Concrete contractor in Portland Oregon and Vancouver Washington Construction Experience Eternal Rock Construction Inc. Has been doing business in the northwest for over 20 years, with a combined experience of 40 years. In that time, we have become one of the top installers in the region. Performance Ratings When you work with Eternal Rock Construction Inc, you know you're working with experienced professionals who specialize in high-quality projects. Discuss your next project with our knowledgeable experts and let us provide solutions that... read full review »