RTC Partners-backed Verdantas, a provider of engineering, planning, and science services, completed the acquisition of JM Sorge, an environmental consultant. Financial terms were not disclosed. “We’re excited to welcome a talented group of EAR and EHS professionals to the Verdantas team. This acquisition helps to strengthen Verdantas’ position in the Mid-Atlantic and brings enhanced capabilities to our clients across the United States,” Gerry Salontai, Verdantas CEO.