| Mid-continent Engineering, LLC | Minneapolis | MN | Subcontractor |
| Midway Machining Company LLC | Neosho | MO | $0 |
| Midway Machining Inc. | Marietta | OH | $0 |
| Milco Wire Edm, Inc. | Huntington Beach | CA | $0 |
| Millenium Machine, Inc. | Scottsboro | AL | Subcontractor |
| Miller Machine & Tool Company | Winchester | VA | $0 |
| Miller Machine Works, LLC | Chula Vista | CA | Subcontractor |
| Milling Precision Tool Corp. | Wichita | KS | Subcontractor |
| Millrite Machine Inc. | Westfield | MA | Subcontractor |
| Mill-tech Industries Inc. | Grand Prairie | TX | Subcontractor |
| Millworx Precision Machining, Inc. | Corona | CA | Subcontractor |
| Milo Machining Inc. | Torrance | CA | Subcontractor |
| Minitec Framing Systems, LLC | Farmington | NY | Subcontractor |
| Minnesota Waterjet, Inc. | Anoka | MN | Subcontractor |
| Mississippi Aerospace Corp. | Picayune | MS | Subcontractor |
| Mk Services Corp. | Middleton | MA | Subcontractor |
| M & L Precision Machining, Inc. | Morgan Hill | CA | Subcontractor |
| M&M Precision Components, LLC | Tulsa | OK | Subcontractor |
| M & M Sheet Metal, Inc. | Williamsport | PA | $0 |
| Modelcraft Company, Incorporated | Plymouth | CT | Subcontractor |
| Modern Engineering Solutions LLC | Rockford | MI | Subcontractor |
| Modern Forge Texas, LLC | Hurst | TX | Subcontractor |
| Modern Machine Works, Inc. | Albany | OR | $0 |
| Modern Manufacturing & Engineering, Inc. | Brooklyn Park | MN | Subcontractor |
| Modus Advanced Inc. | Carlsbad | CA | Subcontractor |
| Molnar Engineering, Inc. | Chatsworth | CA | Subcontractor |
| Mono Engineering Corp. | Chatsworth | CA | Subcontractor |
| Monroe Tool And Manufacturing Company | Cleveland | OH | Subcontractor |
| Morgan Bronze Products, Inc. | Lake Zurich | IL | Subcontractor |
| Morris Precision Products, Inc. | Canyon Country | CA | Subcontractor |
| Mote, Inc. | Minnetonka | MN | Subcontractor |
| Mouldagraph Corporation | Nitro | WV | $0 |
| Mpi Supply Incorporated | Canonsburg | PA | $0 |
| Multicut A/s | Vildbjerg | | Subcontractor |
| Multi-machining Co. Inc. | Greenville | TX | Subcontractor |
| Multisource Manufacturing LLCRamsey, MN · UEI J42JE2E4Q616 | Ramsey | MN | Subcontractor |
| Multisource Manufacturing LLCMinneapolis, MN · UEI QNV1MYJFLAG1 | Minneapolis | MN | Subcontractor |
| Mvo USA, Inc. | Indianapolis | IN | Subcontractor |
| M W M Services, Inc. | Riviera Beach | FL | Subcontractor |
| My Machine, Inc. | Baldwin Park | CA | Subcontractor |
| Naef Press & Dies, Inc. | Bolton Landing | NY | $0 |
| Nagel Machine Co. Inc. | West Warwick | RI | Subcontractor |
| Naqc Systems, Inc. | Santa Ana | CA | Subcontractor |
| National Jet Company, Inc. | Lavale | MD | Subcontractor |
| National Machining Technologies, Inc. | Denver | CO | Subcontractor |
| National Precision Tool Co. Inc. | Fairfield | NJ | $0 |
| Naushon Engineering LLC | Winchester | MA | $0 |
| Navarro Machine Shop | Albuquerque | NM | Subcontractor |
| Nc Dynamics LLC | Long Beach | CA | Subcontractor |
