Finding an exterminator. Finding an exterminator should ideally follow the same process as finding many service-based professionals. First of all, word-of-mouth can often be a great way to find a reputable exterminator who gets good results. The internet has lately become a fantastic resource for finding service professionals, and this includes exterminators. Many sites focus on local servicepeople, and it’s possible to find reviews and ratings from people in the local area. These days, many exterminators offer their own websites as well, and it’s possible to shop for an exterminator who lists themselves as an expert or specialist in dealing with the pest in question.