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Groundwater & Environmental Services, Inc. (GES)

HQ: Windsor, CT   |  
GES was founded in 1985 as a privately-held consulting firm providing a total environmental solution: assessment, engineering, remediation, site closure, and liability management services. Our founding partners were determined to create a company that fostered teamwork, creativity, a can-do attitude, and a commitment to providing excellent service. GES has grown by developing opportunities for its employees through geographic expansion, service diversification, and a keen anticipation of our clients’ evolving needs. Our first clients remain clients today, joined by many of the world’s most prominent petroleum and manufacturing companies.

With a consistent vision, GES attracts and retains the best minds and greatest talent with opportunities for creativity and professional development. Our people are some of the highest-skilled, hardest-working employees in the business. The result? Creative approaches, advancements in remediation technology, alternative contracting mechanisms, and efficient service delivery methods that return value to our clients.

Today, with 700 employees serving clients nationwide – and internationally, GES is poised for steady growth and increased leadership in the environmental field.

At GES, our knowledge comes directly from the experience of our in-house experts: engineers, environmental scientists, hydrogeologists, program managers, and technicians. Because we firmly believe knowledge is not valuable unless used, our experts use their knowledge every day to develop and employ some of the most innovative processes and tools in the industry.
Career Opportunities

GES Conference Informs, Engages Clients from Across the US


GES hosted our second Technologies & Trends Conference in Annapolis, Maryland at the end of September. The two-day event, themed “innovation starts here,” was attended by more than 80 clients, regulators, and technology partners. The product of many months of work, the event was planned and coordinated as a joint effort of GES’ Marketing and Engineering/IRSP groups. All of GES’ major clients were represented, both as attendees and speakers.
Forty presentations were given on topics ranging from regulatory changes to issues in site assessment, remediation, liability management, promising green technologies, and trends in UST site management. Between sessions, outdoor technology demos allowed attendees to learn more about the topics discussed. An exhibit room held technical posters and sponsor displays.
The conference goal was to bring together industry experts to share real-life experience and future perspectives. Tony Kull, company owner and CEO, opened the conference, welcoming guests and highlighting the unique opportunity for sharing among peers. Presentations throughout stressed lessons learned, new challenges, and promising developments.
Post-conference survey results provided very positive feedback with 100 percent of respondents noting that they would recommend this conference to others. One commented, “GES puts together a great opportunity to visit with knowledgeable people, and brings the industry together to experience up-and-coming technologies.”

HypeAir Named Green Technology of the Year


Belladaro Realty, a national brownfield real estate development company, recently awarded GES’ HypeAir technology the Green Remediation Technology of the Year Award! The award recognizes the best "green" soil and groundwater remediation technology. Our patented technology uses naturally occurring compounds such as oxygen, ozone, hydrogen peroxide, and air to rapidly break down contaminants into harmless by-products, such as water and carbon dioxide. The use of HypeAir involves less time and energy than competitive solutions and ultimately reduces greenhouse gas emissions. We have used the HypeAir process at over 300 sites in the US since 2003!

GES Launches Environmental Management System Program


In an effort to become more environmentally sustainable, GES recently launched a grassroots environmental management system that allows everyone to participate! To help offices get started, a LiveGreen toolkit was designed along with a podcast that includes helpful tips for green leaders.
“I’m very excited about offering this new program to the offices,” said Ed Van Woudenberg. “The GES EMS offers us all a chance to work together to make a positive impact on our environment.”
Our Michigan office recently created a green team and successfully piloted an EMS for their office. The results? Savings in operational costs and waste! So, the toolkit we created implements key successes from their pilot test.

GES Ranks #19 on Top 20 All-Environmental Firms


Engineering News Record (ENR) recently published its list ranking the Top 200 Environmental Firms in all environmental fields. GES ranked number 19 on the Top 20 All-Environmental Firms list and number 65 overall, moving up from number 67 last year. This is GES' second year on the Top 20 list. Companies are ranked on reported gross revenue in 2007 for environmental services and products provided to domestic and international markets.

EBJ Recognizes GES



This week we recognize Groundwater & Environmental Services Inc. (GES; Neptune, NJ), winner of a 2007 EBJ Business Achievement Award for the continued successful deployment of its patented HypeAir chemical oxidation technology. In broad use by Fortune 100 companies, mobile HypeAir units have been used at more than 150 sites throughout the United States since 2004 at an average cost below $100,000 per project. As of the end of 2007, GES had achieved site closure or attainment monitoring at more than 30% of these sites. The HypeAir technology involves the injection of naturally occurring compounds such as oxygen, ozone, hydrogen peroxide, and air to rapidly break down contaminants into harmless by-products, such as water and carbon dioxide. According to GES, the use of HypeAir involves less time and energy than competitive solutions and thus reduces greenhouse gas emissions.


The GES mission is to provide superior, effective, and responsive environmental services to our clients and a safe workplace that fosters professional development for our employees.

For 20 years, we have stayed true to our core belief: we cannot succeed without loyal clients and dedicated, talented employees. It will be our purpose to uphold that belief for the next 20 years and beyond.

GES provides a full range of environmental services—from assessment through closure—for clients who face a wide range of soil and groundwater contamination problems. Our diverse client base, large project volume, and broad geographic coverage give us extensive experience with a wide range of contaminants, media, and regulatory environments.


GES has a reputation for expertly evaluating site conditions, assessing risk and liability, and expediting the route to closure. We help our clients make informed business decisions by identifying factors that can impact property value or restrict property use.


GES develops the most cost-efficient and aggressive approach to site remediation through proper characterization, feasibility testing, life cycle cost analysis, and efficient system design and engineering. We integrate innovative technologies with traditional methods and passive alternatives to provide the most effective approach within each regulatory arena.


We create value with consulting services centered on an understanding of each client’s business and environmental philosophy. Consulting services are designed to meet our clients’ needs for safety, quality, integrity, technical excellence, regulatory compliance, and financial responsibility.

Thank you for your interest in GES.

If you would like to submit your resume to us, please apply online.

To find a GES location near you, please visit our Locations page at

For all other inquiries, please visit and complete the online contact request form.