| Business | Phone |
| Blue Water Group Of Louisiana 810 N Columbia St, Covington 70433 | (985) 809-1722 |
| Guarino & Cox Llc 19399 Helenberg Rd 203, Covington 70433 | (985) 871-9997 |
| H & H Engineering Inc 103 Highland Park Plz, Covington 70433 | (985) 893-2104 |
| Vanderbrook Engineering 68 Hyacinth Dr, Covington 70433 | (985) 893-3593 |
| Engineering Specialties Inc 17438 Hard Hat Dr, Covington 70435 | (985) 892-0072 |