Welcome to HampshireFire.com! With over $15 million in annual sales, Hampshire Fire Protection Co., Inc. is New Hampshire's largest commercial fire protection company. Our services include sprinkler system design, installation, inspection, and 24/7/365 service; fire extinguisher and restaurant fire suppression systems sales, inspection, and service; and fire alarm system sales and service. Although we are large enough to serve all of New England, we are still a family owned and managed enterprise. Since 1978 Larry Thibodeau has led Hampshire Fire Protection with a commitment to professional, dependable service, and it is for this reason that many of our customers have been working with us for years.