Oak Knoll Cemetery Grave Decorations for Sale in the Office Please contact us for more information 815-625-3827oakknoll@essexl.com 18268 Pennington Rd. Sterling, IL 61081 Oak Knoll Cemetery Grave Decorations for Sale in the Office Please contact us for more information 815-625-3827oakknoll@essexl.com 18268 Pennington Rd . Sterling , IL 61081