Spline Gauges division of Apex Tool Group Ltd

Starrett Precision Optical Ltd

Status Metrology Solutions Ltd

Straightpoint (UK) Ltd

Stream Measurement Ltd

Sulzer Electro

Support Instrumentation Ltd

Taylor Hobson Ltd

Testo Ltd

The Churchill Machine Tool Co Ltd

The Original Gauge Co Ltd

Threadmaster Gauges Ltd

Titman Tip Tools Ltd

TMS Europe Ltd

TN United Kingdom Ltd

Trescal Ltd

Trescal Ltd

Trescal Ltd

Tru-Thread Ltd

Trumeter Technologies Ltd

TUV NEL Ltd

Universal Instrument Services Ltd

Universal Thermosensors Ltd

Warren Measurement Systems

Yorkshire Precision Gauges Ltd

Young Calibration Ltd