| Intricate Edm LLC | Lancaster | PA | Subcontractor |
| Inventex, Inc. | W Nottingham | NH | Subcontractor |
| Ipanel Systems (ips), Inc. | Santa Clarita | CA | $0 |
| Iq Metals Inc. | Victor | MT | $0 |
| Ivan Jukic & Jure Jukic Partners | Milford | CT | Subcontractor |
| Jabil Defense And Aerospace Services, LLC | Grand Junction | CO | Subcontractor |
| Jaguar Precision Machine LLC | Albuquerque | NM | Subcontractor |
| James Tool, Machine & Engineering, Inc. | Morganton | NC | Subcontractor |
| J And B Manufacturing Inc. | Fort Walton Beach | FL | Subcontractor |
| J And K Manufacturing Inc. | Paramount | CA | Subcontractor |
| JBK Machining | Berkeley Springs | WV | $0 |
| J B Tool Die & Engineering Co. Inc. | Fort Wayne | IN | Subcontractor |
| Jc Custom Machining & Design, Inc. | Hillsboro | OR | $0 |
| Jc Machine, Inc. | Lakeland | FL | Subcontractor |
| JCM Engineering Corp. | Ontario | CA | Subcontractor |
| Jd Machine Corp. | Ogden | UT | Subcontractor |
| J/e Bearing & Machine Limited | Tillsonburg | ON | Subcontractor |
| Jeb Modern Machines, Limited | Republic | OH | $0 |
| J & E Industries, Inc. | Jermyn | PA | Subcontractor |
| Jejobele Corp. | Tamuning | GU | Subcontractor |
| Jennison Corp. | Carnegie | PA | $0 |
| J&e Precision Machining, Inc. | San Jose | CA | $0 |
| J&e Precision Tool, LLC | Southampton | MA | Subcontractor |
| Jesse Alvarado | Lancaster | CA | Subcontractor |
| J'evac Machine, Inc. | Magnolia | AR | Subcontractor |
| J F Machine Shop Inc. | West Babylon | NY | Subcontractor |
| J. I. Machine Company, Inc. | San Diego | CA | Subcontractor |
| J J Engineering Inc. | Los Alamitos | CA | Subcontractor |
| JJR Engineering & Fabrication Inc. | Woodinville | WA | Subcontractor |
| J & L Precision Machine Co. Inc. | Bethlehem | PA | $0 |
| J & M Machine Products Inc. | Norton Shores | MI | Subcontractor |
| Joe Baker Equipment Sales Inc. | Cincinnati | OH | $0 |
| John J. Steuby Company | Hazelwood | MO | Subcontractor |
| John R. Bromiley Company Inc. | Chalfont | PA | $0 |
| Johnson Machine Inc. | Owasso | OK | $0 |
| John W. Heaton, Inc. | Aiken | SC | Subcontractor |
| Jonesboro Tool & Die Company, Inc. | Jonesboro | AR | Subcontractor |
| Joseph A Bellitti Jr | Woburn | MA | Subcontractor |
| Jr Machine LLC | Shawano | WI | Subcontractor |
| JSB Holdings, Inc. | Phoenix | AZ | Subcontractor |
| J. Stadler Machine, Inc. | Oshkosh | WI | Subcontractor |
| JTJ Engineering, Inc. | Severna Park | MD | $0 |
| J & T Manufacturing & Engineering | San Diego | CA | Subcontractor |
| J.V. Precision Machine Co. | Seymour | CT | Subcontractor |
| JWP Manufacturing | Santa Clara | CA | Subcontractor |
| Kadon Aerospace LLC | Rockford | IL | Subcontractor |
| Kal Manufacturing Corporation | Webster | NY | Subcontractor |
| K And W Tool And Machine, Inc. | Greenville | MI | $0 |
| Kap Manufacturing, Inc. | San Dimas | CA | Subcontractor |
