Granite State Chemical Pest Control
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When you have pests, you need more than an exterminator. You need someone who can control and prevent pest infestation—all 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.
Services
GSC Pest Management's commercial pest control services are custom designed to meet the operational requirements based on your business goals and corporate mission. For example, food production plants, manufacturers of surgical supplies, and health care facilities all have specific and stringent guidelines and thresholds for pest activity.
The best pest control is prevention. At GSC Pest Management, Inc., we employ a wide variety of tactics to help keep pests from becoming a problem. To prevent pest infestation, we offer annual multiple-treatment plans that keep insects and other rodents at bay—stopping them from getting into your house or business.
Our Integrated Pest Management methods take a holistic approach to solving your pest problem for the long haul. As such, many pest problems can be solved with natural or non-chemical methods such as structural repairs, landscaping or by changing human behavior.
The GSC Pest Management, Inc. team has decades of experience in providing reliable courteous pest control services. We know pests. Better yet, we know how to stop them from becoming a problem. Partner with the best when it comes to your home or business. Our certified pest control experts can recommend appropriate solutions and a plan of action based on your specific situation, needs, and requests.
Reviews (4)
Will Willoughby
Will Willoughby
Aug 28, 2021
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Positive: Professionalism, Quality, Responsiveness
They were wonderful! I had an infestation in my bedroom, and they took care of it quickly and effectively. They were extremely professional and friendly. Highly recommend!
Service: Hornets or wasps
Liz Rodgers
Liz Rodgers
Jul 24, 2020
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GSC was recommended to me by my neighbor, who uses GSC for her personal AND business needs! I called and the person who answered (sorry I don't remember your name) was a nice lady who listened to my concerns and made sure I felt like a priority.
Tyler was a little bit early for his appointment, which I appreciated. He was an excellent blend of knowledgeable, kind, professional, and caring. I thought he was just there for a free estimate, but he was actually able to take care of my wasp problem right away. He said how much it would be and the bill in the mail was for exactly that. He made sure
Ann Kelly
Ann Kelly
Nov 26, 2018
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The crew was there within 25 minutes of our call for a wasp problem. Awesome and professional! Best of all no more wasps! Thank you guys, you are the best!
Raymond Tweedie
Raymond Tweedie
Dec 26, 2017
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Tom and his team of techs are awesome. They are responsive, knowledgeable, and thorough.