A step in the right direction As one of the largest construction firms in the Pacific Northwest, Andersen looks to family values and a quality reputation to grow its business, Linda Seid Frembes learns from director of business development Steve Tinney. Andersen Construction of Portland, Oregon, is built on a foundation of quality building practices and long-term client dedication due to the values of its founder, Andy Andersen. Founded in 1950, Andersen Construction has grown into one of the largest construction firms in the Pacific Northwest.