A Better Way to Grow

The 2019 merger of STC and Intergulf Corporation created CIRCON, a waste recycling and management company providing innovative technologies and services that turn problematic material into valuable products or fuels. We stand apart by providing personalized service powered by a close-knit team with a combined century’s worth of problem-solving experience.

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Sumter Transport Company is founded in Sumter, South Carolina, providing cost- and labor-saving approaches to waste management and transportation.
Intergulf Fuels is formed in Channelview, Texas, blending and selling bunker fuels in shore tanks in a public terminal.
STC develops the first in its family of patents with the Roberoller agitated tanker system, which keeps heavy sludges in suspension during transport, preventing build-up of tanker heels.
Intergulf Fuels partners with ChemSep, Inc., a leader in waste recycling and disposal.
ChemSep, Inc. constructs the Bayport processing plant in Pasadena, Texas, expanding its innovative recycling services to wastewater, tank bottoms, and recoverable petroleum products.
After a long partnership, Intergulf Fuels and ChemSep, Inc. merge to form Intergulf Corporation.
STC partners with KilnDirect to provide customers with access to dedicated facilities where waste is repurposed to valuable fuel products.
STC continues to pioneer innovative technologies, creating a better way to manage and transport waste.
Intergulf constructs an atmospheric distillation column in La Porte, Texas, designed to refine mixed hydrocarbons for future use in petroleum products.
An evaporative distillation unit and oil recovery unit are installed at Intergulf’s Hwy 225 facility, expanding its ability not only to recover but also to repurpose waste as part of blended fuels.
By acquiring the Pasadena, Texas-based waste management business Lonestar Ecology, Intergulf boosts its ability to handle hazardous waste and expands solutions available to the Gulf Coast market.
The acquisition of Beaver Oil, which provides waste management services in the Midwest, expands Intergulf’s geographic reach to include the nation’s second largest refining market.

Intergulf and STC come together to form CIRCON Environmental, a forward-thinking leader in refinery tank cleaning, transportation, and waste management.
CIRCON adds Bealine Environmental, further expanding its wastewater treatment capacity in the Gulf Coast market. CIRCON now operates 3 centralized waste treatment facilities in the Gulf Coast.

CIRCON adds Water Integrated Systems (WITS), further expanding its wastewater treatment capacity in the Midwest market. CIRCON now operates 4 centralized waste treatment facilities in the Midwest.

A merger with industry-leading operators Chemtron, Vexor, and KilnDirect further expands CIRCON’s market reach, processing capabilities, and capacity to provide sustainable alternatives to waste management while creating value-generating waste-derived fuels.

A Better Way to Lead

Get to know the industry veterans and forward-thinking executives leading the CIRCON family.



Mr. Iezzi is a veteran business leader who’s led a series of companies to success over the past two decades. With humor and passion, he brings a unique capacity to create and motivate teams that share a single value proposition. CEO of CIRCON Environmental since its founding, Mr. Iezzi draws on his experience in multiple global industries to devise timely, environmentally wise strategies with a commitment to measurable sustainability. His hands-on leadership has set the direction for CIRCON from company culture to customer service, promising continued growth in value while producing unique solutions that satisfy employees, customers, and shareholders.



Mr. Brunetti has more than 20 years of experience in finance, accounting, and operations, and has served as CFO of several private equity-sponsored companies. He’s a results-focused leader with a proven record of building strong teams, communicating effectively with all levels of an organization, and delivering bottom-line value.


VP of Sales - Waste and Fuel Services

Mr. Burkhardt has spent more than 25 years working in the waste, recycling, processing, and industrial services industries. He is currently serving as the VP of Client Services and has previously held positions as VP of Sales, Director of Sales, and Business Unit Manager for companies in the same industry.



Environmental Health and
Safety Manager

Mr. Hartley has more than 25 years of experience in the waste disposal, recycling, transportation, and logistics industries. He’s held positions in operations, transportation, warehousing, sales, and management, and throughout the course of the last decade, he’s focused his expertise on the management of health, safety, and environmental affairs.



Sr. VP and Chief Sustainability Marketing Officer

Mr. Higginbotham has more than 30 years of experience in environmental services, focused on the refinery and petrochemical industries. As the Sr. VP of Business Development, he manages the corporate-level relationships for all of our refinery and petrochemical customers and leads our sustainability efforts. He serves as a nonvoting board member at American Fuel and Petrochemical Manufacturers (AFPM) and serves on their Environmental and Sustainability Committees.


VP of Sales & Business Development
in the Midwest

Mr. Khan is a 30-year veteran in the industrial waste arena. He has a proven track record of implementing growth sales strategies, identifying clients and increasing sales volume. Before joining CIRCON, he held senior positions in emergency spill response, TSDF part B management, Super Fund Region V clean-ups, industrial maintenance, and sales.


Director of Business Development

Mrs. Mason has a distinguished 20-year career in national sales and marketing, with the last 10 years focused on industrial waste disposal and sustainability. In her previous experience at companies including Republic Services and Stericycle she held national account roles working with a multitude of industries.


Chief Operating Officer

Between his past tenure at Waste Management and his time at Intergulf (now CIRCON Environmental), Mr. Sansom has more than two decades of experience in the solid waste industry. Since joining Intergulf nearly 16 years ago, he has held roles in sales, accounting, and operations.


Sr. VP, Energy Recovery Group

Throughout his 32-year career, Mr. Sears has developed a keen expertise that helps drive new business and innovation. In his position at CIRCON, he is responsible for leading and growing the Energy Recovery Group, which produces non-hazardous secondary material engineered fuels as a replacement for coal and other non-renewable fossil fuels.


VP of Sales & Marketing, Energy Recovery

Mr. Surane has spent more than three decades working in sales and marketing, focused on waste treatment, recycling, disposal, and energy recovery. In his role at CIRCON, he oversees the company’s network of TSDFs, splitting time between the Midwest and Texas to best serve clients across regions.

Need help?

CIRCON’s team is here to guide you through our comprehensive offerings and work with you to find the solutions (and pricing) that best suit your operation. It’s a better way.