SIC for "3489"
3489 - Ordnance and Accessories, Not Elsewhere ClassifiedEstablishments primarily engaged in manufacturing ordnance and accessories, not elsewhere classified, such as naval, aircraft, antiaircraft, tank, coast, and field artillery having a bore more than 30 mm. (or more than 1.18 inch), and components. …Examples: Antisubmarine projectors (ordnance), Antitank rocket launchers, Artillery parts for artillery more than 30 mm. (or more