| Parallel Ventures, Inc. | Tucson | AZ | Subcontractor |
| Parametric Machining Incorporated | Huntertown | IN | Subcontractor |
| Paramount Machine, Inc. | Salt Lake City | UT | Subcontractor |
| Parrish Enterprises, Ltd. | Enid | OK | $0 |
| Parts Tool & Die, LLC | Agawam | MA | Subcontractor |
| Pasco Machine Co. | Pasco | WA | $0 |
| Pathfinder Industries, Inc. | Fulton | NY | Subcontractor |
| Payne Engineering & Fabrication Co. Inc. | Canton | MA | Subcontractor |
| PCM Innovation Inc. | N Springfield | VT | Subcontractor |
| PCR Technologies, Inc. | Pine Brook | NJ | Subcontractor |
| Peak Motion Inc. | Clarence | NY | Subcontractor |
| Pedavena Mould And Die Co. Inc. | Santa Fe Springs | CA | Subcontractor |
| Peerless Precision, Inc. | Westfield | MA | Subcontractor |
| Pegasus MFG Inc. | Galesburg | IL | Subcontractor |
| Peko Precision Products, Inc. | Rochester | NY | Subcontractor |
| Pell Manufacturing, Inc. | Pelham | NH | Subcontractor |
| Peninsula Precision Machine, LLC | Deland | FL | Subcontractor |
| Penn United Technologies Inc. | Cabot | PA | Subcontractor |
| Performance Feeders Inc. | Oldsmar | FL | $0 |
| Petersen Precision Engineering, LLC | Redwood City | CA | Subcontractor |
| Peterson Machining, Inc. | Boulder | CO | $0 |
| Pga Machine Co. | Eddystone | PA | $0 |
| Phase Inc. | Mount Airy | MD | $0 |
| Phoenix Manufacturing, Inc. | Enfield | CT | Subcontractor |
| Pioneer Machine & Tool Co. Inc. | Maple Shade | NJ | Subcontractor |
| Pittman's Machine Service, Inc. | Leslie | GA | $0 |
| Piw TSG, LLC | Portland | OR | Subcontractor |
| P & K Machine - BCM Industries, Inc. | Morgan City | LA | $0 |
| Planet Products Corporation | Cincinnati | OH | Subcontractor |
| Planet Tool & Gear Inc. | O Fallon | MO | Subcontractor |
| Plansee USA LLC | Franklin | MA | Subcontractor |
| Plastic Distributors & Fabricators, LLC | Haverhill | MA | Subcontractor |
| Plastic Engineering Inc. | Tempe | AZ | Subcontractor |
| Plastifab, Inc. | La Verne | CA | Subcontractor |
| Pli Manufacturing, LLC | Gilbert | AZ | Subcontractor |
| Plouse Machine Shop, Inc. | Highspire | PA | Subcontractor |
| Pme Of Ohio, Inc. | Cincinnati | OH | $0 |
| PMR Global Inc. | Burleson | TX | Subcontractor |
| Point Machine, LLC | Taneytown | MD | Subcontractor |
| Polaris Engineering Inc. | Fraser | MI | Subcontractor |
| Porter Machine, Inc. | West Greenwich | RI | $0 |
| P&P Machining Co. LLC | Altoona | PA | Subcontractor |
| Praesto Enterprises, LLC | Orlando | FL | Subcontractor |
| Precise Products Corp. | Minneapolis | MN | Subcontractor |
| Precise Technologies, Inc. | Largo | FL | Subcontractor |
| Precision Aero Fab Inc. | Yuma | AZ | $0 |
| Precision Aerospace, LLC | Phoenix | AZ | Subcontractor |
| Precision Build Integration LLC | Clackamas | OR | Subcontractor |
| Precision CNC Inc. | Deer Park | NY | Subcontractor |
| Precision Component Industries LLC | Canton | OH | $0 |
| Precision Fabrication Inc. | Albuquerque | NM | Subcontractor |
