Alpine Investors-backed Trilon Group, a family of infrastructure consulting businesses, completed the investment in Fehr Graham, a provider of engineering and environmental consulting services. Financial terms were not disclosed. “We’re thrilled to partner with Fehr Graham and complete another transaction with Anthony Contaldo and the XLCS team. Anthony and team are not only a pleasure to work with but have also been critical to the successes of both Trilon Group and Alpine Investors. We highly value people at our organization and Anthony rises to the top of the list of the highest quality individuals we’ve interacted with in this industry. We look forward to the continued partnership," Patrick Eble, Alpine Investors Vice President.