| NSNorthwestern Steel & Wire CO | Rock Falls | IL | — | ◇ UNVERIFIED |
| NNNsci Nippon Steel & Sumikin Cold Heading Wire Indiana | Shelbyville | IN | — | ◇ UNVERIFIED |
| NINsd INC | Saint Paul | MN | — | ◇ UNVERIFIED |
| NINsd, INC. | Maplewood | MN | — | ◇ UNVERIFIED |
| NTNupro Tech LLC | Lebanon | PA | — | ◇ UNVERIFIED |
| NWNutmeg Wire, INC. | Baltic | CT | — | ◇ UNVERIFIED |
| OWO'brien Wire Products of Texas, INC. | Houston | TX | — | ◇ UNVERIFIED |
| OIOfco INC | Coshocton | OH | — | ◇ UNVERIFIED |
| OWOhio Wire Form & Spring Company | Columbus | OH | — | ◇ UNVERIFIED |
| OKO & K American CORP. | Chicago | IL | — | ◇ UNVERIFIED |
 Olsen Chain & Cable - Edina | Edina | MN | — | ◇ UNVERIFIED |
| Olsen Chain - Cable INC | Moorhead | MN | — | ◇ UNVERIFIED |
| OLOrganized Living | Bloomington | IN | — | ◇ UNVERIFIED |
| OOrtech | Kirksville | MO | — | ◇ UNVERIFIED |
| OWOzark Wire LTD INC | Malden | MO | — | ◇ UNVERIFIED |
| PRPaducah Rigging, INC. | Reserve | LA | — | ◇ UNVERIFIED |
| PAPage Alumnized Steel | Monessen | PA | — | ◇ UNVERIFIED |
| PCPanduit CORP | Romeoville | IL | — | ◇ UNVERIFIED |
| PMParker Metals | Worcester | MA | — | ◇ UNVERIFIED |
| PWPaul Wilke & Son, INC. | Cincinnati | OH | — | ◇ UNVERIFIED |
| PIPeace Industries LTD | Rolling Meadows | IL | — | ◇ UNVERIFIED |
| PWPeltier Wire Cloth Company | Saint Paul | MN | — | ◇ UNVERIFIED |
| PWPentwater Wire Products, INC. | Pentwater | MI | — | ◇ UNVERIFIED |
| PSPerfection Spring & Stamping CORP | Mount Prospect | IL | — | ◇ UNVERIFIED |
| PMPetschke Manufacturing Company INC. | Mount Clemens | MI | — | ◇ UNVERIFIED |
| PWPfeifer Wire Rope & Lifting Technology | Hampton | VA | — | ◇ UNVERIFIED |
| PWPhoenix West Stable Products & Engraving | Irwindale | CA | — | ◇ UNVERIFIED |
| PCPizzo Contracting, INC. | Toms River | NJ | — | ◇ UNVERIFIED |
| PRPope Rigging Loft INC | Portland | OR | — | ◇ UNVERIFIED |
| PAPosco - Aapc | Jeffersonville | IN | — | ◇ UNVERIFIED |
| PNPrebena N. A. Fastener CORP. | Bridgeport | WV | — | ◇ UNVERIFIED |
| PIPrecision Ironworks | Boise | ID | — | ◇ UNVERIFIED |
| PKPrecision Kidd Steel/aliquippa | Aliquippa | PA | — | ◇ UNVERIFIED |
| PSPrecision Steel LLC | Calvert City | KY | — | ◇ UNVERIFIED |
| PWPrecision Wire Cut, INC. | Waterbury | CT | — | ◇ UNVERIFIED |
| PWPreferred Wire Products, INC. | Clovis | CA | — | ◇ UNVERIFIED |
| PMPremiere Manufacturing Corporation | Henderson | TN | — | ◇ UNVERIFIED |
| PWPrestolite Wire Copy | Southfield | MI | — | ◇ 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 |
| PSPte Systems International LLC | Hialeah | FL | — | ◇ UNVERIFIED |
| PFPurolator Facet Dba Parker Ipf Metalics | Greensboro | NC | — | ◇ UNVERIFIED |
| PIPyrotek Incorporated | Columbia City | IN | — | ◇ UNVERIFIED |
| QWQuality Wire Processing INC | Taylor | MI | — | ◇ UNVERIFIED |
| RIRacine Iron & Wire Works, INC | Racine | WI | — | ◇ 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 |
| 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 |
| SWSandvik Wire and Heating Technologies | Bethel | CT | — | ◇ UNVERIFIED |
| SLSb3h5 LLC | Hayward | CA | — | ◇ UNVERIFIED |
| SBS Burger Wire & Tubing INC | Middlesex | NJ | — | ◇ UNVERIFIED |
| SISchaff International, LLC | Lake Zurich | IL | — | ◇ UNVERIFIED |
| SSSchrey & Sons Mold CO INC | Valencia | CA | — | ◇ UNVERIFIED |
| SCSecurity Contractor Services, Inc. | Sacramento | CA | — | ◇ UNVERIFIED |
| SWSeneca Wire & Mfg CO * | Fostoria | OH | — | ◇ UNVERIFIED |
| SCSenju Comtek Corporation | San Jose | CA | — | ◇ UNVERIFIED |
| SLSharrow Lifting Products | Little Canada | MN | — | ◇ UNVERIFIED |
| SWSherman Wire CO East Pl Ant | Sherman | TX | — | ◇ UNVERIFIED |
| SWSherman Wire West Plant | Sherman | TX | — | ◇ UNVERIFIED |
| SSSilver State | Las Vegas | NV | — | ◇ UNVERIFIED |
| SNSimplex Nails, INC. | Americus | GA | — | ◇ UNVERIFIED |
| SMSiri Manufacturing Company, INC. | Danielson | CT | — | ◇ UNVERIFIED |
| SSSlide Systems INC | Harbor City | CA | — | ◇ 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 |
| SSSouthern Steel - Wire Incorporated | Madison | NC | — | ◇ UNVERIFIED |
| SCSouthwestern Creations LLC | South West City | MO | — | ◇ UNVERIFIED |
| SWSouthwestern Wire Cloth, INC. | Broken Arrow | OK | — | ◇ UNVERIFIED |
| SCSouthwire Company | Carrollton | GA | — | ◇ UNVERIFIED |
| SPSpencer Products INC | North Brookfield | MA | — | ◇ UNVERIFIED |
| SSStafford Specialty Wire Company | Worcester | MA | — | ◇ UNVERIFIED |
| SMStainless Metal Products | Chattanooga | TN | — | ◇ UNVERIFIED |
| SBStanley Black and Decker | East Greenwich | RI | — | ◇ UNVERIFIED |
| SBStanley Black and Decker - Greenfield Operations | Greenfield | IN | — | ◇ UNVERIFIED |
| SFStanley-bostitch Fastening Systems | Clinton | CT | — | ◇ UNVERIFIED |
| SIStanley-bostitch INC Clinton Plant | Clinton | CT | — | ◇ UNVERIFIED |
| SGStar Guide Corporation | Arvada | CO | — | ◇ UNVERIFIED |
| SSStateside Steel & Wire LLC | West Memphis | AR | — | ◇ UNVERIFIED |
| SWStd Wire Products INC. | Huntington Beach | CA | — | ◇ UNVERIFIED |
| SIStelco Industries INC. | Waxahachie | TX | — | ◇ UNVERIFIED |
 Stephens Pipe & Steel LLC | Madison | TN | — | ◇ UNVERIFIED |
| Stephens Pipe & Steel, LLC | Greensboro | NC | — | ◇ UNVERIFIED |
