Since 1924 Wil-Kil has been providing businesses and homeowners in the upper Midwest with peace of mind and pest protection. As a champion of Integrated Pest Management (IPM), Wil-Kill utilizes a less-invasive approach to control pests such as ants, beetles, cockroaches, flies, mosquitoes, wasps, bed bugs and termites by considering all methods of non-chemical pest control before the use of pesticides. Whether you are in Madison, La Crosse, Janesville, Rockford, Wisconsin Dells or any of the surrounding areas, Wil-Kil has a technician that lives and works in your community, and will provide the service a neighbor deserves.. Home Pest Control Commercial Pest Control Preventative Pest Control Cockroach Control Flea Treatment Fly Control Spider Control Box Elder Bug Control Asian Lady Beetle Control Termite Control Rat and Mouse Control Mosquito Control Wildlife Trapping