| Business | Phone |
| Unilab Corp 1850 S Azusa Ave # 110, Hacienda Heights 91745 | (626) 912-5948 |
| Bio Mechanic Diagnostics 15718 Gale Ave, Hacienda Heights 91745 | (626) 330-6766 |
| Quest Diagnostics Inc 1850 S Azusa Ave # 110, Hacienda Heights 91745 | (626) 912-5948 |