| AFAPP Flange - 650 | Houston | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| AMAppian Manufacturing Corp | Columbus | OH | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| AIArkansas Iron & Pipe LLC | Salem | AR | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
ASC Engineered Solutions: Greencastle | Greencastle | PA | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
ASC Engineered Solutions: Waynesboro | Waynesboro | PA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| AIAtlantic Industrial, Mechanical and Environmental, INC. | Baltimore | MD | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
Atomic Industries LLC | Billings | MT | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| BTBay Tube & Machining LLC. | Fremont | CA | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| BSBroad St. | Louisville | OH | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| BBurbank | Burbank | WA | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| CPC&B Piping (East), Inc. | Amherst | VA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CACFS a division of Michels Pipeline Inc | Carrolton | MO | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CCCherokee Culvert Co., INC. | Macon | GA | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| CSChurch Street Zekelman Industires | Farrell | PA | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| CPConsolidated Pipe & Tube CO | Lubbock | TX | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| CIConstellation Industries | Houston | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CIConstellation Industries (Weedy) | Houston | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| CPCore Pipe Products, Inc. | Carol Stream | IL | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication / Anaheim | Anaheim | CA | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc. / Conroe | Conroe | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc. / Grand Island | Grand Island | NE | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc. / Lubbock | Lubbock | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc / Phoenix | Phoenix | AZ | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc. / Winter Haven | Winter Haven | FL | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| CPCustom Pipe & Fabrication, Inc. / Woodburn | Woodburn | OR | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| DTDakota Tube- Airport Drive location | Watertown | SD | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| DTDakota Tube Inc. - Pheasant Ridge location | Watertown | SD | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| DMDixie Mechanical Inc | Tuscaloosa | AL | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| DRDonohoe Road | Greensburg | PA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| DIDRP Industries, LP | Morgan Mill | TX | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| ETElkhart Tri-Went Industrial | Geneva | IN | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| EPEpic Piping Distribution | Houston | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| EPEpic Piping - Lake Providence | Lake Providence | LA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| EWErickson Welding LLC | Arimo | ID | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| EEETI Elkhart / Tri-Went Industrial | Knoxville | TN | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| EFEXCEL Fabrication | Gonzales | LA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| EAEz Aero Mfg INC. | Hampstead | MD | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| GFGeneration Fsh LLC | Tulsa | OK | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| GGheen | Harrisburg | OR | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| GIGheen Irrigation | Eugene | OR | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| GPGm Pipe, LLC | Espanola | NM | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| GPGMS Piling Products | Hanover Township | PA | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| GGorgas | Louisville | OH | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| GGrandbending | Marietta | GA | Fabricated Metal Product Manufacturing332996 | 1-19 | ◐ LIKELY ACTIVE |
| GPGrant Prideco Navasota | Navasota | TX | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
High Density Poly Enterprises INC | Mulberry | FL | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| HPHigh Purity Systems, INC | Manassas | VA | Fabricated Metal Product Manufacturing332996 | — | ◐ LIKELY ACTIVE |
| HBHoyt, Brumm & Link | Ferndale | MI | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| HEHunting Energy Services Subsea Technology Division | Spring | TX | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| HAHVAC and Plumbing Fab Shop | Baltimore | MD | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |