Pest control services are covered by our satisfaction guarantee. This money back guarantee is included on all of Bulwark's ant control services. This makes it easy for new customers to try the ant control service risk free. Bulwark Exterminating is a Mesa Exterminator which services over 10,000 Mesa homes. Perhaps best known for their head way with Mesa Scorpion Control, Bulwark covers all of the Valley of the Sun's common pests. Services include Mesa Roach control, Mesa Spider Control, and Mesa Cricket control.