Multnomah County, OR

Founded in 1854, Multnomah County is one of 36 counties in the state. The county includes a number of extinct volcanoes in the Boring Lava Field, and is home to a number of Portland-area attractions and venues, including Oregon Museum of Science and Industry, Portland Art Museum, Memorial Coliseum, Oregon Convention Center, Moda Center, Providence Park, Washington Park, Oregon Zoo, International Rose Test Garden, Lan Su Chinese Garden, Portland Japanese Garden, and Pittock Mansion. The company is headquartered in Multnomah County, oregon.