| Business | Phone |
| Siemens Building Technologies 8940 Western Way # 1, Jacksonville 32256 | (904) 464-0808 |
| Precision Control Instruments 7839 Bayberry Rd, Jacksonville 32256 | (904) 737-9600 |
| Johnson Controls Inc 8245 Bayberry Rd, Jacksonville 32256 | (904) 733-1411 |