Portland Business Alliance The Alliance is one of Oregon’s leading business organizations. We have more than 1800 members representing more than 325000 business people in Multnomah Washington Clackamas and Yamhill counties in Oregon and Clark County in Washington. Services SHARE LISTING Share On Facebook Share On X Share On Messenger Share On Reddit Share On Pinterest Copy URL 200 SW Market St Ste 150 Portland, OR 97201 Website
