| YIYellowstone Industrial LLC | Girard | OH | 20–99 | ● ACTIVE |
Young Engineers Inc., the | Lake Forest | CA | 20–99 | ● ACTIVE |
Zeyon INC | Erie | PA | 20–99 | ● ACTIVE |
| ZTZimmer Trabecular Metal Technology | Parsippany | NJ | 100–499 | ● ACTIVE |
Zircon Precision Products, LLC | Tempe | AZ | — | ● ACTIVE |
Zober Industries, INC | Croydon | PA | 100–499 | ● ACTIVE |
110 Metalworks, INC. | Liverpool | NY | 20–99 | ● ACTIVE |
3d Systems INC | San Diego | CA | — | ● ACTIVE |
3d Systems, INC. | Rock Hill | SC | — | ● ACTIVE |
3g Shielding Specialties, LLC | Oceanside | CA | — | ● ACTIVE |
| 3J3 J INC | Wellington | CO | — | ● ACTIVE |
5th Axis, INC | San Diego | CA | — | ● ACTIVE |
| 8L80/20, LLC | Columbia City | IN | — | ● ACTIVE |
901 D, LLC | New London | CT | 1–19 | ● ACTIVE |
| APA-1 Precision, INC | Vancouver | WA | 1–19 | ● ACTIVE |
A & a CO INC | South Plainfield | NJ | — | ● ACTIVE |
Aactron INC | Madison Heights | MI | — | ● ACTIVE |
A & a Industries, INC. | Peabody | MA | — | ● ACTIVE |
| ASAalberts Surface Treatment CORP | Fairburn | GA | 20–99 | ● ACTIVE |
| ASAalberts Surface Treatment CORP. | Baltimore | MD | — | ● ACTIVE |
A & a Machine & Development Company, INC. | Gardena | CA | — | ● ACTIVE |
| AAAbc Automotive Systems INC | London | KY | 500+ | ● ACTIVE |
Abco Bar and Tube Cutting Service, INC. | Maineville | OH | 20–99 | ● ACTIVE |
Abet Technologies, INC | Milford | CT | — | ● ACTIVE |
A Better Affect, INC. | Moorpark | CA | — | ● ACTIVE |
Above All Cnc, INC. | Goleta | CA | — | ● ACTIVE |
Abrams Airborne Manufacturing INC | Tucson | AZ | — | ● ACTIVE |
Absolute Powder Coating LLC | Albuquerque | NM | — | ● ACTIVE |
Abtech, INC. | Fitzwilliam | NH | — | ● ACTIVE |
A. B. Tools, INC | Lincoln | CA | — | ● ACTIVE |
Abtrex Industries INC | South Bend | IN | — | ● ACTIVE |
A&b Whit Solutions LLC | Seminole | FL | — | ● ACTIVE |
Accelerated Machine Design & Engineering LLC | Rockford | IL | — | ● ACTIVE |
Accumet Engineering, INC. | Devens | MA | — | ● ACTIVE |
| AIAccurate Industrial Machining, INC. | Holbrook | NY | — | ● ACTIVE |
Accurate Metal Finishing of Florida, INC. | Rockledge | FL | — | ● ACTIVE |
| AMAccurate Metal Machining, INC. | Painesville | OH | — | ● ACTIVE |
Accurate Tube Bending, INC. | Newark | CA | — | ● ACTIVE |
| AIAccu-rite Industries LLC | Shelby Township | MI | — | ● ACTIVE |
Accurus Aerospace Athens, LLC | Athens | GA | 100–499 | ● ACTIVE |
Accu-tool, LLC | Apex | NC | 20–99 | ● ACTIVE |
Accutrex Products INC | Canonsburg | PA | 100–499 | ● ACTIVE |
| APAcero Precision | West Chester | PA | 20–99 | ● ACTIVE |
Acjk CORP | Chesterfield | MI | — | ● ACTIVE |
| AFAcme Finishing CO LLC | Elk Grove Village | IL | 100–499 | ● ACTIVE |
Acme Industrial CO | Carpentersville | IL | 100–499 | ● ACTIVE |
| AMAcme Machine & Welding Co., LLC | Punxsutawney | PA | 100–499 | ● ACTIVE |
Acme Manufacturing CORP | Claremore | OK | 20–99 | ● ACTIVE |
| AIAcmt, INC. | Manchester | CT | 20–99 | ● ACTIVE |
| AMAcs Manufacturing INC | Abbeville | SC | 100–499 | ● ACTIVE |
Action Industries, INC. | Arvada | CO | — | ● ACTIVE |
Action Tool Service, INC. | Hampton | VA | — | ● ACTIVE |
