| Business | Phone |
| Rock Environmental Monitoring 1701 N Marine Blvd, Jacksonville 28546 | (910) 455-1851 |
| Buffington Environmental Inc 410 New Bridge St, Jacksonville 28540 | (910) 938-7998 |
| Engineering & Environment Inc 824 Gum Branch Rd, Jacksonville 28540 | (910) 989-3214 |