CRESTLINE CONSTRUCTION COMPANY, L.L.C.

CRESTLINE CONSTRUCTION COMPANY, L.L.C. specializes in the design and construction of critical civil infrastructure, with proven expertise in water and sewer line installation and highway, street, and bridge systems. The company delivers turnkey solutions for underground utility networks, including pipe furnishing, appurtenance integration, and alignment with hydraulic and structural standards. Their work on historic transportation corridors demonstrates a nuanced understanding of heritage preservation, environmental compliance, and engineered grading within sensitive landscapes. Technical capabilities include trenchless installation methods, corrosion-resistant piping systems, and precision earthwork for elevated roadway structures, ensuring durability in challenging terrain and weather conditions. The contractor has delivered projects for the Department of Defense and the Department of Transportation, indicating a strong alignment with federal infrastructure priorities. For the DoD, they have executed essential utility upgrades involving potable water and sanitary sewer systems supporting military installations. For the DOT, they have contributed to the rehabilitation of nationally significant historic routes, applying specialized techniques to restore and modernize crossings while preserving cultural integrity. These engagements suggest a pattern of working on mission-critical, publicly funded projects requiring strict adherence to federal construction codes and environmental regulations. Their primary industry focus lies in NAICS 237110 and 237310, positioning them as a niche civil contractor serving the transportation and water infrastructure sectors. They operate at the intersection of public works and historic preservation, with a technical emphasis on underground utilities and roadway structures. This specialization allows them to serve as a trusted contractor for agencies requiring both functional resilience and regulatory compliance in complex right-of-way environments. As a limited liability company based in The Dalles, Oregon, CRESTLINE CONSTRUCTION COMPANY, L.L.C. operates as a small, regionally rooted firm with deep familiarity with Pacific Northwest infrastructure demands. While currently holding no federal certifications, their project execution reflects a commitment to quality control, safety protocols, and timely delivery in public sector environments.