Northrop Grumman

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

• Aerospace Industries
• Information Bureaus & Services

North American Industry Classification System (NAICS) Categories:

• Search, Detection, Navigation, Guidance, Aeronautical, And Nautical System And Instrument Manufacturing
• Aircraft Manufacturing > Aerospace Companies
• All Other Business Support Services > Business Information & Referral Services

Standard Industry Classification (SIC) Categories:

• Aircraft > Aerospace Companies
• Search & Navigation Equipment > Aerospace Instruments & Equipment
• Business Services, Nec > Business Information & Referral Services