Payment and Invoicing

Payment and Invoicing


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):
  • Alternate Mailing address:

5600 American Blvd W, Suite 200
Bloomington, MN 55437

Evaluated Receipts Settlement (ERS)
Supplier Invoice Instructions

Direct Pay Permits

OH Direct Pay Permit
MD Direct Pay Permit
MS Direct Pay Permit
TX Direct Pay Permit

Payment and Invoicing Contacts

Heritage NGIS (Innovation Systems/Orbital ATK)

Rob Caton


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: