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 all sectors except Heritage Electronic Systems
Accounts Payable Contacts
Evaluated Receipts Settlement (ERS)
Invoice and Packing Instructions

For Heritage Electronic Systems Payment and Invoicing
Invoice Submittal to Northrop Grumman
Additional Invoice Submittal Information
OH Direct Pay Permit
MD Direct Pay Permit
MS Direct Pay Permit
TX Direct Pay Permit