Sentry Fence & Iron Company has been building high-quality residential and commercial fences for over 55 years. Homeowners, contractors, engineers, and architects have come to rely on our expertise and services. We offer a vast selection of fencing and accessories including vinyl, wood, chain link, commercial, and gate systems. Sentry Fence & Iron Company is one of the nation’s leading residential and commercial fence contractors. Our professional fence installers are dedicated to providing quality workmanship and customer service across Essex and Middlesex Counties promptly and efficiently.