We Partner with Our Clients to Find Solutions that Fit Their Needs
Our team of interdisciplinary, highly trained technical specialists work with clients to solve issues and design custom solutions. We listen, we act, and we deliver.
Science + Software
With extensive experience in the development, management, and enhancement of software tools and decision support systems, Sonoma Technology creates customized applications for clients across the environmental spectrum. With the science behind a project driving the software development, we create truly customized software that fits the scientific goals of each project.
AirNow Global System for Air Quality Information
For over 15 years, STI has helped the EPA in the development, operation, and enhancement of the AirNow system that provides the public and application developers with easy access to national air quality information online.
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Kansas Prescribed Burn Smoke Modeling System
STI developed a prescribed burn smoke modeling system that provides daily smoke predictions and county-by-county burn recommendations to help the Kansas DHE mitigate air quality impacts throughout the state.
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Bridging Government and Industry
Our broad experience helps us find objective solutions that meet the needs of our diverse clients. Our dynamic team provides dedicated support, innovative solutions, and superior results for a wide range of government, private industry, international, tribal, and university clients.
STI Helps EPA Reduce Pollution Exposure for Students
STI and EPA scientists developed best practices for reducing student exposure to traffic-related air pollution at schools.
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Fenceline Air Quality Monitoring
STI worked with a large oil refinery to design and perform a pilot study of fenceline monitoring for fugitive emissions to meet newly established EPA rules.
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Small Company, Global Reach
We partner with agencies and organizations across the globe to develop environmental solutions that meet their specific needs. Our scientists stay up-to-date on global environmental challenges to offer capacity building and multi-language technical support services across all geographic boundaries.

Join Us and Solve Real-World Problems
Our Most Valuable Resource Is Our Team.
Selected by the North Bay Business Journal as one of the Best Places to Work for the 15th consecutive year, we offer an opportunity to address intellectually challenging environmental issues. We welcome resumes from qualified individuals who have a strong interest in providing innovative environmental solutions to a wide range of clients.
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The STI Charter
We provide high-quality, innovative, science-based solutions for environmental challenges worldwide in an ethical and objective manner to facilitate effective environmental management.
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Career Opportunities
We're always looking for great people! We offer a professional but casual work environment, competitive benefits, and technical training opportunities.
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