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, Technology Services:
Northrop Grumman Systems Corporation
Enterprise Transaction Services
8710 Freeport Parkway, Suite 200
Irving TX 75063-2577
Attn:A/P Department - Mail Stop K06421
For Innovation Systems/Heritage Orbital ATK
Alliant Techsystems Operations LLC
Financial Shared Services
5995 Opus Parkway
Minnetonka, MN 55343
Evaluated Receipts Settlement (ERS)
Supplier Invoice Instructions
Direct Pay Permits