- Grinding Precision & Production in OH 44221
- Grinding Precision & Production in OH 44223
- Grinding Precision & Production in OH 44260
- Grinding Precision & Production in OH 44278
- Grinding Precision & Production in OH 44301
- Grinding Precision & Production in OH 44305
- Grinding Precision & Production in OH 44306
- Grinding Precision & Production in OH 44310
- Grinding Precision & Production in OH 44312