| Business | Phone |
| Fuel Source Inc 1436 N 52nd St, Fort Smith 72904 | (479) 783-8176 |
| Mark Wilson Oil & Gas Explrtn 3811 Rogers Ave, Fort Smith 72903 | (479) 494-0226 |
| Mueller Energy 4520 Phoenix Ave, Fort Smith 72903 | (479) 646-6540 |
| Natural Gas Solutions 5111 Rogers Ave # 563, Fort Smith 72903 | (479) 452-2643 |