| Business | Phone |
| Archimedes Systems 1515 County Road 210 W # 206, Jacksonville 32259 | (904) 823-1927 |
| Belimo Air Controls 14404 Pelican Bay Ct, Jacksonville 32224 | (904) 821-8024 |
| Tempaco Inc 2849 Dawn Rd, Jacksonville 32207 | (904) 448-8234 |
| Specialty Electrical Control 1444 Edgewood Cir, Jacksonville 32205 | (904) 992-7400 |
| Certified Control Systems 4505 Marquette Ave, Jacksonville 32210 | (904) 384-4013 |
| Seimens 8940 Western Way # 1, Jacksonville 32256 | (904) 363-2572 |
| Esc Microsystems Inc 3491 Pall Mall Dr, Jacksonville 32257 | (904) 886-2898 |
| Mc2 Inc 9951 Atlantic Blvd # 262, Jacksonville 32225 | (904) 724-0337 |