Northrop Grumman

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

• Aerospace Industries
• Security Agencies
• Security Control Equipment & Systems & Monitoring

North American Industry Classification System (NAICS) Categories:

• Search, Detection, Navigation, Guidance, Aeronautical, And Nautical System And Instrument Manufacturing
• Aircraft Manufacturing > Aerospace Companies
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers > Alarms, Signaling & Security Equipment > Security Control Equipment
• Security Guards And Patrol Services > Security Consultants & Agencies > Security Agencies
• Security Systems Services (Except Locksmiths) > Anti-Theft Alarm Systems Services > Bank Protective Equipment

Standard Industry Classification (SIC) Categories:

• Aircraft > Aerospace Companies
• Search & Navigation Equipment > Aerospace Instruments & Equipment
• Electrical Apparatus & Equipment > Alarms, Signaling & Security Equipment > Security Control Equipment
• Detective Guard & Armored Car Services > Security Consultants & Agencies > Security Agencies
• Security Systems Services > Anti-Theft Alarm Systems Services > Bank Protective Equipment