| heraeus quartz | 1.54 | 0.5 | 7850 | 14 | 13 |
| heraeus quartz north america llc | 1.81 | 1 | 3400 | 32 | 92 |
| heraeus quartz glass | 1.15 | 0.8 | 1171 | 20 | 45 |
| heraeus quartz uk ltd | 0.91 | 0.8 | 6751 | 21 | 82 |
| heraeus quartztech | 1.7 | 0.2 | 9459 | 18 | 30 |
| heraeus quartz tubing | 1.91 | 0.2 | 3448 | 21 | 50 |
| heraeus quartz america | 1.66 | 0.9 | 1042 | 22 | 100 |
| heraeus quartz wallsend | 1.24 | 0.3 | 9526 | 23 | 65 |
| heraeus quartz buford ga | 0.14 | 0.8 | 9948 | 24 | 49 |
| heraeus quartz north america | 1.98 | 0.6 | 5096 | 28 | 42 |
| heraeus quartz america llc | 0.49 | 0.4 | 8487 | 26 | 83 |
| heraeus quartz tech-shenyang-07004 | 1.25 | 0.2 | 207 | 34 | 50 |
| heraeus quartz north america llc buford ga | 1.22 | 0.2 | 6601 | 42 | 98 |
| heraeus shin-etsu quartz singapore pte ltd | 0.14 | 0.1 | 3073 | 42 | 15 |
| heraeus shin-etsu quartz | 1.75 | 0.9 | 5742 | 24 | 13 |
