| Business | Phone |
| Us Army Corps Of Engineers 701 San Marco Blvd, Jacksonville 32207 | (904) 232-2234 |
| Us Interior Dept 12713 Fort Caroline Rd, Jacksonville 32225 | (904) 641-7155 |
| Us Interior Dept 13165 Mount Pleasant Rd, Jacksonville 32225 | (904) 221-5568 |
| Us Interior Dept 6620 Southpoint Dr S # 310, Jacksonville 32216 | (904) 232-2580 |