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.
Accounts Payable
For Aerospace Systems, Corporate & Enterprise Services, Mission Systems/Heritage Information Systems, Technology Services:
- E-Mail invoices electronically (Preferred): apfscpoinvoices@ngc.com
- Alternate Mailing address:
Northrop Grumman Systems Corporation
Enterprise Transaction Services
8710 Freeport Parkway, Suite 200
Irving TX 75063-2577
Attn:A/P Department - Mail Stop K06421
- Accounts Payable Inquiry E-Mail: https://oasis-invoiceinquiry.myngc.com
For Innovation Systems/Heritage Orbital ATK
- E-Mail invoices electronically (Preferred): invoices@ngc.com
- Alternate Mailing address:
Alliant Techsystems Operations LLC
Financial Shared Services
5995 Opus Parkway
Minnetonka, MN 55343
- Accounts Payable Inquiry E-Mail: APQuestions@ngc.com
For Mission Systems/Heritage Electronic Systems
Evaluated Receipts Settlement (ERS)
Supplier Invoice Instructions
Direct Pay Permits