Tulsa. Here should be the first two items on this link, don't bother going through all the rest, nothing there. <A HREF="http://www.google.com/search?q=%22morgan-phillips%22+larson&hl=en&lr=&start=10&sa=N" target="_blank">http://www.google.com/search?q=%22morgan-phillips%22+larson&hl=en&lr=&start=10&sa=N</A> ALso here's Ok corp search page. https://www.sooneraccess.state.ok.us/corp_inquiry/corp_inquiry-find.asp?:Norder_item_type_id=24&:Spagefrom=BEsearch