| Business | Phone |
| Simpkins & Costelli Inc 401 32nd 1/2 St, Gulfport 39507 | (228) 864-6289 |
| A Garner Russell & Assoc 520 33rd St, Gulfport 39507 | (228) 863-0667 |
| Canon Engineering Co 511 32nd St # 106, Gulfport 39507 | (228) 863-0728 |
| Harris Engineers 13407 Dedeaux Rd, Gulfport 39503 | (228) 575-8200 |
| Krebs La Salle Le Mieux Inc 2700 13th St, Gulfport 39501 | (228) 863-8181 |