| Precision Ferrites & Ceramics, Inc. | Huntington Beach | CA | Subcontractor |
| Precision Forms Inc. | Butler | NJ | $0 |
| Precision Grinding Inc. | Birmingham | AL | Subcontractor |
| Precision Grinding, Inc. | Albuquerque | NM | Subcontractor |
| Precision Holdings, LLC | Webb City | MO | Subcontractor |
| Precision Honeycomb LLC | Vista | CA | Subcontractor |
| Precision Machined Products, LLC | Fort Collins | CO | Subcontractor |
| Precision Machine Of Savannah Inc. | Savannah | GA | Subcontractor |
| Precision Machine Works, Inc. | Culpeper | VA | Subcontractor |
| Precision Machining Sheet Metal, Inc. | Tucson | AZ | Subcontractor |
| Precision Machinists Company Inc. | Chelmsford | MA | $0 |
| Precision Manufacturing | Roseville | CA | Subcontractor |
| Precision Metals & Plastics | Winsted | CT | Subcontractor |
| Precision Products, Inc. | Dalton | GA | Subcontractor |
| Precision Roll Grinders Inc. | Allentown | PA | $0 |
| Precisionworx, LLC | Plainville | CT | Subcontractor |
| Preferred Machine Works, Inc. | Ball Ground | GA | Subcontractor |
| Preferred Manufacturing Services, Inc. | Cameron Park | CA | Subcontractor |
| Prematech, LLC | Worcester | MA | $0 |
| Premier Aerospace Group LLC | Dayton | OH | Subcontractor |
| Premier Production Service Industries, Inc. | Garrettsville | OH | $0 |
| Premier Tool & Design Inc. | Oklahoma City | OK | Subcontractor |
| Pre-tech Plastics, Inc. | Williston | VT | Subcontractor |
| Price Products, Incorporated | Escondido | CA | Subcontractor |
| Pricewalker, Inc. | North Chesterfield | VA | $0 |
| Primus Metals LLC | Denver | CO | Subcontractor |
| Prince Industries LLC | Carol Stream | IL | Subcontractor |
| Princeton Tool Inc. | Mentor | OH | Subcontractor |
| Product Development Solutions, Inc. | Minneapolis | MN | Subcontractor |
| Production Cutting Services Inc. | East Moline | IL | $0 |
| Product Systems Engineering, LLC | Victorville | CA | $0 |
| Pro-fab, Inc. | Bosque Farms | NM | Subcontractor |
| Pro-fab, LLC | Oklahoma City | OK | Subcontractor |
| Professional Machine Service, LLC | Holyoke | MA | Subcontractor |
| Progress, Inc. | Newington | CT | Subcontractor |
| Progressive Machine, Inc. | Pasco | WA | $0 |
| Pro Machine & Tool, Inc. | Huntsville | AL | $0 |
| Pro Tech Machining LLC | Mckinney | TX | Subcontractor |
| Protofab Engineering Inc. | Blaine | MN | Subcontractor |
| Protomatic Inc. | Dexter | MI | Subcontractor |
| Prototek Digital Manufacturing (eau Claire) LLC | Menomonie | WI | Subcontractor |
| Prototek Digital Manufacturing (sacramento) LLC | Rancho Cordova | CA | Subcontractor |
| Pro-type Industries Inc. | Sterling | VA | Subcontractor |
| PTC Precision LLC | Endicott | NY | Subcontractor |
| PTG Precision LLC | Gardena | CA | Subcontractor |
| Pure-logic Industries Inc. | Gilbert | AZ | Subcontractor |
| Qmac-quality Machining Inc. | Bellefonte | PA | Subcontractor |
| Quality Controlled Manufacturing, Inc. | Santee | CA | Subcontractor |
| Quality Fab & Mechanical, L.L.C | Saint Rose | LA | $0 |