| # | Name | Location | Applications |
|---|---|---|---|
| 1. | P. R. HOFFMAN MACHINE PRODUCTS, INC. | 🇺🇸 Carlisle, PA, United States | 1 |
| 2. | P.R. Hoffman Machine Products | 🇺🇸 Carlisle, PA, United States | 1 |
| 3. | P.R. HOFFMAN MACHINE PRODUCTS INC. | 🇺🇸 Carlisle, PA, United States | 2 |
| 4. | PRH1, LLC | 🇺🇸 Brush Prairie, WA, United States | 1 |
| 5. | PRhObe Inc. | 🇺🇸 Orinda, CA, United States | 1 |