| Business | Phone |
| Scancarbon Inc 108 S David Ln, Knoxville 37922 | (865) 769-9094 |
| Diversified Energy Inc 8874 Kingston Pike # 200, Knoxville 37923 | (865) 690-8967 |
| R & T Coal Co Inc 11852 Kingston Pike, Knoxville 37934 | (865) 966-0877 |
| Energy Consulting Inc 7212 Kingston Pike, Knoxville 37919 | (865) 584-9200 |
| Garland Coal Co 300 N Forest Park Blvd, Knoxville 37919 | (865) 588-9711 |
| Johnson Management Svc 1114 W Clinch Ave # 2e, Knoxville 37916 | (865) 637-7355 |