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Who We Are

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Since our inception in 2008, O’Neill Service Group (OSG) has established itself as a leader in providing Quality Control, Environmental and Geotechnical Construction Support Services on large-scale Transportation/Infrastructure and Commercial Projects in the Puget Sound Region.  We are recognized within our industry for expertise in Alternative Delivery Method Contracts (Design-Build, GC/CM, and P3).  Our projects include: major highways, tunnels, bridges, light and heavy rail, airports, marine ports and mixed-use commercial developments.  We maintain a fully certified Materials Testing Laboratory to meet contractual and permitting testing requirements on each project.  Our staff consists of approximately 50 experienced professional engineers, scientists, inspectors and technicians.   A synopsis of our Key Project and Administrative Management Team is presented below.