A&M Electrical Contractor Share: Professional & Personnel Services A&M Electrical Contractor Visit Website Request Info P.O. Box 119 Riverhead, New York 11901 6312081739 About Map About Full Service Electrical, Security Alarm and Generator Distributors and Installers. Servicing All if Suffolk County. Commerical, Residential, Insustrial What's Nearby? Distance: 5 10 15 20 25 50 mi.