| CECs Eng., INC. | Montgomery | AL | — | ◇ UNVERIFIED |
| CBCustom Biogenic Systems INC | Romeo | MI | — | ◇ UNVERIFIED |
| CFCustom Fabricated Metals, LLC | Fontana | CA | — | ◇ UNVERIFIED |
| CMCustom Machine & Tool CO INC | Hanover | MA | — | ◇ UNVERIFIED |
| CMCustom Metal Fab INC | Scappoose | OR | — | ◇ UNVERIFIED |
| CPCustom Polishing INC. | Jackson Center | OH | — | ◇ UNVERIFIED |
| CECutting Edge Manufacturing Company, INC. | Phoenix | AZ | — | ◇ UNVERIFIED |
| DTDagry Tooling INC | Owatonna | MN | — | ◇ UNVERIFIED |
| DMDane Mfg CO INC | Dane | WI | — | ◇ UNVERIFIED |
| DTDas Technologies | Paw Paw | MI | — | ◇ UNVERIFIED |
| DADatum a Industries INC | Maple Plain | MN | — | ◇ UNVERIFIED |
| DRDayton Rogers of South Carolina LLC | Columbia | SC | — | ◇ UNVERIFIED |
| DBD & B Precision Products, INC. | Colorado Springs | CO | — | ◇ 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 |
| DMD&g Metal Works, INC | Waterloo | IA | — | ◇ UNVERIFIED |
| DTDiverse Tooling, INC. | Plymouth | WI | — | ◇ UNVERIFIED |
| DMDiversified Machine INC | Waite Park | MN | — | ◇ UNVERIFIED |
| DIDrasgow INC | Gainesville | NY | — | ◇ UNVERIFIED |
| DIDrp Industries | Granbury | TX | — | ◇ UNVERIFIED |
| DPDuralum Products, INC | Sacramento | CA | — | ◇ UNVERIFIED |
| DEDuris Electro Plating INC | Springville | UT | — | ◇ UNVERIFIED |
| DMDutchman Manufacturing Company LLC | Traverse City | MI | — | ◇ UNVERIFIED |
 Earnest Products, INC. | Longwood | FL | — | ◇ 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 |
| 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 |
| EIEnduracoat Industrial Coatings, INC. | Salem | OH | — | ◇ 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 |
| EGExpress Gage INC | Romeo | MI | — | ◇ UNVERIFIED |
| FIFabex INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| FIFabtech INC | Goodhue | MN | — | ◇ UNVERIFIED |
| FAFalcon Abrasive Manufacturing INC | Montclair | CA | — | ◇ UNVERIFIED |
| FFFalls Fabricating LLC | Little Falls | MN | — | ◇ UNVERIFIED |
| FSFalmer Screw Products & Mfg. | Youngstown | OH | — | ◇ UNVERIFIED |
| FPFederal Prison Industries, INC | Bruceton Mills | WV | — | ◇ UNVERIFIED |
| FIFerreus Industries INC | Bluffdale | UT | — | ◇ UNVERIFIED |
| FFerroloy | Wichita | KS | — | ◇ UNVERIFIED |
| FIFibertech INC. | Elberfeld | IN | — | ◇ UNVERIFIED |
| FIFikeco INC | Cynthiana | KY | — | ◇ UNVERIFIED |
| FLFine Line Fabricating INC | Phoenix | AZ | — | ◇ UNVERIFIED |
| FLFine Line Metal Fabricators | Terrell | TX | — | ◇ UNVERIFIED |
| FIFlexmation INC | Burnsville | MN | — | ◇ UNVERIFIED |
| FPFocal Point Design LLC | Chaska | MN | — | ◇ UNVERIFIED |
| FMForestville Machine CO | Plainville | CT | — | ◇ UNVERIFIED |
| FLFormacoat LLC | Savage | MN | — | ◇ 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 Manufacturing CO | Ceres | CA | — | ◇ UNVERIFIED |
 Gem Manufacturing INC. | Rochester | NY | — | ◇ UNVERIFIED |
| GPGeneral Plastex, INC. | Barberton | OH | — | ◇ UNVERIFIED |
| GKG - K Machining INC | Cedar | MN | — | ◇ UNVERIFIED |
| GFGranite Falls Coating INC | Granite Falls | MN | — | ◇ UNVERIFIED |
| GSGreg Screw Machine Products, INC. | Wood Dale | IL | — | ◇ UNVERIFIED |
| GWGrinder Wear Parts, INC. | Largo | FL | — | ◇ UNVERIFIED |
| GTGruber Tool & Die, INC. | West Bend | WI | — | ◇ 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 |
| HHHammer Haag Steel INC. | Clearwater | FL | — | ◇ 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 |
| HMHummel Machine & Tool CO | Kearny | NJ | — | ◇ UNVERIFIED |
| HHHunt & Hunt | Houston | TX | — | ◇ UNVERIFIED |
| HPHuntington Partners INC Dba Continental Tool Mfg | Lenexa | KS | — | ◇ UNVERIFIED |
| HPHygrade Precision Technologies, INC. | Plainville | CT | — | ◇ UNVERIFIED |
 Ideal Industries INC | Princeton | MN | — | ◇ UNVERIFIED |
| IMIker Manufacturing INC | Saint Michael | MN | — | ◇ UNVERIFIED |
| IFIndustrial Finishing Services INC | Perham | MN | — | ◇ UNVERIFIED |
| IMIndustrial Metal Cleaning Corporation | Norton Shores | MI | — | ◇ UNVERIFIED |
| IFInnovative Fabrication INC | Lowell | MA | — | ◇ UNVERIFIED |
| IMIntegrite Manufacturing CORP | Elk River | MN | — | ◇ UNVERIFIED |
| ITIntegrity Tool & Engineering | Ramsey | MN | — | ◇ UNVERIFIED |
| ITIron Tiger Manufacturing | Sedalia | MO | — | ◇ UNVERIFIED |
| JCJ - C Custom Tooling LLC | Lake Crystal | MN | — | ◇ UNVERIFIED |
