Pennsylvania
| Company | Category | Area | Address | Web | Contact person | |
| SYNTHES USA | Physicians & Surgeons Equip & | Pennsylvania | 1690 RUSSELL RD, PAOLI, Chester, Pennsylvania, 19301-1222, USA | www.synthes.com | - | Michael Orsinger |
| SYNTHETIC TURF DESIGN | Sod & Sodding Service | Pennsylvania | 2187 LINCOLN HWY E, LANCASTER, Lancaster, Pennsylvania, 17602-1130, USA | - | - | - |
| SYNTYNERYX LLC | Computers-System Designers & C | Pennsylvania | 1749 HAMILTON DR, PHOENIXVILLE, Chester, Pennsylvania, 19460-4625, USA | www.syntyneryx.com | - | - |