| Business | Phone |
| Huntington Medical Research 734 Fairmount Ave, Pasadena 91105 | (626) 397-5804 |
| Madison Radiology 65 N Madison Ave # Ll, Pasadena 91101 | (626) 793-8189 |
| American Breast Center Inc 65 N Madison Ave, Pasadena 91101 | (626) 568-1010 |
| Arroyo Research Inc 100 N Lake Ave # 206, Pasadena 91101 | (626) 568-1701 |
| Oak Tree Radiology Medical 751 Cordova St # 1, Pasadena 91101 | (626) 446-0094 |
| Oaktree Radiology 751 Cordova St, Pasadena 91101 | (626) 577-2424 |
| Del Mar Imaging Svc 301 S Fair Oaks Ave # 103, Pasadena 91105 | (626) 796-3173 |
| Lls Actual Diagnostics Inc 1546 E Washington Blvd, Pasadena 91104 | (626) 798-2041 |
| Millenium Diagnostics 150 N Hill Ave, Pasadena 91106 | (626) 335-6410 |
| Pasadena Laboratory Svc Inc 1250 E Walnut St, Pasadena 91106 | (626) 792-8862 |
| Quest Diagnostics Inc 1060 E Green St # 207, Pasadena 91106 | (626) 449-9405 |