sau.or.kr
sau.co
sau.io
sau.us
sau.de
sau.at
sau.nz
sau.be
sau.cl
sau.se
sau.si
sau.ею
sau.ad
sau.ua
sau.gw
sau.рф
sau.co.us

co.us

Extension: .us

.us is the country-code TLD for United States.

Learn more about .us at IANA or Wikipedia, or view all top-level domains.