Stone Environmental is a 100% employee-owned environmental science and engineering firm based in Montpelier, Vermont. Since 1992, we have helped clients tackle complex environmental challenges by combining technical expertise with practical, scientific- and data-driven solutions. Our scientists, engineers, planners, modelers, and geospatial data specialists collaborate across disciplines to help clients make informed decisions and move projects forward. From technical analyses and decision-support tools to planning, design, and implementation, we combine scientific rigor with practical problem-solving to deliver solutions that create real-world impact. Our expertise spans environmental assessment and remediation, water resources management, environmental planning and policy, geospatial analysis and data visualization, and agrochemical fate and exposure. Employee ownership shapes how we work. Every member of our team has a direct stake in the quality of our work and the strength of our client relationships. That shared investment produces a culture of accountability, continuity, and genuine commitment to the communities we serve. Our staff stay, our client relationships deepen over time, and when a project gets complicated, the people who show up are owners. That orientation has helped clients turn complex environmental challenges into informed decisions and lasting solutions for more than three decades.
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The Stone Environmental annual revenue was $37.9 million in 2026.
Karen Beecher is the Board Member of Stone Environmental.
54 people are employed at Stone Environmental.
Stone Environmental is based in Montpelier, Vermont.
The NAICS codes for Stone Environmental are [5416, 541620, 54162, 54, 541].
The SIC codes for Stone Environmental are [899, 89].