| Business | Phone |
| Ocs 6545 44th St # 4007, Pinellas Park 33781 | (727) 526-0707 |
| Dotolo Research Corp 2875 Mci Dr, Pinellas Park 33782 | (727) 217-9300 |
| Endorphin Corp 6901 90th Ave, Pinellas Park 33782 | (727) 545-9848 |
| Hearing Technologies Int 6541 44th St # 6003, Pinellas Park 33781 | (727) 525-7770 |