Corporate Headquarters  |  Westbrook  |  Medway  |  Berlin  |  Bridgeport Westbrook Office 5 Delta Drive P.O. Box 365 Westbrook, ME 04092-0365 Toll Free: 888.670.7001 Phone: 207.857.9000 Fax: 207.857.9064 info@merrimackbuildingsupply.com