| PGPeltier Glass Site | Ottawa | IL | — | ◇ UNVERIFIED |
| PGPerfect Glass and Machinery | Brooklyn | NY | — | ◇ UNVERIFIED |
| PVPeter Vizzusi | Aptos | CA | — | ◇ UNVERIFIED |
| PIPhilatron International Dba Philatron Wire & Cable | Santa Fe Springs | CA | — | ◇ UNVERIFIED |
| PLPhilips Lighting Company | Danville | KY | — | ◇ UNVERIFIED |
| PLPhilips Lighting Company | Danville | KY | — | ◇ UNVERIFIED |
| PGPhoenix Glass Center LLC | Phoenix | AZ | — | ◇ UNVERIFIED |
| PSPigma Scientific | La Mirada | CA | — | ◇ UNVERIFIED |
| PNPilkington North America INC | Versailles | KY | — | ◇ UNVERIFIED |
| PCPlastics Color & Compounding INC | Dayville | CT | — | ◇ UNVERIFIED |
| PIPpg Industries Fiber Glass Products INC | Chester | SC | — | ◇ UNVERIFIED |
| PIPpg Industries Fiber Glass Products, INC. | Lexington | NC | — | ◇ UNVERIFIED |
| PCPrecision Colored Glass LLP | Portland | OR | — | ◇ UNVERIFIED |
| PFPrecision Fiber Solutions LLC | Landenberg | PA | — | ◇ UNVERIFIED |
| PIPrecision Interconnect | Broomfield | CO | — | ◇ UNVERIFIED |
| PEPrime Energy Systems Store #34 | Fullerton | CA | — | ◇ UNVERIFIED |
| PWPrime West Communications, INC. | Walnut Park | CA | — | ◇ UNVERIFIED |
| PWPriority Wire & Cable, INC. | Little Rock | AR | — | ◇ UNVERIFIED |
| PCPrysmian Cables & Systems USA LLC (marshall Plant) | Marshall | TX | — | ◇ UNVERIFIED |
| PIPyrotek Incorporated | Columbia City | IN | — | ◇ UNVERIFIED |
| QGQuality Glass Blowing | Sun Valley | CA | — | ◇ UNVERIFIED |
| QDQuik-pull Division/power & Telephone Supply | Randolph | VT | — | ◇ UNVERIFIED |
| RFRainbow Fiberglass | Chino | CA | — | ◇ UNVERIFIED |
| RAR. and H. Filter Co., INC. | Georgetown | DE | — | ◇ UNVERIFIED |
| RTRca Thompson | Circleville | OH | — | ◇ UNVERIFIED |
| RMRea Magnet Wire CO INC | Las Cruces | NM | — | ◇ UNVERIFIED |
| RORgv Optical Images, LLC | Harlingen | TX | — | ◇ UNVERIFIED |
| RRRichann Rodeheaver, LLC | Oakland | MD | — | ◇ UNVERIFIED |
| RGRichland Glass CO INC | Vineland | NJ | — | ◇ UNVERIFIED |
| RERiver End Glass Studio, INC. | Palm Coast | FL | — | ◇ UNVERIFIED |
| RSRockbestos Suprenant Cable | Clinton | MA | — | ◇ UNVERIFIED |
| RMRocky Mountain Filtration LLC | Mount Pleasant | UT | — | ◇ UNVERIFIED |
| RMRocky Mountain Scientific Glass Blowing | Denver | CO | — | ◇ UNVERIFIED |
| RHRon Hinkle Glass LLC | Buckhannon | WV | — | ◇ UNVERIFIED |
| SSapulpa | Sapulpa | OK | — | ◇ UNVERIFIED |
| SUSchlemmer Usa, INC. | San Antonio | TX | — | ◇ UNVERIFIED |
| SISemco Instruments INC. | Valencia | CA | — | ◇ UNVERIFIED |
| SGSeymore Group LLC | San Angelo | TX | — | ◇ UNVERIFIED |
 Simon Pearce (u.s.) INC. | Quechee | VT | — | ◇ UNVERIFIED |
| SCSkyview Communications LLC | Claremore | OK | — | ◇ UNVERIFIED |
| SCSouthwire CO | Waukegan | IL | — | ◇ UNVERIFIED |
| SCSpang & Co/magnetics Div | Butler | PA | — | ◇ UNVERIFIED |
| SGSpecialty Glass of the Palm Beaches, INC. | West Palm Beach | FL | — | ◇ UNVERIFIED |
| SLSpeculas, L.l.c. | Brownsville | TX | — | ◇ UNVERIFIED |
| SFSplash Fiber, LLC | Denver | CO | — | ◇ UNVERIFIED |
| SSSruq Spectrum INC. | Stockton | CA | — | ◇ UNVERIFIED |
| SPSS Power Technology LLC | Columbus | OH | — | ◇ UNVERIFIED |
| SMStrategic Materials INC | Chicago | IL | — | ◇ UNVERIFIED |
| SLSubprotech LLC | Las Vegas | NV | — | ◇ UNVERIFIED |
| SFSuperior Fibers Shawnee LLC | Shawnee | OH | — | ◇ UNVERIFIED |
