http://ampmexterminators.com/ if you get them from outside then there is no ants coming in. A very simple way of dealing with ant extermination.
Spray To Kill Control Remove Little Black Sugar Ants Exterminators Household Small Tiny little black Ants Control Removal – Getting Rid of House Ants in around Homes buildings pesticide chemicals, non chemical methods will help you to maintain control and prevent future ant infestations: Little Black Ants are highly adaptable when it comes to nesting, and nests are commonly found both indoors and outdoors, in a variety of climates. Little black ants prefer to make a home of decayed woods, but will also build nests in cement cracks, under stones, or in open lawns. When you first notice invading ants, they may form an obvious trail which you can easily follow to find exactly where the ants are entering