Leadership & Experience

Leadership & Experience Led by Samuel Obunike, PE, and supported by a dedicated team with more than 100 years of combined experience, OEI is a 100% minority-owned firm with a proven track record across the Pacific Northwest and beyond.

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About us

Founded in 1997 in Bellevue, Washington, O’Bunco Engineering International Inc. (OEI) is a Pacific Northwest-based consortium offering engineering, surveying, construction, architecture, and project management services. With over 25 years of industry experience, OEI combines innovative thinking and advanced technologies to deliver impactful, sustainable infrastructure solutions—serving communities today and for generations to come.

We take pride in our ability to balance visionary concepts with the technical precision necessary to deliver safe, efficient, and scalable projects. This commitment is reflected in our work on landmark initiatives such as the SR 520 Pontoon Construction in Aberdeen and the Port of Tacoma, the Brightwater Treatment Plant (King County’s largest infrastructure project), and the Howard Hanson Dam Safety Improvements.

Led by Samuel Obunike, PE, and supported by a dedicated team with more than 100 years of combined experience, OEI is a 100% minority-owned firm with a proven track record across Washington State and beyond. We have successfully completed complex projects for clients across the corporate, private, institutional, public, and nonprofit sectors. Our portfolio includes infrastructure projects such as tunnels, roads, bridges, transit systems, water and sewer lines, solid waste facilities, universities, healthcare institutions, housing developments, K-12 schools, and sports facilities including Safeco Field.

Our deep understanding of local regulations, design codes, and construction practices allows us to navigate complex projects with precision and compliance. As an engaged member of the Pacific Northwest business community, OEI actively collaborates with both large and small firms, with a focus on shaping the region’s future through sustainable development and infrastructure innovation.

Our Locations

Obunco Engineering operates in Federal Way, Tualatin, and Pasco, providing expert construction surveying services across these key locations.

Federal Way, Washington

33650 6th Ave S, Suite 102, Federal Way, WA

Tualatin, Oregon

8101 SW Nyberg Street, Suite 218 Tualatin, OR

Pasco, Washington

320 North 20th Ave, Pasco, WA

A person wearing a reflective safety vest stands outdoors on grassy terrain. They are holding equipment and seem engaged in some form of land survey work. Nearby, a tripod with a white circular device is set up, casting a shadow on the ground.
A person wearing a reflective safety vest stands outdoors on grassy terrain. They are holding equipment and seem engaged in some form of land survey work. Nearby, a tripod with a white circular device is set up, casting a shadow on the ground.

Gallery

Explore our projects showcasing expertise in construction surveying excellence.

An urban construction site with a large crane and deep excavation. The site is surrounded by buildings and trees, with protective barriers and construction equipment visible.
An urban construction site with a large crane and deep excavation. The site is surrounded by buildings and trees, with protective barriers and construction equipment visible.
A construction site with piles of gravel and sand, surrounded by greenery and palm trees. Concrete foundations and steel rods are visible, with a cement mixer in operation. Workers can be seen in the background carrying materials.
A construction site with piles of gravel and sand, surrounded by greenery and palm trees. Concrete foundations and steel rods are visible, with a cement mixer in operation. Workers can be seen in the background carrying materials.
A construction site in an urban environment features a deep excavation with visible pipes and a fenced-off area. Large cypress trees and a covered monument or sculpture are present in the foreground. In the background, there are historic buildings with ornamental facades and a prominent owl sign atop one of the buildings. The sky is clear and blue, providing a contrast to the earthy tones of the construction site.
A construction site in an urban environment features a deep excavation with visible pipes and a fenced-off area. Large cypress trees and a covered monument or sculpture are present in the foreground. In the background, there are historic buildings with ornamental facades and a prominent owl sign atop one of the buildings. The sky is clear and blue, providing a contrast to the earthy tones of the construction site.

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