KELL's PIEZOs @ WEB GUIDE

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	[....] - foundation year - link: company's data (in Russian) - link: what happend to this site? - link: company's portrait (in Russian)	Use Ctrl-F for fast search The colors relate to companies: IDM FABLESS FOUNDRY RIP Telegram channel with M&A news				Hover mouse to see disti in Russia - as before 24-Feb-2022 - as after 24-Feb-2022 - Country Access Denied for Russia
a
	ABRACON [1992] {acquired by Riverside in 2018} {acquired by Genstar Capital in 2022}	Resonators, Oscillators
	ADVANCED CRYSTAL TECHNOLOGY [1986]	Resonators & Filters
	ABUNDANCE ENTERPRISE COMPANY (AEC) [1988]	Crystal Resonators, Filters & Oscillators, Ceramic & SAW Resonators & Filters
	AEL CRYSTALS [1991] {acquired by Abracon in 2021}	Quartz Resonators, Oscillators, Ceramic Resonators & Filters, VCXOs, TCXOs
	AIRMAR TECHNOLOGY [1982] {acquired by Amphenol in 2024}	Ultrasound Transducers
	AKER TECHNOLOGY [1990]	Quartz Resonators & Oscillators
	ANDERSON ELECTRONICS [1959] {part of Lokos Electronics}	Quartz Resonators & Oscillators, TCXOs, VCXOs
	ANDHRA ELECTRONICS [1977]	Quartz Resonators, Oscillators, OCXOs, TCXOs
	APC INTERNATIONAL [1986]	Piezo Ceramic Products
	ARGO TECHNOLOGY [1996]	Quartz Resonators & Oscillators, Ceramic Resonators & FiltersOscillators
	ARIOSE ELECTRONICS [1996]	Piezo Elements, Buzzers
	AURIS [2000]	Resonators, Oscillators, Filters, SAW
	AXTAL [2003] {spun-off from Tele Quartz} {acquired by Q-Tech in 2023}	Quartz Resonators, Filters, Oscillators
b
	BEIJING CHENJING ELECTRONICS [1958]	Quartz Resonators, Oscillators, Filters
	BLILEY TECHNOLOGIES [1930] {acqured by Kyocera AVX in 2023}	Oscillators, Filters
	BOMAR CRYSTAL [1963]	Resonators, Oscillators
c
	C-MAC QUARTZ [1937] {part of Solectron} {acquired by Rakon in 2007}	Resonators, SAW Filters, Oscillators
	CAL CRYSTAL LAB [1969]	Resonators, Oscillators
	CALIBER ELECTRONICS [1994] {acquired by ECS in 2013}	Resonators, Resonators, Oscillators
	CARDINAL COMPONENTS [1986] {acquired by Taitien Electronics in 2016} {part of Pletronics from 2021}	Resonators, Oscillators
	CHAMPION TECHNOLOGIES [1953] {acquired by MtronPTI in 2002}	Crystal Oscillators
	CHEQUERS ELECTRONIC [1988]	Quartz Resonators, Ceramic Resonators & Filters, SAW Devices
	CHINA QUARTZ TECHNOLOGY [1999] {spun-off from China National Scientific Instrument and Materials Company}	Quartz Resonators
	CHIPSUN TECHNOLOGY [1991]	Quartz Resonators, Oscillators, Filters, SAW Devices
	CHUNGHO ELCOM [1976]	Crystal Resonators, Oscillators & Filters
	CINETECH [1973]	Quartz Crystals, Crystal Oscillators
	CITIZEN FINEDEVICE [1959]	Quartz Resonators, Oscillators
	COMTEC Resonators GROUP [1988]	Quartz Resonators, Oscillators
	CONNOR-WINFIELD [1963]	Resonators, SAW Filters, VCXO, VCO, TCXO
	CREC [2003]	Resonators, Oscillators, SAW Filters
	CRESCENT FREQUENCY PRODUCTS [2012]	Quartz Resonators & Oscillators
	CROVEN CRYSTALS [1954] {acquired by Wenzel Associates in 2006} {Quantic Croven from 2021}	Precision Quartz Resonators & Oscillators
	CRYSTEK [1958]	Resonators, Oscillators
	CTS [1896]	Resonators
d
	DAISHINKU [1959]	Quartz Resonators, Oscillators, Filters
	DAPU TELECOM TECHNOLOGY [2005]	Quartz Resonators & Oscillators
e
	EAST CRYSTAL ELECTRONICS [1999]	Quartz Resonators, Oscillators
	EAST ELECTRONICS [1980]	Piezo Sounders, Buzzers
	ECLIPTEK [1987] {acquired by ILSI in 2017}	Quartz Resonators, Oscillators
	ECM ELECTRONICS [1987]	Quartz Resonators, Oscillators, Filters
	ECS [1980]	Resonators, Oscillators, SAW Filters & Resonators
	EDC [1963] {acquired by INFICON in 2006}	Quartz Monitor Crystals for Medicine
	EPCOS [1999] {former Siemens+Matsushita} {acquired by TDK in 2009}	SAW Filters			REP
	EPSON [1949] {Epson Toyocom after merge of Quartz Div. of Seiko Epson and Toyo Communication Equipment in 2004} {renamed to Epson again in 2013}	Quartz Resonators, Oscillators, SAW Oscillators
	EUROQUARTZ [1982]	Resonators, Filters, VCXOs, VCOs, TCXOs, SAW
f
	FILTRONETICS [1970]	HiRel Crystal & Ceramic Filters, Oscillators
	FLOYD BELL [1972]	Piezo Buzzers
