Obayashi Corp Email Format
Civil EngineeringWashington, United States201-500 Employees
Obayashi Corp operates in the civil engineering sector and provides infrastructure-focused services from its Seattle, Washington base. The company is positioned as a mid-sized firm, employing a few hundred people and headquartered at 2454 Occidental Avenue South. This location anchors its activities in the U.S. market while aligning with the broader civil engineering landscape. In April 2026, ShopArc partnered with Obayashi on a Dexus project, with design work by SHoP Architects and BVN and delivery by Built and Obayashi, highlighting collaboration across design and delivery partners and a focus on reducing embodied carbon in high-rise workplaces. The company maintains a web presence at obayashi.co.jp.