1 JCB (earthmoving & construction vehicles) - Turnover £2.25bn
2 TI (automotive components) - Turnover £1.5bn
3 Baxi Group (water heaters) - Turnover £943m
4 Vita Group (foams and plastics) - Turnover £786m
5 Doncasters (turbine components) - Turnover £691m
6 Caparo Group (steel products) - Turnover £686m
7 Marshall Group (aircraft services) - Turnover £633m
8 Dyson (vacuum cleaners) - Turnover £514m
9 Seton House Group (seating safety & aircraft cabins) - Turnover £382m
10 Alexander Dennis (buses, fire engines) - Turnover £266m
