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Abracon
Advanced Crystal Tech.
AVX/Kyocera
Bomar Crystal
C-Mac Frequency Products
Cal Crystal
Cardinal Components
Champion
Citizen America
CTS
ECS Crystal
EDC - Electro Dynamic Cry.
Epson Electronics America
Fox Electronics
ILSI America
IQD Frequency Products
InterQuip Electronics
Kanthal Globar
KDS America
MtronPTI
MF Electronics
Mercury Electronics
Micro Crystal
MMD Components
NDK
NEL Frequency Controls
Pletronics
Q-Tech
Raltron
Rakon Limited
Saronix / Pericom
Standard Crystal
Statek
TXC Crystal
Valpey Fisher
Vectron International

VTI Technologies


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