How do sprinklers work? HOME | COMMERCIAL | RESIDENTIAL | INSPECTIONS | ABOUT US | SERVICE COMMON QUESTIONS | CONTACT US | EMPLOYMENT METRO-SWIFT SPRINKLER CORPORATION 58 PULASKI STREET PEABODY, MA 01960 BOSTON 781-289-4494 ~ PEABODY 978-532-2907 & 978-532-2909 ~ NEW HAMPSHIRE 603-626-7520 ...