Pennsylvania
| Company | Category | Area | Address | Web | Contact person | |
| STONE VALLEY RECREATION AREA | Recreation Centers | Pennsylvania | 108 BUSINESS SERVICES BLDG, UNIVERSITY PK, Centre, Pennsylvania, 16802-1002, USA | - | - | Charlene Detwiler |
| STONE VALLEY WELDING | Welding | Pennsylvania | 12027 GREENWOOD RD, HUNTINGDON, Huntingdon, Pennsylvania, 16652-6019, USA | - | - | Steve Stoltzfus |