A
B – C
D – E
F – I
J – M
N – O
P – Q
Pixart
Polymer Optics
Powerbox
Powerland
Power Partners
ProTek Devices
Protek Power
R – S
Semelab/TT Electronics
Sfernice/Vishay
Sharp Microelectronics
Siliconix/Vishay
SL Power
Smart Modular *
SPARK Microsystems
Spectrol/Vishay
Sprague/Vishay
Supermicro *
T – U
Taiwan Semi
Thin Film/Vishay
Tianma America Inc.
TOCOS
TT Electronics
UltraVolt
V – Z
Vishay
Vishay Precision Group/VPG
Vitramon/Vishay
Welwyn/TT Electronics
Winbond
Wintec
WiseChip *
World Products Inc.
*Non-authorized but original/genuine source.