| Kaskaskia Tool And Machine, Inc. | New Athens | IL | Subcontractor |
| Kaspar Machine LLC | Waco | TX | Subcontractor |
| Keen Industries, Inc. | Halethorpe | MD | $0 |
| K & E, Inc. | Torrance | CA | Subcontractor |
| Kelley Engineering, LLC | Pelzer | SC | Subcontractor |
| Kencoa Aerospace LLC | Eastman | GA | Subcontractor |
| K & E Plastics, Inc. | Bennington | VT | Subcontractor |
| Ketco Inc. | Beavercreek | OH | Subcontractor |
| Keystone Precision & Engineering, LLC | Pepperell | MA | $0 |
| Key Systems, Inc. | Victor | NY | Subcontractor |
| Kilgore Manufacturing Co. Inc. | Columbia City | IN | Subcontractor |
| Kimastle Corporation | Chesterfield | MI | $0 |
| King Machine, LLC | Mukilteo | WA | Subcontractor |
| Kin-tech MFG Inc. | Irwin | PA | Subcontractor |
| Kk Industries Corp. | Tempe | AZ | Subcontractor |
| Kk Tool Co. | Springfield | OH | Subcontractor |
| KLH Industries, Inc. | Germantown | WI | Subcontractor |
| K & M Engineering, Inc. | Marlborough | MA | Subcontractor |
| K & M Machine-fabricating, Inc. | Cassopolis | MI | Subcontractor |
| Kn Machine & Tools, Inc. | Jupiter | FL | $0 |
| Knox Machine Co. | Warren | ME | Subcontractor |
| Knust-godwin LLC | Katy | TX | Subcontractor |
| Kosmo Machine Inc. | Sandston | VA | Subcontractor |
| Kremin Inc. | Frankenmuth | MI | Subcontractor |
| Krisalis Precision Machining | San Andreas | CA | Subcontractor |
| K.t. Engineering Corp. | Compton | CA | Subcontractor |
| Kurt Manufacturing Company, Inc. | Fridley | MN | Subcontractor |
| Kustom Koncepts, Inc. | Casper | WY | $0 |
| K-V Engineering, Inc. | Santa Ana | CA | Subcontractor |
| Kw Products, Inc. | Oldsmar | FL | Subcontractor |
| Lafayette Quality Products, Inc. | Lafayette | IN | Subcontractor |
| L. A. Gauge Company, Inc. | Sun Valley | CA | Subcontractor |
| Lai International, LLC | Westminster | MD | Subcontractor |
| Lakes Area Manufacturing Co. | Shafer | MN | Subcontractor |
| Lakota Industries, Inc. | Marysville | WA | Subcontractor |
| Lamjen Inc. | Erie | PA | $0 |
| Lamsco West, Inc. | Santa Clarita | CA | Subcontractor |
| Lanford Manufacturing Corporation | Lawrence | MA | Subcontractor |
| Langills General Machine, Incorporated | Sacramento | CA | $0 |
| Larkin Precision, LLC | Kent | WA | Subcontractor |
| Laser Specialists, Inc. | Fraser | MI | $0 |
| Laser Technology Associates LLC | Mount Laurel | NJ | $0 |
| Lathrom Manufacturing Inc. | Wichita | KS | $0 |
| Latva Machine, LLC | Newport | NH | $0 |
| La Vigna Precision Manufacturing, Inc. | San Jose | CA | Subcontractor |
| Leading Edge Machine LLC | Hyde Park | UT | Subcontractor |
| Leading Edge Manufacturing, LLC | Phoenix | AZ | Subcontractor |
| Leading Edge Metals & Alloys, Inc. | Torrance | CA | $0 |
| Lean Manufacturing Group LLC | Valencia | CA | Subcontractor |
| L. E. F., Inc. | Tulsa | OK | Subcontractor |
| Lenson Machine Inc. | Middle River | MD | Subcontractor |
