Princeton Energy Resources International LLC

Established in 1980, Princeton Energy Resources International LLC (PERI) is an energy and environmental consulting firm providing engineering, technical, economic, policy, and regulatory services to various government agencies, bilateral and multilateral financial institutions, and private sector customers across the globe. Based in Rockville, Md., it is an affiliated company of Solidaris, LLC. In addition to traditional project services such as feasibility studies, planning, policy design, environmental review and assessments, engineering design, construction management/ inspection services, the company provides technical assistance to governments, their agencies, and various private sector organizations.