| CACarlos and Sons LLC | Amarillo | TX | — | ◇ UNVERIFIED |
| CFCdm Fab LLC | Salem | OR | — | ◇ UNVERIFIED |
| CWChamplin Welding | Point Judith | RI | — | ◇ UNVERIFIED |
| CFChase Fabrications LLC | Empire | CO | — | ◇ UNVERIFIED |
| CWChenoa Welding & Fabrication, INC. | Chenoa | IL | — | ◇ UNVERIFIED |
| CMCircle M Welding & Fabrication LLC | Eaton | CO | — | ◇ UNVERIFIED |
| CWCk Welding | Poway | CA | — | ◇ UNVERIFIED |
| CLC & L Machine and Welding INC. (dot# 439718) | Amelia Court House | VA | — | ◇ UNVERIFIED |
| CWCoastal Welding & Fabrication | Warm Springs | GA | — | ◇ UNVERIFIED |
| CPColumbia Psi LLC | Englewood | CO | — | ◇ UNVERIFIED |
| CIComau INC Warren | Warren | MI | — | ◇ UNVERIFIED |
| CTComplete Tooling Solutions LLC | Fraser | MI | — | ◇ UNVERIFIED |
| CQConstruction Quality LLC | Elizabeth | NJ | — | ◇ UNVERIFIED |
| CWCoss Welding Services, LLC | Odessa | TX | — | ◇ UNVERIFIED |
| CMCraftworx Metal & Fabrication LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| CMCraftworx Metal & Fabrication LLC | Jacksonville | FL | — | ◇ UNVERIFIED |
| CWCrawler Welding INC | Lake Crystal | MN | — | ◇ UNVERIFIED |
| CWCrever's Welding & Fabrication | Rome | NY | — | ◇ UNVERIFIED |
| CSC S Industries, LLC | Ludlow | MA | — | ◇ UNVERIFIED |
| CWCumley Welding & Skid Steer Services LLC | Weaubleau | MO | — | ◇ UNVERIFIED |
| CHCustom Heliarc Welding & Machine INC | Mount Bethel | PA | — | ◇ UNVERIFIED |
| CSCustom Steel & Stairs | East Greenwich | RI | — | ◇ UNVERIFIED |
| CECWF Enterprises, LLC | Wood Dale | IL | — | ◇ UNVERIFIED |
| DDDaily Dimes Mobile Welding LLC | Saint Michael | MN | — | ◇ UNVERIFIED |
| DGDax Global Holdings, LLC | Aumsville | OR | — | ◇ UNVERIFIED |
| DSDeep South Welding LLC | Coushatta | LA | — | ◇ UNVERIFIED |
| DFDelight Fabrication, LLC | Arcadia | LA | — | ◇ UNVERIFIED |
| DWDeluna Welding LLC | Bakersfield | CA | — | ◇ UNVERIFIED |
| DWDiversified Welding & Steel LLC | Salisbury | NC | — | ◇ UNVERIFIED |
| DBDonald Blake Ripley & Ralph Martin Barajas | Fresno | CA | — | ◇ UNVERIFIED |
| DDDS Duggins Welding | Winston Salem | NC | — | ◇ UNVERIFIED |
| DJDurkie Jacobs Dba Jacobs Welding Services | Fayetteville | NC | — | ◇ UNVERIFIED |
| DWDWT Welding and Railing LLC | Westminster | MD | — | ◇ UNVERIFIED |
| EMEastern Metal Works LLC | Chesapeake | VA | — | ◇ UNVERIFIED |
| ECEfrain Cerros-Ochoa | El Paso | TX | — | ◇ UNVERIFIED |
| ETElite Technologies INC | Fort Collins | CO | — | ◇ UNVERIFIED |
| ECEmerald Coast Professional Erectors, LLC | Santa Rosa Beach | FL | — | ◇ UNVERIFIED |
| EME&P Mobile Welding LLP | Verona | KY | — | ◇ UNVERIFIED |
| EEsab | Denton | TX | — | ◇ UNVERIFIED |
| EEsmoke | Lakewood | NJ | — | ◇ UNVERIFIED |
| EWEureka Welding Alloys INC | Madison Heights | MI | — | ◇ UNVERIFIED |
| EFExtreme Fabrication & Repair INC | Lehi | UT | — | ◇ UNVERIFIED |
| FWFab-rite Welding & Design, LLC | Waynesburg | OH | — | ◇ UNVERIFIED |
| FIFair Industries LLC | Troy | MI | — | ◇ UNVERIFIED |
| FWFitter Welding & Repair INC. | Whittier | CA | — | ◇ UNVERIFIED |
| FCFrank Custom Manufacturing LLC | New London | MN | — | ◇ UNVERIFIED |
| GBGalvan Brother's Service LLC | Alton | TX | — | ◇ UNVERIFIED |
| GWGarcia's Welding Shop | Mcallen | TX | — | ◇ UNVERIFIED |
| GWGarrison Welding LLC | Aurora | OR | — | ◇ UNVERIFIED |
