The Engineering Society of Illinois (ESI), formerly Illinois Society of Professional Engineers (ISPE), established in 1886, is a professional association representing the interests of over 2,500 engineer members from all fields of practice. Headquartered in Springfield, ESI includes among its membership licensed professional engineers, licensed structural engineers, licensed land surveyors, engineer interns, graduate engineers and engineering students.
ESI is governed by a Board of Directors made up of an elected Executive Committee and representatives appointed from each Chapter. |