NIST, the National Institute of Science and Technology is a non-regulatory federal agency within the United States Commerce Department's Technology Administration.
Its mission is "to develop and promote measurement, standards, and technology to enhance productivity, facilitate trade, and improve the quality of life."
It is a well established agency, in fact one of the oldest in the world having been founded in 1901.
NIST mailing list
ISO 17799 Guide
risk treatment plan