| CPCcz Precision Machining, LLC | Seabrook | NH | — | ◇ UNVERIFIED |
| CCCd Custom Enterprises LLC | Newton | KS | — | ◇ UNVERIFIED |
| CMCentral Machine Co., INC. | Quakertown | PA | — | ◇ UNVERIFIED |
| CCChappell Central INC | Willmar | MN | — | ◇ UNVERIFIED |
| CBChesapeake Bay Steel, INC. | Norfolk | VA | — | ◇ UNVERIFIED |
| CSChip Star Technology LLC | Beaverton | OR | — | ◇ UNVERIFIED |
| CACinchseal Associates INC. | Pennsauken | NJ | — | ◇ UNVERIFIED |
| CPCj Precision Industires INC | Signal Hill | CA | — | ◇ UNVERIFIED |
| CMClean Machine LLC | West Jordan | UT | — | ◇ UNVERIFIED |
 Cnc Precision Machine INC | Garrettsville | OH | — | ◇ UNVERIFIED |
| CICobb Industrial Fabricators | Acworth | GA | — | ◇ UNVERIFIED |
| CCCogitic Corporation | Colorado Springs | CO | — | ◇ UNVERIFIED |
| CSComtra Systems INC | Roseville | MN | — | ◇ UNVERIFIED |
| CMConcept Machine - Design INC | Rabbit Hash | KY | — | ◇ UNVERIFIED |
| CMCoweta Machine & Fabrication, INC. | Newnan | GA | — | ◇ UNVERIFIED |
| CICoxreels INC | Tempe | AZ | — | ◇ UNVERIFIED |
| CMCp Metal Crafters, INC. | Grover | NC | — | ◇ UNVERIFIED |
| CDCreative Design & Machining INC. | South Abington Township | PA | — | ◇ UNVERIFIED |
 Creative Machining Technologies, INC. | East Moline | IL | — | ◇ UNVERIFIED |
| CTCriterion Tool & Die, INC. | Brookpark | OH | — | ◇ UNVERIFIED |
| CPCritical Path Metalworks INC | Silver Cliff | CO | — | ◇ UNVERIFIED |
| CICrown Industrial Services | Ypsilanti | MI | — | ◇ UNVERIFIED |
| CECs Eng., INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| CAC.t. and S. Metalworks, INC. | Irving | TX | — | ◇ UNVERIFIED |
| CBCustom Biogenic Systems INC | Romeo | MI | — | ◇ UNVERIFIED |
| CECustom Expansion Joints | Liberty | MO | — | ◇ UNVERIFIED |
| CFCustom Fabricated Metals, LLC | Fontana | CA | — | ◇ UNVERIFIED |
| CMCustom Machine & Tool CO INC | Hanover | MA | — | ◇ UNVERIFIED |
| CPCustom Polishing INC. | Jackson Center | OH | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing Company, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DIDae Industries | Louisville | KY | — | ◇ UNVERIFIED |
| DTDagry Tooling INC | Owatonna | MN | — | ◇ UNVERIFIED |
| DTDas Technologies | Paw Paw | MI | — | ◇ UNVERIFIED |
| DADatum a Industries INC | Maple Plain | MN | — | ◇ UNVERIFIED |
| DIDcg-pmi, INC. | Bethel | CT | — | ◇ UNVERIFIED |
| DAD&d Aerospace Engineering | Garden Grove | CA | — | ◇ UNVERIFIED |
| DIDeburring INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| DSDeep South Machinist, LLC | Lafayette | LA | — | ◇ UNVERIFIED |
| DMDeffren Machine Tool Service INC. | Fairfield | OH | — | ◇ UNVERIFIED |
| DIDelta Iron Works INC | Detroit | MI | — | ◇ UNVERIFIED |
| DMDenver Machine Shop, INC. | Henderson | CO | — | ◇ UNVERIFIED |
| DTDiverse Tooling, INC. | Plymouth | WI | — | ◇ UNVERIFIED |
| DIDrasgow INC | Gainesville | NY | — | ◇ UNVERIFIED |
| DIDrp Industries | Granbury | TX | — | ◇ UNVERIFIED |
| DRD & R Steel Construction, INC. | Towanda | PA | — | ◇ UNVERIFIED |
| DPDuralum Products, INC | Sacramento | CA | — | ◇ UNVERIFIED |
| DEDuris Electro Plating INC | Springville | UT | — | ◇ UNVERIFIED |
| DMDutchman Manufacturing Company LLC | Traverse City | MI | — | ◇ UNVERIFIED |
| ELEconomasters, LLC | Tulsa | OK | — | ◇ UNVERIFIED |
