| Business | Phone |
| Accutome Inc 263 Great Valley Pkwy, Malvern 19355 | (610) 889-0200 |
| Alpha Scientific Instruments 287 Great Valley Pkwy, Malvern 19355 | (610) 647-7000 |
| Thomas Medical Products Inc 65 Great Valley Pkwy, Malvern 19355 | (610) 296-3000 |
| Circulator Boot Corp 72 Pennsylvania Ave, Malvern 19355 | (610) 240-9980 |
| Den-Tal-Ez Inc 101 Lindenwood Dr # 225, Malvern 19355 | (610) 725-8004 |