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Granite Circle: GEOTEK Welcomes Eric’sons

For Stakeholders
News And Insights Granite Circle Geotek Welcomes Duratrench

We are pleased to announce that Eric’sons, Inc. has joined GEOTEK, a Granite Company. Eric’sons adds spray up composite manufacturing capabilities, a new high growth product, and a diversified customer base. With GEOTEK's capabilities, we view the combination as highly synergistic and likely to the fuel growth of both existing and new products.

St. Cloud, MN. (September 5, 2025) – We are pleased to announce that Eric’sons, Inc. has joined GEOTEK, a Granite Company. The partnership closed on September 3, 2025. We welcome co-owners Robert Finn, Anthony Finn, and David Potter and all Eric’sons stakeholders into the GEOTEK and Granite communities.

Founded in 1998, Eric’sons manufactures Dura Trench™ products, primarily trenches and trench drains, for application across a broad set of end markets, including industrial processing, building infrastructure, and outdoor settings. The product is light, easy-to-install, high load-bearing and non-corrosive, differentiating it from traditional precast concrete trenches. The company employs about 250 team members and operates three manufacturing facilities in Ogden, Utah; Dallas, Georgia; and Chester, Virginia. See Duratrench.com for a company profile.

The partnership marks a significant milestone in GEOTEK’s mission to enhance the world’s infrastructure with composite products. Eric’sons adds spray up composite manufacturing capabilities, a new high growth product, and a diversified customer base. With GEOTEK’s expertise in selling composite products, its strong distribution network in the utility channel, and its proven ability to launch new products, we view the combination as highly synergistic and likely to fuel the growth of both existing and new products.

Robert Finn, President and Co-Founder of Eric’sons, commented, “We are excited about a new chapter of growth as we partner with GEOTEK. We share a vision of excellence in engineering, innovation, customer service, and how we treat people. Together we can accelerate our product and market leadership.”

We are excited about a new chapter of growth as we partner with GEOTEK. We share a vision of excellence in engineering, innovation, customer service, and how we treat people. Together, we can accelerate our product and market leadership.

– Robert Finn, Eric’sons President and Co-Founder

“We welcome Eric’sons to GEOTEK, and we are excited to add Dura Trench™ to our growing family of composite brands,” said Ben Wiltsie, CEO of GEOTEK. “We share a commitment to high quality, engineered composite products. Together we can grow existing business and innovate impactful new products. We are excited to collaborate with the founders and the team, and we are grateful they trust us for this next chapter of growth.”

Meg Hickey McGuire, Granite Partners Investment Director, said, “The Eric’sons partnership marks GEOTEK’s second add-on investment since Granite invested in GEOTEK in 2009. We were delighted to support this process, investment, and partnership, and we are excited to welcome all stakeholders into the Granite community.”


Granite Partners assisted GEOTEK in the acquisition of Eric’sons. Lathrop GPM represented and CliftonLarsonAllen, Marsh McLennan Agency, Ramboll, Vanguard, and Gallagher advised on the investment. JP Morgan Chase Bank, N.A. and Bell Capital Finance provided financing.