| Business | Phone |
| A M Dupont Corp 200 Venture Blvd, Houma 70360 | (985) 851-4343 |
| Engineering & Economic Plan 3894 Southdown Mandalay Rd, Houma 70360 | (985) 868-9400 |
| Euclid Engineering Co 3327 Bayou Black Dr, Houma 70360 | (985) 876-5283 |
| Foreman & Assoc Inc 1463 Saint Charles St, Houma 70360 | (985) 851-0816 |
| Kenneth F Boudreaux Inc 235 N Hollywood Rd, Houma 70364 | (985) 868-8715 |