| OWOhio Wire Form & Spring Company | Columbus | OH | — | ◇ UNVERIFIED |
| OPOhv Plant | Fort Worth | TX | — | ◇ UNVERIFIED |
| OGOldenburg Group INC | Ontonagon | MI | — | ◇ UNVERIFIED |
| OGOldenburg Group INC | Claremont | NH | — | ◇ UNVERIFIED |
 Olsen Chain & Cable - Edina | Edina | MN | — | ◇ UNVERIFIED |
| Olsen Chain - Cable INC | Moorhead | MN | — | ◇ UNVERIFIED |
| OHOmnisource Heavy Media | Fort Wayne | IN | — | ◇ UNVERIFIED |
| OLOrganized Living | Bloomington | IN | — | ◇ UNVERIFIED |
| OOrtech | Kirksville | MO | — | ◇ UNVERIFIED |
| PRPaducah Rigging, INC. | Reserve | LA | — | ◇ UNVERIFIED |
| PAPage Alumnized Steel | Monessen | PA | — | ◇ UNVERIFIED |
| PCPanduit CORP | Romeoville | IL | — | ◇ UNVERIFIED |
| PIPeace Industries LTD | Rolling Meadows | IL | — | ◇ UNVERIFIED |
| PWPeltier Wire Cloth Company | Saint Paul | MN | — | ◇ UNVERIFIED |
| PCPengo Corporation | Union City | CA | — | ◇ UNVERIFIED |
| PCPennsylvania Crusher Corporation | Cuyahoga Falls | OH | — | ◇ UNVERIFIED |
| PWPentwater Wire Products, INC. | Pentwater | MI | — | ◇ UNVERIFIED |
| PSPerfection Spring & Stamping CORP | Mount Prospect | IL | — | ◇ UNVERIFIED |
| PMPetitto Mine Equipment INC | Morgantown | WV | — | ◇ UNVERIFIED |
| PMPetschke Manufacturing Company INC. | Mount Clemens | MI | — | ◇ UNVERIFIED |
| PWPfeifer Wire Rope & Lifting Technology | Hampton | VA | — | ◇ UNVERIFIED |
| PMPhillips Machine Service INC | Beckley | WV | — | ◇ UNVERIFIED |
| PHP & H Mine Pro Services | Elko | NV | — | ◇ UNVERIFIED |
| PHP & H Mine Pro Services-main | Elko | NV | — | ◇ UNVERIFIED |
| PWPhoenix West Stable Products & Engraving | Irwindale | CA | — | ◇ UNVERIFIED |
 Pillar Innovations | Farmington | NM | — | ◇ UNVERIFIED |
| PCPizzo Contracting, INC. | Toms River | NJ | — | ◇ UNVERIFIED |
| PCPleasanton Car Wash INC | Pleasanton | CA | — | ◇ UNVERIFIED |
| PRPope Rigging Loft INC | Portland | OR | — | ◇ UNVERIFIED |
| PCPortable Concrete Batch Plant | Sundance | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening E | Sweetwater County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening E | Converse County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening E | Goshen County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening E | Carbon County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening E | Fremont County | WY | — | ◇ UNVERIFIED |
| PCPortable Crushing/screening Equipment (p0023193) | Carbon | WY | — | ◇ UNVERIFIED |
| PDPortable Dredging Equipment ( | Natrona County | WY | — | ◇ UNVERIFIED |
| PSPortable Screening Equipment | Johnson County | WY | — | ◇ UNVERIFIED |
| PSPortable Screening Equipment | Atlantic City | WY | — | ◇ UNVERIFIED |
| PNPrebena N. A. Fastener CORP. | Bridgeport | WV | — | ◇ UNVERIFIED |
| PIPrecision Ironworks | Boise | ID | — | ◇ UNVERIFIED |
| PKPrecision Kidd Steel/aliquippa | Aliquippa | PA | — | ◇ UNVERIFIED |
| PWPreferred Wire Products, INC. | Clovis | CA | — | ◇ UNVERIFIED |
| PMPremiere Manufacturing Corporation | Henderson | TN | — | ◇ UNVERIFIED |
| PWPrestolite Wire Copy | Southfield | MI | — | ◇ UNVERIFIED |
| PIProgressive Industries | Morgantown | WV | — | ◇ UNVERIFIED |
| PRProgress Rail Services-danvers Trackwork | Danvers | IL | — | ◇ UNVERIFIED |
| PWProgress Wire Products CO. | Cleveland | OH | — | ◇ UNVERIFIED |
| PPPronto Products Co. | San Diego | CA | — | ◇ UNVERIFIED |
