| NINov Intelliserv. | Provo | UT | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| OIOfs International Houston Plant | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| POPact One Llc/ W Norriton Twp | Trooper | PA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| PTPeoria Tube Forming CORP | East Peoria | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SAShaw App Tubeline | New Brunswick | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SCShaw Connex Incorporated | Troutville | VA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPShaw Pipe a Div of Shaw Resources | New Iberia | LA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SWShaw Word Ind. Fabricators | Tulsa | OK | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPSouthland Pipe CORP. | Rialto | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| SPSteel Pipe Fabricators, LLC | Norcross | GA | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| TPTexas Pipe Works | Navasota | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TTThe Troxel Company | Moscow | TN | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| UCUnited Casing Tubular Services | Midland | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| USU S Steel Oilwell Services Wheeling Machine Produc | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| UEUtility Equipment Company | Bettendorf | IA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VTVallourec Tube Alloy | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VUVam USA Miller Rd | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| VAVictaulic Atlanta Manufacturing | Duluth | GA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WMWaste Management - Fairbanks Landfill | Houston | TX | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| WPWhitley Products, INC. | Plymouth | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| YYYost & Yost | Fairview | WV | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CICb & I | Clearfield | UT | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| EIEbcjr INC Casbe Industries | Temecula | CA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| NENew England Chimney Supply, INC. | Williston | VT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| NGNorma Group | Auburn Hills | MI | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| TBTube Bending Specialists INC | Coon Rapids | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| UTUpstate Trenchless LLC | Queensbury | NY | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
 106226 - Tube Processing Corporation | Southport | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1M106697 - Marson International LLC | Elkhart | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1M107608 - Marson International LLC | Elkhart | IN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1B128071 - Batt Fabricators, INC | Greensboro | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1A129154 - Anson Mechanical Piping, INC. | Charlotte | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1T129161 - Tube Specialties Co., INC. | Statesville | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 1R132849 - Rock Hill Industrial Piping - Fabrication, INC. | Charlotte | NC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 3W317708332 - Wolf Industries INC | Portland | OR | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 3T317709732 - Tube Forgings of America INC | Portland | OR | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| 3C317714717 - Custom Pipe & Coupling CO INC | Woodburn | OR | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 3T317721542 - Tubular Solutions INC | Portland | OR | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 5N57170 - National Chimney Kentucky LLC Dba Magnaflex | Mount Sterling | KY | Nonmetallic Mineral Product Manufacturing327123 | — | ◇ UNVERIFIED |
| 6L69533 - Leonhardt Pipe - Supply INC | Blackstock | SC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 6A69731 - American Mechanical - Piping INC | Cheraw | SC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 7C70044 - Commercial and Industrial Piping | Quinby | SC | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
 92065 - Truenorth Steel INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9N92272 - Northern Horizons INC | Solway | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9T92703 - Tube Products Corporation | Burnsville | MN | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| 9A93246 - Apn INC | Caledonia | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9F93974 - Flour City Bending INC | Big Lake | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9F94296 - Fastest INC | Saint Paul | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9F94829 - Ferguson Fire - Fabrication INC | Minneapolis | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| 9D95099 - Diversico Industries, INC. | Minneapolis | MN | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
