| Business | Phone |
| Utili Quest 6005 Powers Ave, Jacksonville 32217 | (904) 448-8392 |
| Central Locating Svc 8933 Western Way # 16, Jacksonville 32256 | (904) 296-7754 |
| De May Inc 3830 Crown Point Rd, Jacksonville 32257 | (904) 288-6400 |
| Demay Inc 109 Chaffee Rd S, Jacksonville 32220 | (904) 378-8464 |