Tyco Fire
UE Systems
Ufi (SOFIMA FILTERS)
UNIMATIC
Unimeasure
Uni-Oeler
Union Special
Unipower
UNI-T
United Electric
Unitor Chemicals
US Digital
Uwt
VAF Instruments
Vaisala
Valco
Validyne Engineering
Valvole Hofmann
Vanel
Vanguard
Vega
Vent Captor
Verivide
Vesda
Vibro-Meter
Vickers (Eaton)
Virax
Vishay
Vmeca
Vogel