| Business | Phone |
| Aoi Communications 102 Pickering Way, Exton 19341 | (610) 363-7030 |
| Eagle Vision Pharmaceutical 50 W Welsh Pool Rd, Exton 19341 | (610) 363-6927 |
| Pharmaceutical Research Co 602 Jeffers Cir # 110, Exton 19341 | (484) 875-9000 |
| Lazas Corp 690 Stockton Dr # 105, Exton 19341 | (610) 458-2038 |