When you have pests, you need more than an exterminator. You need someone who can control and prevent pest infestationall while protecting you and your family. Founded in 1964, GSC Pest Management, Inc. provides service-oriented pest control for the Seacoast and surrounding area. Licensed in both New Hampshire and Maine, our technicians receive extensive and ongoing training to ensure you get the best solution for your situation, including organic pest control, integrated pest management, and micro-targeted treatment techniques.