| Business | Phone |
| Bentley Systems Inc 2017 Cove Dr, Largo 33774 | (727) 581-8797 |
| Southern Datacom Inc 10700 76th Ct, Largo 33777 | (727) 535-2100 |
| Professional Computer Corp 8192 Hopewell Ct, Largo 33777 | (727) 392-8534 |
| Pennington Paul & Gilliam Inc Po Box 1451, Largo 33779 | (727) 559-7751 |
| Phillip Roy Inc 13064 Indian Rocks Rd, Largo 33774 | (727) 593-2700 |
| Data Age Business Systems Inc 10225 Ulmerton Rd # 10a, Largo 33771 | (727) 582-9100 |
| Pennington Paul & Gilliam Inc Po Box 1451, Largo 33779 | (727) 559-7751 |