| Business | Phone |
| A & M Consulting Ltd 506 Holmgren Bay, Estevan S4A 2L3 | (306) 634-9236 |
| A & S Oilfield Operating Ltd 465 Petterson Dr, Estevan S4A 2N7 | (306) 634-4087 |
| Andersen Exploration Ltd 1320 4th St, Estevan S4A 0X2 | (306) 634-7281 |
| Apf Energy Inc 400 King St, Estevan S4A 2B4 | (306) 634-0066 |
| Arc Resources Ltd 461 Devonian, Estevan S4A 2A3 | (306) 637-3100 |
| Girard Bulk Svc/Petro-Canada 134 4th St, Estevan S4A 0T4 | (306) 637-4370 |
| Simoil Resources Ltd 1222 5th St, Estevan S4A 0Z6 | (306) 634-6441 |
| Nce Resources Group 104 Perkins St, Estevan S4A 2A4 | (306) 634-9022 |
| Nexen Canada Ltd 311 Kensington Ave, Estevan S4A 2A5 | (306) 634-1400 |
| Northrock Resources Ltd 84 Hwy 39 E, Estevan S4A 2H8 | (306) 634-5677 |
| Upton Resources Inc 322 4th St, Estevan S4A 0T8 | (306) 634-6484 |
| Vantus Energy Box 1514, Estevan S4A 2H8 | (306) 634-8883 |
| Canadian Natural Resources Ltd 206 Souris Ave, Estevan S4A 1J7 | (306) 634-2643 |
| Duce Oil Ltd 110 Perkins St, Estevan S4A 2L7 | (306) 637-4440 |
| Enerplus Energy Svc Ltd 1175 Nicholson Rd #100, Estevan S4A 2S7 | (306) 634-6121 |
| Future Energy 106 Souris Ave, Estevan S4A 1J6 | (306) 453-2477 |
| Future Energy Svc 106 Souris Ave, Estevan S4A 1J6 | (306) 634-4955 |