Alpine Investors-backed Trilon, a provider of infrastructure consulting, agreed to acquire DRMP, a multi-discipline civil engineering and surveying firm, and ESI Consultants, an engineering and architectural consulting services. Financial terms were not disclosed. “We are thrilled for DRMP and ESI to join Waggoner as members of the Trilon family. Larry and Joe have built extraordinary companies and phenomenal leadership teams that share a passion for serving their communities, clients, and employees and that make DRMP and ESI fantastic strategic and cultural fits for Trilon. We are excited to support both companies by investing in talent, technology, and targeted M&A to help them accelerate their growth ambitions. By serving as a growth accelerator for quality firms, Trilon is able to help firms expand the services they provide to their clients and the career advancement opportunities they can offer their employees," Mick Renshaw, Trilon CEO.