Hamilton Robinson Capital Partners (“HRCP”), a lower middle-market private equity firm, announces that it has sold its investment in Tanknology to D&H United (“D&H”), a portfolio company of Wind Point Partners. Tanknology is the global leader in environmental compliance testing, inspection and fuel quality solutions. With over 100,000 site visits per year, Tanknology’s proprietary and patented testing and inspection technology solutions have long been relied on by infrastructure operators, insurance providers and regulators to set industry standards to protect and prevent groundwater contamination. The combination adds to D&H’s offerings around critical maintenance, testing and inspection services for fueling stations and electric vehicle charging infrastructure.

“We are proud of the accomplishments achieved during our partnership with the Tanknology team,” stated Brandon Richter, Partner of HRCP. “We achieved market leading organic growth driven by new customer wins and expansion of services, as well as acquisitive growth. Our three acquisitions added customer and technician density as well as strengthening our service offerings, particularly in cathodic protection.”

James Parmelee, Managing Director of HRCP, continued, “We made significant foundational investments to position Tanknology as the environmental compliance platform of choice. It was a pleasure to work with Allen Porter, Pete DeWeese and the entire management team over the past several years, as well as a number of managers and key employees who participated alongside us as shareholders.”

“I am extremely proud of Tanknology’s employees, our customer-centric culture and 35-year history as the preeminent compliance services provider and innovator of unique testing solutions,” noted Allen Porter, Tanknology, CEO. “Hamilton Robinson supported us in every way, helping to solidify our strategic initiatives and supporting our growth at every step.”

Finn Dixon & Herling and Crowe LLP advised Hamilton Robinson Capital Partners and Tanknology.


Founded in 1988 and headquartered in Austin, TX, Tanknology is the world’s largest provider of environmental compliance testing and inspection services at more than 85,000 petroleum fueling and storage facilities per year. Tanknology offers more than 30 compliance-related service offerings and holds 22 patents for leak detection and tank monitoring technology. For more information visit www.tanknology.com.