| Business | Phone |
| David A Sour & Assoc 400 Travis St, Shreveport 71101 | (318) 429-8704 |
| Critical Path Design Sciences Shreveport 71109 | (318) 638-8638 |
| Prases 330 Marshall St, Shreveport 71101 | (318) 424-8125 |
| Corporate Research Board 3218 Line Ave 203, Shreveport 71104 | (318) 675-1221 |