| ECS Power & Control 01603 899700 | Horsford, Norfolk NR10 3FA 25.6 mi Pinelands Road | Call NowDetails |
| Swift Air Ventilation 01603 872706 | Norwich, Norfolk NR9 5LY 26.5 mi Station Road | Call NowDetails |
| Ames Air Conditioning 01603 722122 | Norwich, Norfolk NR13 6PZ 29.0 mi 4 Basey Road | Call NowDetails |
