Pest control services are covered by our satisfaction guarantee. This money back guarantee is included on all of Bulwark's spider control services. This makes it easy for new customers to try the spider control service risk free. Bulwark Exterminating is an Austin Exterminator located in Texas. Bulwark covers all of the common pests. Services include Austin Roach Control, Austin Ant Control, Austin Scorpion Control and Austin Cricket Control.