| ATAztec Tubular Products | Crowley | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SNShaw Naptech INC | Clearfield | UT | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| APAzusa Pipe & Tube Bending | Azusa | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VSValiant Steel & Equipment, INC. | Norcross | GA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
 Advanced Drainage Systems | Mendota | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| ACAlternative Components | Warren | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| ABApex Blasting | Baytown | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| AFAptim Facilities INC | Prairieville | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| AIArvin Industries INC | Greenwood | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BMBarrington Manufacturing | El Dorado Springs | MO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| BTBent Tube INC | Fowlerville | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BFB F Shaw INC | Laurens | SC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BGBmc Global, LLC Dba Blissfield Manufacturing | Blissfield | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BRBoston Retail Products | Medford | MA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BSBuna Site | Buna | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| BCBundy CORP | Winchester | KY | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CMCapitol Manufacturing Lansing Facility | Lansing | OH | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CBC & B Piping,inc. Adamsville | Adamsville | AL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CPCemco Products Site | Everett | WA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CWClear Water Manufacturing | Madison Heights | VA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CFClute Facility | Clute | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CACore and Main LP | Renton | WA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CDCtp Div Nelson St | Indianapolis | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CSCtp Sheetmetal | Indianapolis | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CFCustom Fab Dba U.s. Pipe Fabrication | Phoenix | AZ | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| DTDover Tubular Alloys INC | Dover | NJ | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| DPDuco Pipe Manufacturing Facility | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| EHEvans Houston CORP | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FFFast Fabricator INC Dba Water Works Mfg | Olivehurst | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| FFFerguson Facility #3314 | Theodore | AL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GIGa Industries, Mars Facility Stormwater | Mars | PA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GFGem Fabrication | Renton | WA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GIGlobe Industrial LLC | Pekin | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| HMHarder Mechanical Fabrication Pipe Shop | Milwaukie | OR | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| HDHomalite Div of Brandywine Inv Group | Wilmington | DE | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| HFHutchinson Fts INC Livingston Division | Livingston | TN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| IPIndustrial Piping INC | Pineville | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| IPIndustrial Piping Specialists INC | Mcpherson | KS | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| ITIpsco Tubulars Oklahoma INC / 5610 Bird Creek Ave | Catoosa | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| LSLakeside Steel Alabama - Thomasville Finishing Works | Thomasville | AL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| LFLevco Fab INC | Ontario | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| LMLincoln Manufacturing North Plant | Magnolia | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| LILisega INC. | Newport | TN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MEMarkovitz Ents INC Flowline Div | Whiteville | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MCMcjunkin CORP | Princeton | WV | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MWMichigan Wire Die | Warren | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MFMountaineer Fabricators INC | Nitro | WV | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| NPNapa Pipe CORP | Napa | CA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| NTNational Tube Form | Ft Wayne | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| NGNelson Global - Fortune Circle | Indianapolis | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
