Missman is a multi-disciplined professional services firm providing civil and structural engineering, surveying, and environm ... ental consulting services to clients in the commercial, institutional, government, municipal water/wastewater, and transportation markets throughout the Midwest. The company employs approximately 70 people and has corporate headquarters in Rock Island, Illinois and regional offices in Bettendorf, Iowa; Rockford, Illinois; and DeKalb, Illinois. read more