Oak Knoll Memorial Park If you are interested in our Mausoleum or Cremation Niches, please callI, there is limited space available! Please contact us for more information 815-625-3827 oakknoll@essexl.com 18268 Pennington Rd. Sterling, IL 61081 SM-ST1773901 Oak Knoll Memorial Park If you are interested in our Mausoleum or Cremation Niches, please callI, there is limited space available! Please contact us for more information 815-625-3827 oakknoll@essexl.com 18268 Pennington Rd. Sterling, IL 61081 SM-ST1773901