| Business | Phone |
| Louisiana State-Louisiana 1 Stennis Space Center-Nasa, Bay St Louis 39520 | (228) 688-1117 |
| Lower Bay Road Lift Station 7186 Lower Bay Rd, Bay St Louis 39520 | (228) 466-9541 |
| M D O T Data Line 13060 Hwy 603, Bay St Louis 39520 | (228) 467-1476 |
| Oak St Lift Station 5175 Oak St, Bay St Louis 39520 | (228) 466-5695 |
| Olg St Vincent Depaul 228 S Beach Blvd, Bay St Louis 39520 | (228) 463-0280 |
| Path 3064 Longfellow Rd, Bay St Louis 39520 | (228) 467-5531 |
| Paul N Seckso & Assoc 215 Saint Charles St, Bay St Louis 39520 | (228) 467-0605 |
| Pointset Lift Station 5002 Pointset Ave, Bay St Louis 39520 | (228) 466-4520 |
| Quailway Lift Station 10025 Quail Way, Bay St Louis 39520 | (228) 463-2387 |
| Saic 331 Shieldsboro Sq, Bay St Louis 39520 | (228) 467-7366 |
| Southgate 40 Bonita Cir, Bay St Louis 39520 | (228) 466-9300 |
| Sportsman's Lake Lift Station 8112 Lower Bay Rd, Bay St Louis 39520 | (228) 466-3319 |
| Boca Production Inc Bay St Louis 39520 | (228) 467-0426 |
| Bordage Lift Station 5047 Bordage St, Bay St Louis 39520 | (228) 466-0276 |
| Central Avenue Lift Station 10602 Highway 603, Bay St Louis 39520 | (228) 467-9743 |
| Chapman Lift Station 10308 Chapman Rd, Bay St Louis 39520 | (228) 467-8419 |
| Cinque Bambini Jordan River Dr, Bay St Louis 39520 | (228) 467-6844 |
| Coastal Design Group Pllc 3036 Longfellow Rd, Bay St Louis 39520 | (228) 466-0028 |
| Deborah Kennedy Designs 138 Main St, Bay St Louis 39520 | (228) 463-9800 |
| Fourth St Lift Station 6235 Fourth St, Bay St Louis 39520 | (228) 467-9574 |
| Halter Port-Binville 13151 Road E, Bay St Louis 39520 | (228) 533-0300 |
| Highway 603 Lift Station 11587 Highway 603, Bay St Louis 39520 | (228) 466-6636 |
| Klien Subdivision Lift Station 5064 Road 139, Bay St Louis 39520 | (228) 466-6373 |
| Lambert Lane Lift Station 5270 Lambert Ln, Bay St Louis 39520 | (228) 466-0918 |