MacInnis Electrical LLC - Licensed Electrical Contractors Serving Middleton, MA & Surrounding Areas MacInnis Electrical LLC provides comprehensive electrical services throughout Middleton, Massachusetts and the greater Merrimack Valley. As licensed electrical contractors, we specialize in residential electrical repairs, commercial electrical installations, electrical panel upgrades, wiring services, and emergency electrical work. Our experienced electricians serve homeowners and businesses in Middleton, North Andover, Danvers, Peabody, Topsfield, Boxford, and surrounding Essex County communities. We handle everything from ceiling fan installations and outlet repairs to complete electrical system rewiring and code compliance upgrades.