| GWGarza Welding Gates & Fences | El Paso | TX | — | ◇ UNVERIFIED |
| GIGC Iron Inc. | Clearwater | MN | — | ◇ UNVERIFIED |
| GDGeneral Decor Mfg CORP | Mayaguez | PR | — | ◇ UNVERIFIED |
| GSGibbs & Sons, Inc. | Lake | MS | — | ◇ UNVERIFIED |
| GRGore Range Fabrications LLC | Silverthorne | CO | — | ◇ UNVERIFIED |
| GMGoy Mobile Welding LLC | Gila Bend | AZ | — | ◇ UNVERIFIED |
| GWGP Welding, LLC | Delano | MN | — | ◇ UNVERIFIED |
 Green Mountain Welding and Snow Plowing, LLC | Saint Albans | VT | — | ◇ UNVERIFIED |
 Griffin Welding LLC | Newtown | CT | — | ◇ UNVERIFIED |
| GMGrl Mfg LLC | Tenmile | OR | — | ◇ UNVERIFIED |
| GTGrossel Tool Company | Fraser | MI | — | ◇ UNVERIFIED |
| GIGulf Island Resources LLC | Ingleside | TX | — | ◇ UNVERIFIED |
| GSGws Services LLC | Taylorsville | NC | — | ◇ UNVERIFIED |
| HWHahn Welding: Industrial Drain | Gillette | WY | — | ◇ UNVERIFIED |
| HWHanson Welding & Fabrication, Inc. | Nephi | UT | — | ◇ UNVERIFIED |
| HFHarris Fabrication and Welding | Lancaster | MO | — | ◇ UNVERIFIED |
 Hart industries llc | Star | ID | — | ◇ UNVERIFIED |
| HMHeavy Metal Welding & Fabrication LLC | Somerset | NJ | — | ◇ UNVERIFIED |
| HSHerrick & Sons Inc. | North Brookfield | MA | — | ◇ UNVERIFIED |
| HEH. E. S. Enterprises, LLC | Houston | TX | — | ◇ UNVERIFIED |
| HIHesse Industrial Sales | Whitesboro | TX | — | ◇ UNVERIFIED |
| HWHilltop Welding | Sidney | MT | — | ◇ UNVERIFIED |
| HWHilltop Welding | Sidney | MT | — | ◇ UNVERIFIED |
| HMH M Electronics INC | Poway | CA | — | ◇ UNVERIFIED |
 Hobart Brothers Company | Troy | OH | — | ◇ UNVERIFIED |
| HUHumboldt Utilities - Welding Shop | Humboldt | TN | — | ◇ UNVERIFIED |
| HIHumphrey Industrial Solutions LLC | Bolivar | MO | — | ◇ UNVERIFIED |
| HWHye Welding LLC | Los Angeles | CA | — | ◇ UNVERIFIED |
| IDIndustrial Dynamic Services LLC | Lisbon | OH | — | ◇ UNVERIFIED |
| ILInnovative Laser Technologies LLC | Minneapolis | MN | — | ◇ UNVERIFIED |
| IMInnovative Mfg INC | Anaheim | CA | — | ◇ UNVERIFIED |
| IMInternational Mechanical Services, INC. | Port Aransas | TX | — | ◇ UNVERIFIED |
| IWIronworks Welding INC. | Killdeer | ND | — | ◇ UNVERIFIED |
| IMIsmael Madera Avila and Josie Avila | Los Banos | CA | — | ◇ UNVERIFIED |
| JHJames H. Jackson Industries | Pasadena | TX | — | ◇ UNVERIFIED |
| JOJames O'Brien Nicholson | Collins | MS | — | ◇ UNVERIFIED |
| JWJames Watts | Collins | MS | — | ◇ UNVERIFIED |
| JCJanda Company, INC | Corona | CA | — | ◇ UNVERIFIED |
| JEJetline Engineering Inc, Div of Itw | Irvine | CA | — | ◇ UNVERIFIED |
| JMJim Martin Machine Shop | Apopka | FL | — | ◇ UNVERIFIED |
| JWJm Weldco, Llc | Salvisa | KY | — | ◇ UNVERIFIED |
| JWJohnson Welding and Manufacturing Inc | Republic | MO | — | ◇ UNVERIFIED |
| JAJpd Associates, INC. | Yaphank | NY | — | ◇ UNVERIFIED |
| JAJuan A.Sanchez | Hobbs | NM | — | ◇ UNVERIFIED |
| JWJust Wright Welding LLC | La Verkin | UT | — | ◇ UNVERIFIED |
| KIK3 Industrial LLC | Boling | TX | — | ◇ UNVERIFIED |
| KWKCB Welding & Manufacturing, LLC | Iowa Falls | IA | — | ◇ UNVERIFIED |
| KWK&C Welding LLC | East Palestine | OH | — | ◇ UNVERIFIED |
| KWK&c Welding LLC | East Palestine | OH | — | ◇ UNVERIFIED |
| KWKJ Welding LLC | Garfield | NJ | — | ◇ UNVERIFIED |
| KKK & K Welding LLC | Austin | TX | — | ◇ UNVERIFIED |
