TPM Member Since November 2013 • PETRA, Incorporated is a recognized leader in Pre-Construction, General Contracting, Construction Management, Design-Build, and Concrete Services. Founded in 1994, we have over 24 years of industry experience and comprehensive market knowledge. We offer our construction expertise in the Northwest and Rocky Mountain regions. Over 80 professionals make up the PETRA team and each one takes pride in utilizing their proven industry-specific expertise. Every employee is committed to bringing added-value and excellence to each project.