
http://www.solvay-bariumstrontium.com/

Yuci Jintai Barium Salt Co., Ltd.
Producer of barium salts in China. Products include hydroxides in various grades, metaborate, carbonate, nitrate, and chloride.
http://www.barium-salt.com

Barium AB
Swedish company that develops, sells, and implements the information and management system Barium Platform. [Site in Swedish and English]
http://www.barium.se

LANL: Barium
History, sources, properties, and uses.
http://periodic.lanl.gov/elements/56.html

It's Elemental: Barium
The Element Barium - Basic Physical and Historical Information
http://education.jlab.org/itselemental/ele056.html

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

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