| Beatyheat Ltd - Tees Offshore Base - TS6 6UZ |
| CPL Petroleum (Sedgefield) - Hutton House Sedgefield Station Sedgefield - TS21 2EP |
| CPL Sedgefield - Hutton House - TS21 2EP |
| Energy Advice Centre (Tees & Durham) - 18b Manor Way - TS23 4HN |
| Garbutt Heaters Ltd - Longbeck Estate - TS11 6HB |
| Gas Elec Safety Systems - 2 The Old Brew House - TS14 6PR |
| Gas-Elec - 16 Poplar Grove - TS12 2UX |
| K C A Cooke Heating Engineeers - 16 West Terrace - TS10 1DS |
| Maclean & Nuttall Ltd - The Enterprise Centre - TS2 1LZ |
| Middlesbrough Insulation Co. Ltd. - Unit 6-7 Snowdon Road - TS2 1LP |
| Q8 Fuelcare - Wilson Street - TS17 7AR |
| Renewable Enerygy Consultancy - South Tees Business Centre - TS6 6TL |
| Slingsbys Interiors - Pierson Street - TS10 1SW |
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