| Business | Phone |
| Allen Petroleum Inc 104 Allen Ave, Shreveport 71101 | (318) 995-6349 |
| Brammer Engineering Inc 400 Texas St # 600, Shreveport 71101 | (318) 429-2345 |
| Foster Petroleum Management 415 Texas St 402, Shreveport 71101 | (318) 221-2864 |
| Gemini Explorations Inc 2601 Centenary Blvd, Shreveport 71104 | (318) 226-1773 |
| Gerard Offices 625 Market St 250, Shreveport 71101 | (318) 221-0761 |
| Frank J Hall 416 Travis St 1008, Shreveport 71101 | (318) 424-5235 |
| J-O'B Operating Co 400 Texas St 800, Shreveport 71101 | (318) 222-8400 |
| O G Mc Dowell 400 Travis St 328, Shreveport 71101 | (318) 221-2674 |
| S & P Co 330 Marshall St 300, Shreveport 71101 | (318) 222-1800 |
| Faith Energy 400 Travis St 1301, Shreveport 71101 | (318) 424-1900 |
| Pinnacle Operating Co 900 W 70th St, Shreveport 71106 | (318) 868-1695 |
| Seagull Operating Co Inc 1215 Mid South Towers, Shreveport 71101 | (318) 226-9170 |
| Shs Operating Co 910 Pierremont Rd, Shreveport 71106 | (318) 861-4625 |
| Walter S Grant 400 Travis St # 322, Shreveport 71101 | (318) 222-4950 |
| Welsh Oil Co Inc 333 Texas St 1108, Shreveport 71101 | (318) 429-1400 |