| # | Name | Location | Applications |
|---|---|---|---|
| 1. | R.W. Hartnett Company | 🇺🇸 Philadelphia, PA, United States | 1 |
| 2. | R.W.H., LLC | 🇺🇸 Mt Sterling, OH, United States | 2 |
| 3. | RW Hartnett Co. | 🇺🇸 Philadelphia, PA, United States | 1 |
| 4. | RWH CONSTRUCTIONS SERVICES CO. | 🇺🇸 Tampa, FL, United States | 1 |