Alan Browne Lapping Services Ltd

Armson-Boult Ltd

Aspland Gauge Co Ltd

Bowers Group

Conway Precision Engineering Group Ltd

Correct Gauge & Tool Ltd

DoALL Europa BV

GB Quality Assurance (Consultants) & NDT Ltd

H Roberts & Sons (Dial Indicators) Ltd

Hallward Tools Ltd

Hexagon Metrology UK Ltd Tesa Division

James Gibb & Co Ltd

Linear Tools Ltd

Mapra Technik Co

Metrology International Ltd

Mitutoyo (UK) Ltd

Monks & Crane

Parkwood Arts Ltd

Power Tools UK

Powerkut Ltd

Preisser UK Ltd

Quasartronics Ltd

Rhopoint Metrology Ltd

Starrett Precision Optical Ltd

Templeton Tools & Machinery Ltd

Verdict Gauge Ltd

Yorkshire Precision Gauges Ltd