If there are subtle signs in your home/office of pests then you should call up an exterminator without further delay. Negligence will only allow these creatures to multiply and most of them do so at a frightening rate. For example, rats, if given a dark hideout, can infest any property and that gives rise to other issues as well. You should always know of a company that specializes in pest control. Minneapolis residents call in the experts before the matter spirals out of control.