- United Country East Texas Realty - Serving Marion, Cass, Harrison, Gregg and Smith counties in East Texas - new homes, historic estates, waterfront property, farms and horse ranches, acreage, hunting land, Ozarks, Canoeing, watersports, Pumme De Terre, Stockton, College, university, springfield, branson, bass pro, commercial real estate, rivers.www.easttexasrealestate.net