About Fuss & O’Neill

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

Fort Adams Site Planning, Engineering, Utility Infrastructure, Green Stormwater Infrastructure

One Firm, Comprehensive Solutions

For more than a century, our clients have trusted us to solve their most complex challenges. By offering a full suite of civil and environmental services, our licensed and certified professionals can design comprehensive solutions. We operate as a cohesive team; a team made of individuals dedicated to safety, science-based decision making, and providing our clients with fiscally-responsible results.

Our clients benefit from our holistic problem solving. We see the project both as a whole and as a series of steps. We can be involved in all phases of the project, and our multidisciplinary lens allows us to see challenges and resolutions from all perspectives – solving small matters before they become schedule-impacting problems.

Every project is unique and so are our designs. Our experience guides us; our ingenuity distinguishes us.

Explore All Projects

Corporate Priorities

Our work is a reflection of our employees’ sincerity and our company ethos. We seek new perspectives because diverse experiences and ideas drive innovation and creativity. We have long been stewards of our environment because it is simply the right thing to do. We are community partners focusing on STEAM-related volunteerism to inspire the next generation of changemakers.

Everything we do is founded on a common commitment to a safety-first culture and continuous improvement.

IDEA Our Impact Sustainability Safety
Fuss & O'Neill environmental engineer performing water monitoring

Our Promise

Everyone should have equal and equitable access to safe, healthy, and resilient systems, infrastructure, buildings, natural resources, and spaces. As a company, we work with each other and with our clients to make science-based decisions and implement positive changes. We empower our staff to be leaders and critical thinkers, which leads to innovative project solutions.

Explore Our Careers
Diane Mas, PhD, REHS/RS, CC-P, Chief Resilience and Sustainability Officer
My work supports communities, businesses, and organizations adapt to, and mitigate the impacts of, climate change and promote sustainable development using sound science, forward-thinking planning, and innovative engineering.
Diane Mas, PhD, REHS/RS, CC-P
Vice President, Chief Resilience and Sustainability Officer

Employee Committees

We encourage our employees to pursue their interests. Our employee-led internal committees stem from employee suggestions. These groups create positive change both within the company and in our communities.

Employee Committees