| GCGemtron Corporation | Sweetwater | TN | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| 1P105255 - Pilkington North America Incorporated | Shelbyville | IN | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| 7G72431 - Guardian Industries LLC | Richburg | SC | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GIGuardian Industries CORP | Geneva | NY | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| SASamuel Advanced Fabrication | Tucson | AZ | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| 1C129943 - Custom Glass Products of Carolina, INC. | Salisbury | NC | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| AIAmerican Insulated Glass LLC- Conley | Conley | GA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GGGlenny Glass CO. | Milford | OH | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GIGuardian Industries - Corsicana | Corsicana | TX | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GIGuardian Industries LLC - Kingsburg | Kingsburg | CA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| HGHartung Glass Tukwila WA | Tukwila | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| CFCardinal FG - Menomonie | Menomoinie | WI | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GSGGI Secaucus | Secaucus | NJ | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| GIGuardian Industries | DeWitt | IA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| HGHartung Glass Renton | Renton | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| HHeadquarters | Fenton | MI | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| IGInsulite Glass Co., Inc. | Olathe | KS | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| NPNSG Pilkington North America - Versailles | Versailles | KY | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| OBOldcastle Building Envelope | Covington | GA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| PNPilkington North America, Inc. | Rossford | OH | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| PNPilkington NSG | Ottawa | IL | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| PFPortage FG | Portgage | WI | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| PGPRL Glass Systems, Inc. | Industry | CA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| SHSpring Hill FG | Spring Hill | KS | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |
| WFWinlock FG | Winlock | WA | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ◐ LIKELY ACTIVE |