| HWHilltop Welding | Sidney | MT | — | ◇ UNVERIFIED |
| HMH M Electronics INC | Poway | CA | — | ◇ UNVERIFIED |
 Hobart Brothers Company | Troy | OH | — | ◇ UNVERIFIED |
| HCHti Cybernetics INC | Sterling Heights | MI | — | ◇ 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 |
| KKK & K Welding LLC | Austin | TX | — | ◇ UNVERIFIED |
| KKp-martin | Fort Bragg | NC | — | ◇ UNVERIFIED |
| LELakeland Electrical Motor Services, INC. | Comstock Park | MI | — | ◇ UNVERIFIED |
| LWLangford Welding & Fabrication | Roberta | GA | — | ◇ UNVERIFIED |
| LWLegendary Welding Services, LLC | Carlsbad | NM | — | ◇ UNVERIFIED |
| LWLeggs Welding INC | Bickmore | WV | — | ◇ UNVERIFIED |
| LWLimitless Welding Service LLC | Saint Joseph | MN | — | ◇ UNVERIFIED |
| LELincoln Electric Automation - Churubusco | Churubusco | IN | — | ◇ UNVERIFIED |
| LIL.J. Industries, Inc. | Sioux Falls | SD | — | ◇ UNVERIFIED |
| LJL J Industries INC | Sioux Falls | SD | — | ◇ UNVERIFIED |
| LCLog City Welding | Dundee | NY | — | ◇ UNVERIFIED |
| LCLoose Cannon Industries , LLC | Kyle | TX | — | ◇ UNVERIFIED |
| LPLos Portales Iron Works | El Paso | TX | — | ◇ UNVERIFIED |
| LFLrw Fabricators a Lake Road Welding Co., INC | Wichita Falls | TX | — | ◇ UNVERIFIED |
| LILtj Industrial Services LLC | Rifle | CO | — | ◇ UNVERIFIED |
| LCLudonja Construction Company, INC. | Fairfax | SC | — | ◇ UNVERIFIED |
| MWMaps Welding | Baytown | TX | — | ◇ UNVERIFIED |
| MWMariott Welding, INC | Bakersfield | CA | — | ◇ UNVERIFIED |
| MSMarket Street Realty, LLC | Green Bay | WI | — | ◇ UNVERIFIED |
| MIMarr Ironworks, INC. | Bakersfield | CA | — | ◇ UNVERIFIED |