| PPPronto Products Co. | San Diego | CA | — | ◇ UNVERIFIED |
| PSPr Steel Products CORP | Ponce | PR | — | ◇ UNVERIFIED |
| PFPurolator Facet Dba Parker Ipf Metalics | Greensboro | NC | — | ◇ UNVERIFIED |
| PIPyrotek Incorporated | Columbia City | IN | — | ◇ UNVERIFIED |
| QMQuality Materials INC | Chicago Heights | IL | — | ◇ UNVERIFIED |
| RIRacine Iron & Wire Works, INC | Racine | WI | — | ◇ UNVERIFIED |
| RHRamsay Highlander INC. | Gonzales | CA | — | ◇ UNVERIFIED |
 Rapid Manufacturing | Orange | CA | — | ◇ UNVERIFIED |
| RBR & B Wire Prod. INC | Santa Ana | CA | — | ◇ UNVERIFIED |
| RCRexnord CORP | Springfield | MA | — | ◇ UNVERIFIED |
| RWRFC Wire Forms, Inc., a California corporation | Ontario | CA | — | ◇ UNVERIFIED |
| RCRfs Cablewave Systems | North Haven | CT | — | ◇ UNVERIFIED |
| RIRipley Industries INC | Iuka | MS | — | ◇ UNVERIFIED |
| RERock Engineered Machinery Co, INC. Dba Remco | Livermore | CA | — | ◇ UNVERIFIED |
| RERock Engineered Machinery Company INC Dba Remco | Stockton | CA | — | ◇ UNVERIFIED |
| RIRockmore International INC | Wilsonville | OR | — | ◇ UNVERIFIED |
| RWRockShield - WI LLC | Milltown | WI | — | ◇ UNVERIFIED |
| RTRock Tough INC | Redmond | OR | — | ◇ UNVERIFIED |
| RIRon-vik INC | Minneapolis | MN | — | ◇ UNVERIFIED |
| RMRoyal Metal Finishing | Schiller Park | IL | — | ◇ UNVERIFIED |
| RWRoyal Wire Products, INC. | Las Vegas | NV | — | ◇ UNVERIFIED |
| RPR Parapi Trucking INC | South Hackensack Twp | NJ | — | ◇ UNVERIFIED |
| RSR & S Safety Products, LLC. | Vineland | NJ | — | ◇ UNVERIFIED |
| SSafe-fleet | Belton | MO | — | ◇ UNVERIFIED |
| SSSafety Sling Company, INC. | Pittsburgh | PA | — | ◇ UNVERIFIED |
| SESalco Engineering & Manufacturing | Jackson | MI | — | ◇ UNVERIFIED |
| STSalem Tool INC | City of Corbin | KY | — | ◇ UNVERIFIED |
| STSalem Tool INC | Woodbine | KY | — | ◇ UNVERIFIED |
| SMSandvik Mining and Construction USA LLC | Brier Hill | PA | — | ◇ UNVERIFIED |
| SMSandvik Mining and Construction Usa, LLC | Elko | NV | — | ◇ UNVERIFIED |
| SLSb3h5 LLC | Hayward | CA | — | ◇ UNVERIFIED |
| SBS Burger Wire & Tubing INC | Middlesex | NJ | — | ◇ UNVERIFIED |
| SISchaff International, LLC | Lake Zurich | IL | — | ◇ UNVERIFIED |
| SFSchauenberg Flexadux Corporation | Grand Junction | CO | — | ◇ UNVERIFIED |
| SFSchauenburg Flexadux CORP | Fairmont | WV | — | ◇ UNVERIFIED |
| SSSchrey & Sons Mold CO INC | Valencia | CA | — | ◇ UNVERIFIED |
| SRSCS Real Estate Holdings LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| SCSeattle City North Service Center | Seattle | WA | — | ◇ UNVERIFIED |
| SCSecurity Contractor Services, Inc. | Sacramento | CA | — | ◇ UNVERIFIED |
| SCSenju Comtek Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| SEShamrock Enterprises - Nonmetallic | Rochester | MN | — | ◇ UNVERIFIED |
| SLSharrow Lifting Products | Little Canada | MN | — | ◇ UNVERIFIED |
| SSSilver State | Las Vegas | NV | — | ◇ UNVERIFIED |
| SNSimplex Nails, INC. | Americus | GA | — | ◇ UNVERIFIED |
| SSSlide Systems INC | Harbor City | CA | — | ◇ UNVERIFIED |
| SRSmi Real Estate LLC | Stoneboro | PA | — | ◇ UNVERIFIED |
 Snyder Mfg. CO. | New Sharon | IA | — | ◇ UNVERIFIED |
| SWSonco Worldwide INC | Bladensburg | MD | — | ◇ UNVERIFIED |
| SCSonic Component Systems LLC | Corsicana | TX | — | ◇ UNVERIFIED |
| SISouthern Imperial LLC | Rockford | IL | — | ◇ UNVERIFIED |
| SSSouthern Steel & Wire | Fort Smith | AR | — | ◇ UNVERIFIED |
