| Northrop Grumman (Technical Services Sector) CA | - | 0 | - | - |
| Northrop Grumman - Department of Veterans Affairs TX | - | 0 | - | - |
| Northrop Grumman - Update 1/15/18 CO | - | 0 | - | - |
| Northrop Grumman - Updated 1/2/18 CO | - | 0 | - | - |
| Northrop Grumman Continental Maritime CA | - | 0 | - | - |
| Northrop Grumman Coporation VA | - | 0 | - | - |
| Northrop Grumman Corp (Aerospace Systems) CA | - | 0 | - | - |
| Northrop Grumman Corp (Continental Maritime) CA | - | 0 | - | - |
| Northrop Grumman Corp Shipbuilding/Continental Mar CA | - | 0 | - | - |
| Northrop Grumman Corp. UT | Manufacturing | 0 | - | D |
| Northrop Grumman Corporation, Aerospace CA | - | 0 | - | - |
| Northrop Grumman Corporation, Mission Systems Sector CA | - | 0 | - | - |
| Northrop Grumman Enterprise Shared Services CA | - | 0 | - | - |
| Northrop Grumman Fort Polk LA | - | 0 | - | - |
| Northrop Grumman Information Systems CA | - | 0 | - | - |
| Northrop Grumman Information Systems VA | - | 0 | - | - |
| Northrop Grumman Innovation Systems UT | Manufacturing | 0 | - | D |
| Northrop Grumman Navigation Systems CA | - | 0 | - | - |
| Northrop Grumman Propulsion Systems UT | Manufacturing | 0 | - | B |
| Northrop Grumman Revised IN | - | 0 | - | - |
| Northrop Grumman Systems Corporation AL | Manufacturing | 0 | - | A |
| Northrop Grumman Systems Corporation AZ | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation CA | Manufacturing | 0 | - | F |
| Northrop Grumman Systems Corporation FL | Manufacturing | 0 | - | C |
| Northrop Grumman Systems Corporation GA | Manufacturing | 0 | - | C |
| Northrop Grumman Systems Corporation IL | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation LA | Transportation & Warehousing | 0 | - | B |
| Northrop Grumman Systems Corporation MD | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation MN | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation NY | Transportation & Warehousing | 0 | - | A |
| Northrop Grumman Systems Corporation UT | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation VA | Transportation & Warehousing | 0 | - | A |
| Northrop Grumman Systems Corporation WV | Manufacturing | 0 | - | B |
| Northrop Grumman Systems Corporation - Electronic Attack Center of Excellence NY | - | 0 | - | - |
| Northrop Grumman Systems Corporation, Defense Systems Sector MD | - | 0 | - | - |
| Northrop Grumman Technical CA | - | 0 | - | - |
| Northrop Grumman Technical Services Inc. LA | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc (NGTS) VA | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc AFCEC Program - Tyndall AFB FL | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc. AZ | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc. CA | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc. NC | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc. TX | - | 0 | - | - |
| Northrop Grumman Technical Services, Inc. VA | - | 0 | - | - |
| Northrop Grumman Technical Serviecs, Inc. NC | - | 0 | - | - |
| Northrop Grumman Technical Srvcs CA | - | 0 | - | - |
| Northrop Grumman Technical Srvcs (Lss Contract) CA | - | 0 | - | - |
| Northrop Grumman Technology CA | - | 0 | - | - |
| Northrop Grumman Technology Services, CA | - | 0 | - | - |
| Northrop Grumman, Information Systems Sector, Intelligence Systems Division VA | - | 0 | - | - |