| Merrill Technologies Group, LLC | Alma | MI | Subcontractor |
| Metal Products Specialists, Inc. | Virginia Beach | VA | Subcontractor |
| Microflex, Inc. | Ormond Beach | FL | Subcontractor |
| Mid State Machine Products | Winslow | ME | Subcontractor |
| Mid Valley Industries, LLC | Kaukauna | WI | Subcontractor |
| Midwest Metal Products Co. | Cedar Rapids | IA | Subcontractor |
| Military Cadence Mc Promotions Inc. | Sarasota | FL | $0 |
| Miller Fabrication And Welding Incorporated | Lexington | OH | Subcontractor |
| Mini-flex Corporation | Ventura | CA | $0 |
| Morgan Metals Inc. | Athens | AL | $0 |
| Mountain Country Equipment L.L.C. | Nephi | UT | $0 |
| Muza Metal Products, LLC | Oshkosh | WI | Subcontractor |
| Narstco LLC | Midlothian | TX | Subcontractor |
| Nelson M.C.T. - South, Inc. | Lacombe | LA | Subcontractor |
| Noordermeer Bros Inc. | Delaware | ON | Subcontractor |
| North American Safety Products, Inc. | Mokena | IL | $0 |
| Oetiker, Inc. | Marlette | MI | $0 |
| Omni Services, Inc. | New Castle | DE | Subcontractor |
| Optimim LLC | Wilsonville | OR | Subcontractor |
| P2R Metal Fabrication Inc. | Clinton Township | MI | Subcontractor |
| Pacific Bearing Company | Roscoe | IL | Subcontractor |
| Pall Corporation | Cortland | NY | $0 |
| Partsnology And Metals, L.L.C. | Pike Road | AL | $0 |
| Patuxent Mill Works, LLC | Hollywood | MD | Subcontractor |
| Perma Graphics Inc. | Westfield | MA | $0 |
| PMF Industries, Inc. | Williamsport | PA | $0 |
| Polaris Laser Laminations, LLC | West Chicago | IL | $0 |
| Pompanette, LLC | Charlestown | NH | $0 |
| Porvair Filtration Group Limited | Segensworth | FAREHAM | Subcontractor |
| Potomac Steel, Inc. | Springfield | VA | $0 |
| Precision Manufacturing Group LLC | Cedar Grove | NJ | Subcontractor |
| Precision Metal Industries, Inc. | Pompano Beach | FL | Subcontractor |
| Pressure Specialties Incorporated | Roseburg | OR | $0 |
| Prince & Izant LLC | Cleveland | OH | Subcontractor |
| Print Metal LLC | Carson | CA | Subcontractor |
| Process Manufacturing Co. Inc. | Tulsa | OK | $0 |
| Progressive Fastening Inc. | Seattle | WA | Subcontractor |
| Progressive Metal Manufacturing Company | Warren | MI | Subcontractor |
| Prototech Laser, Inc. | Chesterfield | MI | Subcontractor |
| QDP, Inc. | Plymouth Meeting | PA | $0 |
| Quasar Industries Inc. | Rochester Hills | MI | Subcontractor |
| QWS, LLC | Morehead City | NC | $0 |
| Ranews Truck & Equipment Co. LLC | Milner | GA | $0 |
| Rapistak Corporation | Buffalo | NY | Subcontractor |
| Raymond Emc Enclosures Ltd. | Ottawa | ON | Subcontractor |
| Reelcraft Industries Inc. | Columbia City | IN | Subcontractor |
| Refining Systems Inc. | Las Vegas | NV | Subcontractor |
| Reitz, Charles | San Marcos | CA | $0 |
| Riverside Fabricators Inc. | Fredericksburg | VA | $0 |
| Rivers Metal Products, Inc. | Lincoln | NE | $0 |
| Rixstine Trophy Company, Inc. | Lincoln | NE | $0 |
| RMD Engineering Inc. | Saskatoon | SK | $0 |
| R.m. Machining, Inc. | San Carlos | CA | $0 |
| Rocal Inc. | Frankfort | OH | $0 |
| Roll N Rack LLC | Mukwonago | WI | $0 |
| Rosedale Products, Inc. | Ann Arbor | MI | Subcontractor |
| Ryan Metal Products Inc. | Kankakee | IL | $0 |
| Sabr Enterprises LLC | North Andover | MA | Subcontractor |
| Safe-t-rack Systems, Inc. | Rocklin | CA | $0 |
| Salteydogg Metal Fab LLC | Albuquerque | NM | $0 |
| Samson Metal & Machine, Inc. | Lakeland | FL | Subcontractor |
| Samtech Automotive USA, Inc. | Carson | CA | Subcontractor |
| Santier, Inc. | San Diego | CA | Subcontractor |
| S-bond Technologies, LLC | Harleysville | PA | Subcontractor |
| S.B.S. Precision Sheet Metal, Inc. | Melbourne | FL | Subcontractor |
| Schubemo Holdings, Inc. | Joplin | MO | $0 |
| Scientific Vacuum Sales & Support, Inc. | Albuquerque | NM | Subcontractor |
| Senior Operations LLC | Bartlett | IL | Subcontractor |
| Sfi, Inc. | Orlando | FL | Subcontractor |
| Shade Systems, Inc. | Ocala | FL | $0 |
| Shielding Resources Group Inc. | Tulsa | OK | Subcontractor |
| Shure Manufacturing Corporation | Washington | MO | $0 |
| Sko-die, LLC | Morton Grove | IL | Subcontractor |
| Sonju Industrial Coatings, Inc. | Kalispell | MT | Subcontractor |
| Sorge Industries, Inc. | Shelton | CT | Subcontractor |
| Sound Propeller Services, Inc. | Seattle | WA | Subcontractor |
| Southbridge Sheet Metal Works, Inc. | Sturbridge | MA | Subcontractor |
| Specialty Piping Products LLC | Theodore | AL | Subcontractor |
| Spirol Shim Corporation | Stow | OH | Subcontractor |
| Spitz Inc. | Chadds Ford | PA | $0 |
| S & S MFG. Co. | Klamath Falls | OR | $0 |
| Stainless Supply Inc. | Monroe | NC | $0 |
| Standard Die International, Inc. | Livonia | MI | $0 |
| Stateside Online Shopping | Perkinston | MS | $0 |
| Static Safe Products Co. | Cornwall Bridge | CT | $0 |
| Steelcraft Inc. | Stratford | ON | Subcontractor |
| Stephanians, Armik M | Valencia | CA | $0 |
| Stoddard Silencers Inc. | Grayslake | IL | $0 |
| St Pierre Manufacturing Corp. | Worcester | MA | $0 |
| Suhm Spring Works, Inc. | Houston | TX | $0 |
| Sunstream Corporation | Kent | WA | $0 |
| Superior Lighthouse Restoration LLC | Negaunee | MI | $0 |
| Systems Engineering And Manufacturing Inc. | Forest | VA | Subcontractor |
| Tallmadge Spinning & Metal Company | Akron | OH | $0 |
| Tandem Metal Products, Inc. | San Diego | CA | $0 |
| Targetworx, Inc. | Stevensville | MD | $0 |
| Taunton Stove Company, Inc. | North Dighton | MA | Subcontractor |
| Taycar Enterprises, Inc. | Albuquerque | NM | Subcontractor |
| Technetics Group Daytona, Inc. | Daytona Beach | FL | Subcontractor |
| Technifex Inc. | Santa Clarita | CA | $0 |