OCG Pest Control, Termite Inspections and Termite Treatments. Servicing the Leppington, Gregory hills, Denham court, Gledswood hills, Oran Park, Bardia, Catherine Fields, Austral, Harrington park, Edmondson Park, NSW areas. We are the experts in Termite Treatments, Termite Inspections and Pest Control Gregory Hills. Our pest control and termite services are safe for your family and pets.