Suppliers

Payment and Invoicing

Overview 

Payment should be in accordance with your Northrop Grumman purchase order invoicing instructions. When applicable, the Northrop Grumman billing address will display in the header of the purchase order/change order

If you have any questions please contact your Northrop Grumman buyer or representative. 

For Aeronautics Systems, Corporate & Enterprise Services, Defense Systems, Mission Systems, Space Systems

Northrop Grumman Systems Corporation

Enterprise Transaction Services

8710 Freeport Parkway, Suite 200

Irving TX 75063-2577

Attn:A/P Department – Mail Stop K06421

For Heritage NGIS (Innovation Systems/Heritage Orbital ATK)

  • E-Mail invoices electronically (Preferred):  invoices@ngc.com
  • Alternate Mailing address:

5600 American Blvd W, Suite 200
Bloomington, MN 55437

Direct Pay Permits

 

Payment and Invoicing Contacts

Heritage NGIS (Innovation Systems/Orbital ATK)

For any questions regarding pending invoices, payments received, or other general A/P inquiries, please submit an inquiry ticket using the provided link: https://oasis-invoiceinquiry.myngc.com/

All Other Sectors

For any questions regarding pending invoices, payments received, or other general A/P inquiries, please submit an inquiry ticket using the provided link: https://oasis-invoiceinquiry.myngc.com/