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Americas Office Address

Rio Tinto Borates
200 E. Randolph
Suite 7100
Chicago, IL 60601 USA
+1 773 270-6500


Asia-Pacific Address

Rio Tinto
12 Marina Boulevard
#20-1, Marina Bay Financial Centre, Tower 3
+65 6679 9000

EIMEA Address

Rio Tinto Borates
Mergenthalerallee 77
65760 Eschborn
+49 6196 96000

Borax Visitor Center

14486 Borax Road
Boron, CA 93516 USA
+1 760 762-7588
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U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 500 customers with more than 1,700 delivery locations globally. We supply 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles east of Los Angeles.  Learn more about Rio Tinto

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