Actron Entities, INC. | Clearwater | FL | — | ● ACTIVE |
Adaptive Stainless, INC. | Springfield | MO | 20–99 | ● ACTIVE |
Addison Sheet Metal INC | Carlsbad | CA | — | ● ACTIVE |
Adf Systems LTD | Humboldt | IA | — | ● ACTIVE |
Adiem Engineering Cnc LLC | Santee | CA | — | ● ACTIVE |
Advanced Ceramic Technology | Orange | CA | — | ● ACTIVE |
Advanced Electrical and Motor Controls, LLC | Irving | TX | 20–99 | ● ACTIVE |
Advanced Fabrication Services, INC. | Lemoyne | PA | — | ● ACTIVE |
Advanced Graphics, Incorporated | Stratford | CT | — | ● ACTIVE |
Advanced Grinding Incorporated | Oakland | CA | — | ● ACTIVE |
Advanced Ground Systems Engineering LLC | Santa Fe Springs | CA | — | ● ACTIVE |
| AHAdvanced Heat Treating INC | Loves Park | IL | — | ● ACTIVE |
| AIAdvanced Industrial Coatings | Stockton | CA | 20–99 | ● ACTIVE |
Advanced Industries INC | Chelsea | MI | — | ● ACTIVE |
Advanced Laser Machining, LLC | Chippewa Falls | WI | — | ● ACTIVE |
Advanced Machine & Engineering CO | Rockford | IL | 100–499 | ● ACTIVE |
Advanced Machine INC | Winchester | TN | — | ● ACTIVE |
Advanced Machine & Tooling, INC. | Virginia Beach | VA | — | ● ACTIVE |
Advanced Materials Technologies, LLC | Chandler | AZ | — | ● ACTIVE |
Advanced Precision Engineering Incorporated | Ipswich | MA | — | ● ACTIVE |
Advanced Prototype Molding, INC. | Wauconda | IL | — | ● ACTIVE |
Advanced Prototyping INC | Rochester Hills | MI | — | ● ACTIVE |
Advanced Surface Technologies, INC. | Arvada | CO | — | ● ACTIVE |
Advanced Technical Finishing, LLC | Huntsville | AL | — | ● ACTIVE |
Advanced Theoretical Concepts, INC. | Camarillo | CA | — | ● ACTIVE |
Advanced Tool, INC. | Marcy | NY | — | ● ACTIVE |
Ad-vance Magnetics INC | Rochester | IN | 20–99 | ● ACTIVE |
Advance Manufacturing Technology, INC. | Salt Lake City | UT | — | ● ACTIVE |
Advance Screw Products, INC | Saint Francis | WI | — | ● ACTIVE |
Advance Tool CO INC | Safety Harbor | FL | — | ● ACTIVE |
| AMAdvantage Metal Products, INC. | Livermore | CA | 20–99 | ● ACTIVE |
Advantech Industries, INC. | Rochester | NY | 100–499 | ● ACTIVE |
Aequs Aero Machine, INC. | Paris | TX | 20–99 | ● ACTIVE |
Aerex Industries, INC | Fort Pierce | FL | — | ● ACTIVE |
Aero Bending Company | Palmdale | CA | — | ● ACTIVE |
| AEAerodynamic Engineering INC | Huntington Beach | CA | — | ● ACTIVE |
Aero Dynamic Machining, INC | Garden Grove | CA | — | ● ACTIVE |
Aero Engineering & Manufacturing Company of California, LLC | Valencia | CA | — | ● ACTIVE |
Aerofab Industries, INC. | Arlington | WA | — | ● ACTIVE |
| AIAero Industries, LLC | Buellton | CA | — | ● ACTIVE |
Aero-mechanical Engineering, INC | Huntington Beach | CA | — | ● ACTIVE |
Aero Mechanism Precision, INC. | Chatsworth | CA | — | ● ACTIVE |
Aeromil Industrial Coatings LLC | Phoenix | AZ | — | ● ACTIVE |
Aeron Group, L.l.c. | Broken Arrow | OK | — | ● ACTIVE |
Aerospace Engineering, LLC | Brea | CA | 100–499 | ● ACTIVE |
Aerospace Fabrications of Georgia INC | Dallas | GA | — | ● ACTIVE |
| ASAero Space Tooling & Machining | Salt Lake City | UT | — | ● ACTIVE |
Aero-tech Mfg. INC | North Salt Lake | UT | — | ● ACTIVE |