Northrop Grumman

Northrop Grumman is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Aerospace Industries
• Security Agencies

North American Industry Classification System (NAICS) Categories:

• Search, Detection, Navigation, Guidance, Aeronautical, And Nautical System And Instrument Manufacturing
• Aircraft Manufacturing > Aerospace Companies
• Security Guards And Patrol Services > Security Consultants & Agencies > Security Agencies

Standard Industry Classification (SIC) Categories:

• Aircraft > Aerospace Companies
• Search & Navigation Equipment > Aerospace Instruments & Equipment
• Detective Guard & Armored Car Services > Security Consultants & Agencies > Security Agencies