Mission & History

Our Past

Stone Environmental was founded in Columbus, Ohio in 1974 as Sparham & Sparham Consultants. In October 1999 we became known as Stone Environmental and in December 1999, the firm acquired certain assets of Shaw Weiss &De Naples Engineers and Environmental Scientists of Dayton, Ohio, which was established in 1968. In 2014 Stone Environmental became 100% woman-owned and is certified as a Disadvantaged Business Enterprise (DBE).

Our Mission

The firm is able to offer prompt and professional assistance to clients and provide quality, cost-effective planning and design services primarily in environmental and civil engineering. The firm has served many municipalities, county and regional authorities, as well as industry, commercial developers and architects.











Stone Environmental is a Westerville, Ohio based and Ohio licensed engineering firm offering a full range of engineering and environmental services to institutions, government, business, and industry throughout Ohio and the Midwest. The firm, founded in 1999, traces its roots back to 1974. Our reputation is built on responsiveness to the needs of individual clients and clear communication with clients, review agencies, and regulators.