| Business | Phone |
| American Assn Of Teachers 423 Exton Cmns, Exton 19341 | (610) 363-7005 |
| Society Of Cable Tv Engineers 140 Philips Rd, Exton 19341 | (610) 363-6888 |
| Council Of Logistics Mgmt Exton 19341 | (610) 280-9440 |
| Rhondda Home Owner Assoc 525 Carmarthen Dr, Exton 19341 | (610) 363-8413 |
| Newcomen Society Of Usa 211 Welsh Pool Rd, Exton 19341 | (610) 363-6600 |