| OCOglivie Company INC the | Astoria | OR | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OSOhio Steel Industries | Pataskala | OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OEOmega Engineering INC | Bridgeport | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ONOmega Natchiq New Iberia Facility | New Iberia | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OSOne Source Systems LLC | Vicksburg | MS | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OSOrange State Steel Construction, INC | Pinellas Park | FL | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| OOOrchid Orthopedics | Arcadia | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OIOregon Iron Works INC 3001 | Vancouver | WA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OMOrion Marine Construction, INC | Tampa | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OMOrion Marine Construction, INC. | Tampa | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OMOrnamental Metalworks INC | Decatur | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OSOutland Steel, INC. | Caldwell | ID | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| OSOzark Steel Fabricators INC | Farmington | MO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PSPabrico Steel Fabricators | Paterson | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PIPacal Industries LLC | La Crosse | WI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PAParton and Preble INC | Warren | MI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PPPdm Precast | Carlisle | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PMPelican Metal Products LLC | Harrison Township | MI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PPPenz Products, INC. | Mishawaka | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PEPerformance Energy Services LLC - Amelia Yard | Morgan City | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PMPhilipp Mfg CO INC | Easthampton | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PHP & H Mining Equipment | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PMPhoenix Manufacturing CO | Memphis | TN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PMPhoenix Metalcraft | Phoenix | AZ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PVPinson Valley Fabricators INC | Birmingham, Al | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PAPioneer Aerospace CORP | Milton | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PCPioneer Consolidated | North Oxford | MA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PSPneu-mech Systems Manufacturing INC | Statesville | NC | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PSPortersville Sales & Testing/portersville | Portersville | PA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PWPorter Welding INC | Zanesville | OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
 Precision Build Solutions, LLC | Tampa | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PHPrecision Heat Treating | Montebello | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PIPreferred Industrial Coatings LLC | Houma | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PCPrime Coatings INC | Amelia | LA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PFProductivity Fabricators, INC. | Richmond | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PFPro Fab Tech LLC | Azusa | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PRProgress Rail Services CORP | Louisville | KY | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PCPurdy CO | Burnham | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| QPQsi Plant #2 | Dothan | AL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| QOQuality One Steel Design | Shelbyville | KY | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| QFQuicksteel Fab INC | Johnston | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| QJQuincy Joist Company | Quincy | FL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RMRam Machine Tooling INC | Picayune | MS | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RIRatliff Industries | Lumberton | TX | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RCRecycle City INC | Clifton City | NJ | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RSRedi Services LLC - Metal Parts Coating | Platteville | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RSResteel Supply Company, INC. | Warwick | RI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RSRichardson Steel INC | Spring Valley | CA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RTRipon Truck Repair & Equipment Llc-cs301 | Pickett | WI | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| RARippel Architectural Metals INC | Chicago | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
