| JGJlm Glass Studio LLC | Dayton | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| JGJusti Group, INC. | Oldsmar | FL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LSLamp Service Products | Orange | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LGLibbey Glass, INC. | Shreveport | LA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LRLight Reign Artisan Co. LLC | Cleveland | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LGLillie Glassblowers, INC. | Smyrna | GA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LGLilli Glassblowers, INC. | Smyrna | GA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| LALuke Adams Glass INC. | Norwood | MA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MGMachined Glass Specialists, INC. | Springboro | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MGMack Glass LLC | Champaign | IL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MCMasterpiece Crystal | Jane Lew | WV | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MRMaterials Research Group, LLC | Beaufort | SC | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MSMfg Southeast | Opp | AL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MCMichael Cohn | Richmond | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MSMkrtich Sargsyan | North Hollywood | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MFMoffitt Family Candle Glass Artist | Osage Beach | MO | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MGMosser Glass | Cambridge | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| NSNational Scientific Dropper Industries, INC. | Newfield | NJ | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| NGNavcour Glassware Llc | Lorain | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| NSNebbie Studios, INC. | Deland | FL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| OGOceanside Glass & Tile | San Diego | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| OOpto-net | Midland Park | NJ | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| OHOrbix Hot Glass | Fort Payne | AL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| OSOutcast Studios, LLC | Philadelphia | PA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PTParis Texas Plant | Paris | TX | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PGPerfect Glass and Machinery | Brooklyn | NY | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PVPeter Vizzusi | Aptos | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PLPhilips Lighting Company | Danville | KY | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PGPhoenix Glass Center LLC | Phoenix | AZ | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PSPigma Scientific | La Mirada | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| PCPrecision Colored Glass LLP | Portland | OR | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| QGQuality Glass Blowing | Sun Valley | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RFRainbow Fiberglass | Chino | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RAR. and H. Filter Co., INC. | Georgetown | DE | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RORgv Optical Images, LLC | Harlingen | TX | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RRRichann Rodeheaver, LLC | Oakland | MD | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RERiver End Glass Studio, INC. | Palm Coast | FL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RMRocky Mountain Scientific Glass Blowing | Denver | CO | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| RHRon Hinkle Glass LLC | Buckhannon | WV | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
 Simon Pearce (u.s.) INC. | Quechee | VT | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| SLSpeculas, L.l.c. | Brownsville | TX | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TCTafco Corporation | Melrose Park | IL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TBTamara Baskin Art Glass | Nashua | NH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TITecglass & Instruments, LLC | Marion | NY | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TEThompson Enamel INC | Bellevue | KY | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TTTranscend Technology INC | Fremont | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| TGTwin Glass Industries INC | Gilroy | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| UWUnion Wadding CO | Chicago | IL | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| USUnited Silica Products INC | Hardyston Twp | NJ | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| UGUroboros Glass Studios | Portland | OR | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
