| LHL & H Iron INC Dba Lartech | San Jose | CA | — | ◇ UNVERIFIED |
| LNLiberal New Iron and Metal | Liberal | KS | — | ◇ UNVERIFIED |
| LALiberty Aluminum CO | Lehigh Acres | FL | — | ◇ UNVERIFIED |
| LFLiberty Fabricators INC | Flint | MI | — | ◇ UNVERIFIED |
 Liberty Welding & Iron Works CO. | Metairie | LA | — | ◇ UNVERIFIED |
| LTLife Time Gate | Tualatin | OR | — | ◇ UNVERIFIED |
| LGLight Gauge Solutions, Inc. | Arlington | TX | — | ◇ UNVERIFIED |
| LSLightning Steel, INC. | Plant City | FL | — | ◇ UNVERIFIED |
| LWLight's Welding Incorporated | Lititz | PA | — | ◇ UNVERIFIED |
| LPLinde Process Plants, INC. | Watford City | ND | — | ◇ UNVERIFIED |
| LELinder Enterprises INC | Mankato | MN | — | ◇ UNVERIFIED |
| LTLindsay Transportation Solutions INC. | Rio Vista | CA | — | ◇ UNVERIFIED |
| LILinton Industries, INC | Washington | NC | — | ◇ UNVERIFIED |
| LSLiphart Steel Company, INC. | Verona | VA | — | ◇ UNVERIFIED |
| LCLippert Compenents - Plant 120 | Burnsville | MS | — | ◇ UNVERIFIED |
 Lippert Components | Goshen | IN | — | ◇ UNVERIFIED |
| Lippert Components INC | Goshen | IN | — | ◇ UNVERIFIED |
| Lippert Components, INC. | Jackson Center | OH | — | ◇ UNVERIFIED |
| Lippert Components INC Plant 20 | Longview | TX | — | ◇ UNVERIFIED |
| LCLippert Componets Plant 59 | Elkhart | IN | — | ◇ UNVERIFIED |
| LPLippert Plant 85 | Goshen | IN | — | ◇ UNVERIFIED |
| LILitecrete, INC. | Miami | FL | — | ◇ UNVERIFIED |
| LSLittell Steel Co/bridgewater | New Brighton | PA | — | ◇ UNVERIFIED |
| LJLittle Joe's Welding and Sons, INC. | Bossier City | LA | — | ◇ UNVERIFIED |
| LWLittle Washington Fabrications, INC. | Middletown | PA | — | ◇ UNVERIFIED |
| LFLivingston Family Trust Dated August 24,2020 | El Cajon | CA | — | ◇ UNVERIFIED |
| LTLivonia Tool and Laser | Litchfield | MI | — | ◇ UNVERIFIED |
| LILiw INC | Ramsey | MN | — | ◇ UNVERIFIED |
| LALj Allstar Enterprises, INC. | Moore | OK | — | ◇ UNVERIFIED |
| LILjl Ironworks LLC | Burlington | WA | — | ◇ UNVERIFIED |
| LGL.k. Goodwin Co., INC. | Providence | RI | — | ◇ UNVERIFIED |
| LOL&L Ornamental | Albany | OR | — | ◇ UNVERIFIED |
| LELLS Enterprises, Corp. | Freetown | MA | — | ◇ UNVERIFIED |
| LELmc Enterprises INC Dba Lowry Manufacturing CO | Lowry | MN | — | ◇ UNVERIFIED |
| LILm Industrial, INC. | Orlando | FL | — | ◇ UNVERIFIED |
| LML. & M. Ornamental Iron Co, INC. | Knoxville | TN | — | ◇ UNVERIFIED |
| LMLmt Mercer Group INC | Lawrenceville | NJ | — | ◇ UNVERIFIED |
| LML & M Welding, Inc. | Chicago | IL | — | ◇ UNVERIFIED |
| LML & M Welding INC | Tangent | OR | — | ◇ UNVERIFIED |
| LBL.n. Bross CO. INC. | Palmyra | MO | — | ◇ UNVERIFIED |
| LML&n Metal Works LLC | Gillett | WI | — | ◇ UNVERIFIED |
| LFLodi Fab Industries INC | Lodi | CA | — | ◇ UNVERIFIED |
| LOLoftus Ornamental Iron INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| LOLoftus Ornamental Iron INC | Plymouth | MN | — | ◇ UNVERIFIED |
| LLokes | Clovis | CA | — | ◇ UNVERIFIED |
| LDLonestar Dock Products LLC. | Mount Pleasant | TX | — | ◇ UNVERIFIED |
| LTLonestar Tooling Solutions | San Antonio | TX | — | ◇ UNVERIFIED |
| LBLong Beach/msm Enterprises | Long Beach | CA | — | ◇ UNVERIFIED |
| LPLookout Plating, INC. | Chattanooga | TN | — | ◇ UNVERIFIED |
| LILoran INC | Redlands | CA | — | ◇ UNVERIFIED |