| EAEdge Automation INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| ETEdm Tech Center INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| EJEdwin J. Mckenica & Sons, INC. | Buffalo | NY | — | ◇ UNVERIFIED |
| EPE&h Premier Machine, INC. | Luxemburg | WI | — | ◇ UNVERIFIED |
| EPEidemiller Precision Machining | Milford | MI | — | ◇ UNVERIFIED |
| EAElc American, Corporation | Bayville | NJ | — | ◇ UNVERIFIED |
| ETElite Tool LLC | Moscow Mills | MO | — | ◇ UNVERIFIED |
| EHEmil Hans Tool LLC Dba B - E Tool | Minneapolis | MN | — | ◇ UNVERIFIED |
| EFEmpire Foundry Production & Reclaim | Waterloo | IA | — | ◇ UNVERIFIED |
| EMEmpire Metal Products, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| ESEmpire State Specialty Metals, INC. | Springville | NY | — | ◇ UNVERIFIED |
| ELEmw LLC | Middleton | MA | — | ◇ UNVERIFIED |
| EPEnterprise Pattern - Prototype INC | Jordan | MN | — | ◇ UNVERIFIED |
| EIEpcor Industrial, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| EMExeter Machine CO INC | Lomira | WI | — | ◇ UNVERIFIED |
 Experimental Machine, INC. | Hunt Valley | MD | — | ◇ UNVERIFIED |
| FIFabex INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| FIFabtech INC | Goodhue | MN | — | ◇ UNVERIFIED |
| FTFab Tech Manufacturing INC | Prineville | OR | — | ◇ UNVERIFIED |
| FAFalcon Abrasive Manufacturing INC | Montclair | CA | — | ◇ UNVERIFIED |
| FFFalls Fabricating LLC | Little Falls | MN | — | ◇ UNVERIFIED |
| FSFalmer Screw Products & Mfg. | Youngstown | OH | — | ◇ UNVERIFIED |
| FGFireblast Global INC | Corona | CA | — | ◇ UNVERIFIED |
| FIFlexmation INC | Burnsville | MN | — | ◇ UNVERIFIED |
| FPFocal Point Design LLC | Chaska | MN | — | ◇ UNVERIFIED |
| FMForestville Machine CO | Plainville | CT | — | ◇ UNVERIFIED |
| FEFox Engineering LLC | Cambridge | MN | — | ◇ UNVERIFIED |
| FMFrb Machine, INC. | Emlenton | PA | — | ◇ UNVERIFIED |
| FRFred Ricci Tool Co., INC. | Johnston | RI | — | ◇ UNVERIFIED |
| FSFrontier Swiss LLC | Provo | UT | — | ◇ UNVERIFIED |
| FTFrontier Techni-kote Industries, LLC | Chino Valley | AZ | — | ◇ UNVERIFIED |
| GMGardner Metal Craft, INC. | Monroe | OH | — | ◇ UNVERIFIED |
| GMGaylord Machine & Fabrication LLC | Gaylord | MI | — | ◇ UNVERIFIED |
| GMGaylord Manufacturing CO | Ceres | CA | — | ◇ UNVERIFIED |
| GIGcl, INC. | Butler | PA | — | ◇ UNVERIFIED |
 Gem Manufacturing INC. | Rochester | NY | — | ◇ UNVERIFIED |
| GPGeneral Plastex, INC. | Barberton | OH | — | ◇ UNVERIFIED |
| GKG - K Machining INC | Cedar | MN | — | ◇ UNVERIFIED |
| GWGrinder Wear Parts, INC. | Largo | FL | — | ◇ UNVERIFIED |
| GFGround Force Worldwide, LLC (underground) | Post Falls | ID | — | ◇ UNVERIFIED |
| GTGsl Technology INC | Jackson | MI | — | ◇ UNVERIFIED |
| GCGulf Coast Fabricators, INC. | Theodore | AL | — | ◇ UNVERIFIED |
| GMGutherys Machine Shop* | Neosho | MO | — | ◇ UNVERIFIED |
| GMGuy Metals INC | Hammond | WI | — | ◇ UNVERIFIED |
| HMHagel Metal Fabrication, INC. | East Peoria | IL | — | ◇ UNVERIFIED |
| HMHarris Manufcaturing INC | Fresno | CA | — | ◇ UNVERIFIED |
| HIHartmanns INC | Abilene | TX | — | ◇ UNVERIFIED |
| HFH - F Manufacturing CO INC | Osseo | MN | — | ◇ UNVERIFIED |
| HMHialeah Metal Spinning | Hialeah | FL | — | ◇ UNVERIFIED |
| HSHostetler Sales & Construction LLC | Buffalo | MO | — | ◇ UNVERIFIED |
| HPHouser Products, LLC | Marion | OH | — | ◇ UNVERIFIED |