| Nc Precision LLC | Putnam | CT | Subcontractor |
| Nebraska Machine Products, Inc. | Omaha | NE | Subcontractor |
| Nelson Engineering Co. | Phoenix | AZ | Subcontractor |
| Nelson Numeric, LLC | Waterloo | WI | Subcontractor |
| Nelson Precision, LLC | Mckinney | TX | $0 |
| N.e.t. & Die, Inc. | Fulton | NY | $0 |
| Netzer Metalworks, LLC | Essex | MD | Subcontractor |
| Nevron Plastics, Inc. | Saugus | MA | Subcontractor |
| New Age Manufacturing, Inc. | Plattsmouth | NE | $0 |
| New Industries, Inc. | Sturgeon Bay | WI | Subcontractor |
| New London Precision Instruments Inc. | New Market | MD | Subcontractor |
| Newtek Manufacturing, Incorporated | Rockledge | FL | $0 |
| New Vision Industries, LLC | Jamestown | NY | Subcontractor |
| Next Intent, Inc. | San Luis Obispo | CA | Subcontractor |
| Nichols Manufacturing Inc. | Hollister | CA | Subcontractor |
| Noble Tool LLC | Dayton | OH | Subcontractor |
| Nolan's Machine Shop, Inc. | Lafayette | LA | $0 |
| Norman Scott Company, Inc. | Cedar Rapids | IA | Subcontractor |
| North Carolina Manufacturing Inc. | Goldsboro | NC | $0 |
| Northeast Manufacturing Co. Inc. | Stoneham | MA | Subcontractor |
| Northeast Tool And MFG. Co. | Matthews | NC | Subcontractor |
| Northern Fab Of Menominee LLC | Menominee | MI | Subcontractor |
| Northern/lucus Machine, Inc. | Lubbock | TX | $0 |
| Northside Machining, Inc. | Huntingburg | IN | $0 |
| Northwest Machine Works, Inc. | Canby | OR | $0 |
| Nowak Inc. | Wharton | NJ | Subcontractor |
| Numericraft, Inc. | Tucson | AZ | $0 |
| Numerix Inc. | Columbia City | IN | $0 |
| Nu Metric Manufacturing Pty. Ltd. | Wingfield | SOUTH AUSTRALIA | Subcontractor |
| Nu-tec Tooling Co. Inc. | Watsontown | PA | $0 |
| Nwi Defense LLC | Albany | OR | Subcontractor |
| Oak Ridge Tool - Engineering, Inc. | Oak Ridge | TN | Subcontractor |
| O & F Machine Products Company | Joplin | MO | Subcontractor |
| O'keefe Ceramics, Inc. | Woodland Park | CO | Subcontractor |
| Olson Custom Designs LLC | Indianapolis | IN | Subcontractor |
| Olympus Machining LLC | Hanover | PA | Subcontractor |
| Omanson Precision Engineering, Inc. | Chino | CA | Subcontractor |
| Omega One Research, Inc. | Boca Raton | FL | Subcontractor |
| Omikron Engineering, Inc. | Chatsworth | CA | Subcontractor |
| Onamac Industries, Inc. | Everett | WA | Subcontractor |
| Operose Manufacturing, Inc. | Frederick | CO | Subcontractor |
| Orizon Aerostructures LLC | Olathe | KS | Subcontractor |
| Ortiz Tool, LLC | Windsor | CT | Subcontractor |
| Owens Machine And Tool Company LLC | Lewisville | TX | Subcontractor |
| Pace Machine & Tool, Inc. | Stuart | FL | Subcontractor |
| Package One Industries, LLC | Schenectady | NY | Subcontractor |
| Palma Acquisition Inc. | Lancaster | NY | Subcontractor |
| Palmer Industries Inc. | Akron | OH | $0 |
| Panther Precision Machine Inc. | Anoka | MN | Subcontractor |
| Papadatos Enterprises, Inc. | San Jose | CA | Subcontractor |
| Paragon MFG., Inc. | Westfield | MA | Subcontractor |
