| BFBloomsdale Fabrication & Welding | Bloomsdale | MO | — | ◇ UNVERIFIED |
| BCBlue Chip Machine | Waite Park | MN | — | ◇ UNVERIFIED |
| BMBoise Metal Works | Boise | ID | — | ◇ UNVERIFIED |
| BMBoise Metal Works | Boise | ID | — | ◇ UNVERIFIED |
| BTBond Tool and Engineering INC | Kalamazoo | MI | — | ◇ UNVERIFIED |
| BTBridge Tool & Die LLC | Buckley | MI | — | ◇ UNVERIFIED |
| BIBriese Iron Works INC | Rochester | MN | — | ◇ UNVERIFIED |
| BMBrothers Machine & Tool INC | Jurupa Valley | CA | — | ◇ UNVERIFIED |
| BPBtd Precision, INC. | Chicopee | MA | — | ◇ UNVERIFIED |
| BMBurn-rite Mold and Machine INC. | Canton | OH | — | ◇ UNVERIFIED |
| BIBy-weld Industries, INC. | Bixby | OK | — | ◇ UNVERIFIED |
| CMCarolina Machining - Fabrication, INC | Youngsville | NC | — | ◇ UNVERIFIED |
| CMCasey Machine Company, INC. | Lancaster | NY | — | ◇ UNVERIFIED |
| CQCb Quality Machining - Engineering INC | Buffalo | MN | — | ◇ UNVERIFIED |
| CPCcz Precision Machining, LLC | Seabrook | NH | — | ◇ UNVERIFIED |
| CCCd Custom Enterprises LLC | Newton | KS | — | ◇ UNVERIFIED |
| CMCentral Machine Co., INC. | Quakertown | PA | — | ◇ UNVERIFIED |
| CFC & F Steel CORP. | Elmsford | NY | — | ◇ UNVERIFIED |
| CCChappell Central INC | Willmar | MN | — | ◇ UNVERIFIED |
| CBChesapeake Bay Steel, INC. | Norfolk | VA | — | ◇ UNVERIFIED |
| CSChip Star Technology LLC | Beaverton | OR | — | ◇ UNVERIFIED |
| CTChips Tool Repair INC | Anoka | MN | — | ◇ UNVERIFIED |
| COChoi Ornamental Iron Works Corporation Dba Best Iron Works | San Bernardino | CA | — | ◇ 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 |
| CMCommercial Metal Products INC | Springfield | OR | — | ◇ UNVERIFIED |
| CSCommercial Sheet Metal INC Dba Csm Metal | Los Angeles | CA | — | ◇ UNVERIFIED |
| CCConcept Coating | Fresno | CA | — | ◇ 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 |
| CICrank's Industrial Coating Service, LLC | Pekin | IL | — | ◇ UNVERIFIED |
| CDCreative Design & Machining INC. | South Abington Township | PA | — | ◇ UNVERIFIED |
 Creative Machining Technologies, INC. | East Moline | IL | — | ◇ UNVERIFIED |
| CRC R Industries, INC. | Cudahy | WI | — | ◇ UNVERIFIED |
| CTCriterion Tool & Die, INC. | Brookpark | OH | — | ◇ UNVERIFIED |
| CPCritical Path Metalworks INC | Silver Cliff | CO | — | ◇ UNVERIFIED |
| CMCr Manufacturing | Grand Island | NE | — | ◇ 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 |
| CMCustom Metal Fab INC | Scappoose | OR | — | ◇ 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 |
| 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 |
| DWDiversified Welding, INC. | West Fargo | ND | — | ◇ UNVERIFIED |
| DMD.n. Machining, INC. | Bradenton | FL | — | ◇ UNVERIFIED |
| DRDock Rite INC | Hutchinson | MN | — | ◇ 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 |
 Earnest Products, INC. | Longwood | FL | — | ◇ UNVERIFIED |
| EIEbcjr INC Casbe Industries | Temecula | CA | — | ◇ 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 |
| EAEl Arca Iron Works Mfg INC | Bellflower | CA | — | ◇ 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 |
| EIEnduracoat Industrial Coatings, INC. | Salem | OH | — | ◇ UNVERIFIED |
| ESEngy Southwest Container Products | Houston | TX | — | ◇ UNVERIFIED |
| EPEnterprise Pattern - Prototype INC | Jordan | MN | — | ◇ UNVERIFIED |
| EIEpcor Industrial, INC. | Elk Grove Village | IL | — | ◇ UNVERIFIED |
| EMExeter Machine CO INC | Lomira | WI | — | ◇ UNVERIFIED |
