| Business | Phone |
| Controlled Environmental Sltns 4020 S Arkansas Ave, Russellville 72802 | (479) 880-8150 |
| Eagle Emissions Testing Co 104 S Cleveland Ave, Russellville 72801 | (479) 890-5186 |
| Environmental Enterprise Group 220 N Knoxville Ave # 200, Russellville 72801 | (479) 968-6767 |