OUR PARTNERS

Fuss & O’Neill is a multidisciplinary engineering firm that provides client-specific, forward-thinking, and holistic solutions. Since 1924, they have made it their mission to improve the built and natural environments in response to their clients’ evolving needs.

Today, Fuss & O’Neill supports our Trilon family by offering a range of engineering services: site/civil engineering, resilience/sustainability, construction, environmental and facility engineering, landscape architecture, structural engineering, transportation/traffic engineering, and water/wastewater engineering. Their solutions are grounded in safety and science-based decision making that provide their clients with fiscally-responsible results.

Fuss & O’Neill designs solutions that meet the needs of the present while working towards an environmentally, socially, and economically sustainable future, as they believe that this creates shared long-term value for their employees, their clients, and their communities. This approach aligns with our mission at Trilon to advance infrastructure that supports sustainability, resiliency, social equity, and constructability.