| Business | Phone |
| Applied Medical Resources Corp 22872 Avenida Empresa, Rcho Sta Marg 92688 | (949) 713-8000 |
| Eiki International Inc 30251 Esperanza, Rcho Sta Marg 92688 | (949) 457-0200 |
| Excelladerm Corp 30065 Comercio, Rcho Sta Marg 92688 | (949) 459-8327 |
| Gish Biomedical Inc 22942 Arroyo Vis, Rcho Sta Marg 92688 | (949) 635-6200 |
| Amest Corp 30394 Esperanza, Rcho Sta Marg 92688 | (949) 766-9692 |