JNH Environmental Services, Inc. (JNH) is a leading consulting and engineering firm that provides a wide range of environmental, health, and safety services. The firm serves numerous nationally recognized, well-established and financially sound companies throughout the world. JNH traces its roots back to the 1990s when we first started providing consulting services. With thousands of successful projects under our belt, we can proudly say that we are one of the most trusted environmental service companies in the United States.