International Materials

Northrop Grumman International Materials 

Below you will find Northrop Grumman's Standards of Business Conduct and Supplier Standards of Business Conduct by country.

Australia

Australia 

Belgium

Belgium 

China

China 

Denmark

Denmark 

France

France 

Germany

Germany 

Italy

Italy 

Japan

Japan 

Netherlands

Netherlands 

Norway

Norway 

Saudi Arabia

Saudi Arabia 

South Korea

Republic of Korea 

UAE

UAE 

United Kingdom

United Kingdom 

United States

United States of America 

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OpenLine

Northrop Grumman OpenLine

(800) 247-4952
Toll-free, anonymous
Available 24 hours a day, 7 days a week

Link: Web Reporting

International Open Lines

Australia:​ 1-800-07-9315
Belgium:​ 800-100-10 ID (844) 286-0069
Denmark:​ ​800-100-10 ID (844) 286-0069
France: ​0041 43 300 6805
Germany: ​0041 43 300 6805
Italy: ​0041 43 300 6805
Netherlands: ​0041 43 300 6805
Norway: ​800-12049
Switzerland: ​0-800-890011 ID (844) 286-0069
United Kingdom: ​0808-234-6456
Taiwan: 00801-10-4175 (Taiwanese and English)
Japan: 00531-11-2025, 0066-33-830278, or 0034-800-900365 (Japanese and English)
China: ​10-800-711-1007/10-800-110-0935 (Mandarin and English)
South Korea:​ 00798-14-800-6599, 00308-110-480 or 00798-1-1-009-8084 (Korean and English)
Kingdom of Saudi Arabia: 1-800-10-966 ID (844) 286-0069
United Arab Emirates: 800-555-66 or 8000-021 ID (844) 286-0069