U.S. Borax
200 E. Randolph, Suite 7100
Chicago, IL  60601
P: (773) 270-6500

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 northeast of Los Angeles. We pioneer the elements of modern living, including:

  • Minerals that make a difference: Consistent product quality secured by ISO 9000:2001 registration of its integrated quality management systems
  • People who make a difference: Experts in borate chemistry, technical support, and customer service
  • Solutions that make a difference: Strategic inventory placement and long-term contracts with shippers to ensure supply reliability.