| NGNorthrop Grumman Systems CORP. | El Segundo | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corpo | San Jose | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation | Waynesboro | VA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation- Troy Hill 2 (ste 2a) | Elkridge | MD | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corp-sperry Marine | Signal Hill | CA | — | ◇ UNVERIFIED |
| NGNorthrup Grumman Systems | Manhattan Beach | CA | — | ◇ UNVERIFIED |
| NMNr Manufacturing INC | Fremont | CA | — | ◇ UNVERIFIED |
| NNNVTS Night Vision Technology Solutions LLC. | Jamestown | RI | — | ◇ UNVERIFIED |
| OCO C Alphanetics INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| OHOdom Hydrographic Sys INC | Baton Rouge | LA | — | ◇ UNVERIFIED |
| OCOmni Circuits INC | Glenview | IL | — | ◇ UNVERIFIED |
| OCOmohundro CO | Costa Mesa | CA | — | ◇ UNVERIFIED |
| OMOncore Manufacturing Services | San Marcos | CA | — | ◇ UNVERIFIED |
| OMOncore Manufacturing Services Dba Neotech | Fremont | CA | — | ◇ UNVERIFIED |
| OSOpto-Knowledge Systems, Inc. | Jacksonville | AR | — | ◇ UNVERIFIED |
| OAOrbital Atk INC. | Colorado Springs | CO | — | ◇ UNVERIFIED |
| OAOrbital Atk, INC. | Northridge | CA | — | ◇ UNVERIFIED |
Ovc Engineered Solutions, LLC | Easton | MD | — | ◇ UNVERIFIED |
| PEPacific Ems LLC | Salem | OR | — | ◇ UNVERIFIED |
| PSPacific Scientific - Rose Lane | Carpinteria | CA | — | ◇ UNVERIFIED |
| PQPacsci Quantic LLC | San Carlos | CA | — | ◇ UNVERIFIED |
| PEParagon Electronic Systems INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| PCParlex Corp., San Jose Division | San Jose | CA | — | ◇ UNVERIFIED |
| PFParlex Flexible Printed Circuits & Flat Flex Cables | Methuen | MA | — | ◇ UNVERIFIED |
| PEPcb Engineering INC | Milpitas | CA | — | ◇ UNVERIFIED |
| PDPC Drilling INC | Arizona City | AZ | — | ◇ UNVERIFIED |
| PSPdp Systems - Patriot Memory LLC | Fremont | CA | — | ◇ UNVERIFIED |
| PCPeachtree City Photocircuits Warehouse | Peachtree City | GA | — | ◇ UNVERIFIED |
| PPemstar | San Jose | CA | — | ◇ UNVERIFIED |
| PIPemstar INC. | Chaska | MN | — | ◇ UNVERIFIED |
| PCPenetradar Corporation | Niagara Falls | NY | — | ◇ UNVERIFIED |
| PCPeninsula Coating Services INC | Santa Clara | CA | — | ◇ UNVERIFIED |
| PLPennyvision LLC Dba Pizza Hut | Santa Ana | CA | — | ◇ UNVERIFIED |
| PCPhoto Chem Etch Corporation | Sun Valley | CA | — | ◇ UNVERIFIED |
| PCPhoto Chemical Systems, Inc. | Knightdale | NC | — | ◇ UNVERIFIED |
| PCPhotocircuits CORP | Glen Cove | NY | — | ◇ UNVERIFIED |
| PCPhotocircuits CORP | Peachtree City | GA | — | ◇ UNVERIFIED |
| PIPico INC Catv Division | Liverpool | NY | — | ◇ UNVERIFIED |
| PVPivotal Vision LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| PCPlanar Circuit Technologies I | Saint Peter | MN | — | ◇ UNVERIFIED |
| PRPlasma Ruggedized Solutions INC | San Jose | CA | — | ◇ UNVERIFIED |
| PSPlasma Systems INC | San Jose | CA | — | ◇ UNVERIFIED |
| PCPlexus CORP Fca | Fremont | CA | — | ◇ UNVERIFIED |
| PCPlexus CORP Fca | Fremont | CA | — | ◇ UNVERIFIED |
| PSPm Solutions Dba More Automotive | San Carlos | CA | — | ◇ UNVERIFIED |
| PCPoly Circuits INC | Bensenville | IL | — | ◇ UNVERIFIED |
| PCPoly-flex Circuits | Cranston | RI | — | ◇ UNVERIFIED |
| PRPraegitzer Redmond | Redmond | WA | — | ◇ UNVERIFIED |
| PCPrecision Contract Manufacturing | Springfield | VT | — | ◇ UNVERIFIED |