The EI Group, Inc. (EI) is an environmental, health and safety consulting firm headquartered in Research Triangle Park, North Carolina, with branch offices strategically located throughout the United States. EI's highly qualified staff comes from a variety of educational backgrounds and disciplines and includes licensed professional engineers (PE), licensed professional geologists (PG), environmental scientists, public health professionals, certified industrial hygienists (CIH), certified safety professionals (CSP), and certified occupational health nurses (COHN). EI's professionals provide services to a wide variety of public and private sector industries throughout the United States and across the globe.