August 01, 2025

JTC Expands into Northern Vermont with Addition of Optimum Testing

John Turner Consulting (JTC) is pleased to announce that Optimum Testing of Derby, Vermont has joined our team.

Optimum Testing is a respected materials testing company serving northern Vermont. Their staff brings strong technical expertise and a reputation for reliable, high-quality service. By integrating Optimum Testing into JTC, we’re expanding our reach in northern Vermont and enhancing our ability to support clients with the responsive, professional service they expect.

This addition continues JTC’s growth across New England. In recent years, we’ve expanded our services through the addition of Fessenden Geotechnical in Maine, Willis Consulting Engineers in Vermont, Harper Environmental in Vermont, and VHB’s Pavement Management Group in Connecticut.

We look forward to working with Optimum Testing’s clients and welcoming their talented staff to the JTC team.

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