https://www.greateroklahomacity.com/news/2021/03/23/accolade/moody-s-s-p-affirm-okc-s-aaa-bond-rating/
Moody's, S&P affirm OKC's AAA bond rating | Greater Oklahoma City Economic Development
aaa bond rating
https://kingcounty.gov/en/dept/executive/governance-leadership/king-county-executive/news/archive/2009/november/18aaarating
King County once again earns AAA bond rating - King County, Washington
aaa bond ratingking countyonce againearnswashington