Schaffner Ltd

Scientific & Chemical Supplies Ltd

Scientific Electro Systems Ltd

Seaward Electronic Ltd

Serco Ltd

SGS United Kingdom Ltd

Siemens Industry Ltd

SJ Electronics Ltd

SKF Condition Monitoring Centre (Livingston) Ltd

Skye Instruments Ltd

SM Gauge Co Ltd

Sonatest Ltd

Spectrum Instrumentation GmbH

Surface Generation Ltd

T&R Test Equipment Ltd

TAP Systems Ltd

TE Connectivity Ltd

Telexsus Ltd

Telonic Instruments Ltd

Tempo Europe Ltd

Thurlby Thandar Instruments Ltd

TMS Europe Ltd

Trescal Ltd

Trolex Ltd

TSS Euremica Ltd

TUV NEL Ltd

TWS Europe Ltd

Voltech Instruments Ltd

Wayne Kerr Electronics

WE Instrumentation Ltd

Winder Power Ltd

Yelo Ltd

Yokogawa Measurement Technologies Ltd