The Illinois law firm of Hassakis & Hassakis, P.C. serves clients throughout Southern Illinois, including the cities of Mount Vernon, Belleville, Benton, Carbondale, Carlyle, Centralia, Columbia, Du Quoin, Edwardsville, Effingham, Fairfield, Flora, Greenville, Harrisburg, Lawrenceville, Marion, Metropolis, Mt. Carmel, Mt. Vernon, Murphysboro, Nashville, Olney, Pinckneyville, Robinson, Salem, Vandalia, Waterloo, and West Frankfort, and Jefferson County, Marion County, Wayne County, Franklin County, and Perry County, Illinois.