Get ready for the Deerfield Fair 2026, happening October 1–5, 2026 in Deerfield, New Hampshire—one of the best times of year to enjoy local traditions, great food, and family-friendly fun. Make sure to visit Interlock Industries, Inc. at the Deerfield Fair Booth No. CA-264 and CA-265 to meet the team, explore what they offer, and see why so many attendees make this stop a must every year. Plan your trip, bring your friends, and experience the energy of the Deerfield Fair in person this October.