Fast-growing Wetherby-headquartered company GSM, owned and run by Barry and Frances Dodd, supplies sheet metal assemblies, automotive components and printer and label systems. In 2012-13 it made a record £6.4m profit on £30.2m sales.
Latest turnover: £30m
Five-year rise in turnover: 114%
No. of employees: 354
Five-year rise in employment: 39%