	FOMOS MATERIALS [1994]	Langasite & Langanite Crystals
	FOQ PIEZO TECHNIK [1980] {acquired by IQD in 2011}	Quartz Crystals
	FORDAHL [1981] {acquired by CTS in 2010}	Quartz Resonators
	FOX ELECTRONICS [1979] {acquired by IDT in 2012} {divested in 2018} {acquired by Abracon in 2020}	Quartz Resonators & Oscillators
	FREQTECH [2007]	Quartz Resonators, Oscillators, SAW Filters
	FREQUENCY ELECTRONICS [1962]	Quartz Resonators & Oscillators
	FREQUENCY MANAGEMENT [1971]	Quartz Resonators & Oscillators
	FRONTER ELECTRONICS [1991]	Quartz & SAW Resonators, Filters, Oscillators
g
	GEMMA [19??]	Synthetic Quartz Crystals
	GENERAL ELECTRONIC DEVICES [1987]	Quartz Resonators, Oscillators, Filters
	GEYER ELECTRONIC [1964]	Quartz Resonators, Oscillators, Filters
	GOLLEDGE ELECTRONICS [1990] {acquired by Techpoint in 2022}	Resonators, Oscillators
	GREAT MARKING [19??]	Quartz Resonators & Oscillators, Ceramic Filters & Resonators
	GREENRAY INDUSTRIES [1961]	High Precision Quartz Crystal Oscillators
h
	HANG JING ELECTRONIC [2010]	Quartz Resonators & Oscillators
	HANKYUNG TELECOM [1998]	Resonators, Oscillators
	HARMONY ELECTRONIC [1976]	Quartz Resonators & Oscillators
	HM INTENATIONAL [1996]	Quartz Resonators & Oscillators, MEMS Oscillators
	HONG KONG X'TALS [1991]	Quartz Resonators & Oscillators
	HOORAY ELECTRONICS [1990]	Resonators, Oscillators, TCXOs, VCXOs, OCXOs
	HOPE MICROELECTRONICS [1998] {div. of China Electronic Technology Group}	SAW Resonators & Filters
	HORIZON ELECTRONICS [1997]	Quartz Resonators, Oscillators, Filters
	HOSONIC ELECTRONIC [1979]	Quartz Resonators & Oscillators
	HUILONG ELECTRONIC [2000]	Quartz Resonators & Oscillators
	HY-Q INTERNATIONAL [1969]	Quartz Resonators, Oscillators & Filters, Ceramic Resonators & Filters
i
	ILSI AMERICA [1987] {acquired by Abracon in 2020}	Crystal Oscillators & Generators, Crystal Filters
	INFICON EDC [2006]	Quartz Crystals for Thin Film Deposition Monitoring
	INNOCHIPS TECHNOLOGY [2000]	EMI Filters
	INTERNATIONAL CRYSTAL MANUFACTORING [1951] {stopped operations in 2017}	Resonators, TCXOs, Oscillators, Filters
	INTERQUIP ELECTRONICS [1995]	Quartz Resonators & Oscillators
	IQD FREQUENCY PRODUCTS [1973] {part of C-Mac from 1998} {acquired by Rakon in 2007} {MBO in 2008} {acquired by Wurth in 2017}	Quartz Resonators, Crystal Oscillators, VCXOs, TCXOs, OCXOs
	ISOTEMP RESEARCH [1968] {acquired by Taitien Electronics in 2005} {part of Pletronics from 2021}	Crystal Oscillators
	ITF [1999]	SAW Filters
	ITTI [1995]	Crystals & Oscillators
j
	JAUCH [1954]	Quartz Resonators & Oscillators
	JIAKANG ELECTRONICS [1986]	Ceramic Filters & Resonators
k
	KAYER INDUSTRIAL	Piezo Buzzers
	KEPO ELECTRONICS [1995]	Piezo Buzzers, PiezoCeramic Elements
	KINGSTATE ELECTRONICS [1977]	Piezo Buzzers
	KINSEKI [1950] {acquired by Kyocera in 2003}	Quartz Resonators, Oscillators & Filters, SAW Filters
	KLOVE ELECTRONICS {part of HMI from 2007}	Quartz Resonators, Oscillators
	KVG QUARTZ CRYSTAL TECHNOLOGY [1946]	Quartz Resonators, Oscillators, Filters
	KYOCERA [1959]	Quartz Resonators & Filters, SAW devices
	KYUSHU DENTSU (KDK) [1973]	Quartz Resonators, Filters & Oscillators
l
	LAPTECH PRECISION [1972] {part of Total Frequency Control from 2009}	Quartz Resonators & Oscillators
	LGE [2002]	Ceramic, Crystal & SAW Resonators, Filters
	LIANHUA ELECTRONICS [1994]	Piezo & EM Buzzers
	LIHOM CRYSTAL [2016]	Crystal Resonators & Oscillators
	LOKOS ELECTRONICS [2015]	Quartz Resonators & Oscillators, TCXOs, VCXOs
m
	MAGIC XTAL [2001]	OCXOs
	MERCURY ELECTRONICS [1973]	Quartz Crystal Frequency Control Devices
	METEOR [1959]	Quartz Resonators, Oscillators, Filters
	MF ELECTRONICS [1956] {part of Valpey-Fisher from 2003}	Oscillators
	MICRO CRYSTAL [1978] {part of Swatch Group}	Resonators, Oscillators
	MICROSAW [2008]	SAW Filters, Resonators & Delay Lines
	MMD MONITOR/QUARTZTEK [1994] {acquired by ILSI in 2013}	Quartz Cristals & Oscillators, MEMS Oscilators, VCXO, TCXO, OCXO, Ceramic Resonators
	MORION [1930]	Resonators, Oscillators, Filters, Blanks
	MTI-MILLIREN TECHNOLOGIES [1990]	OCXOs, TCXOs, VCXOs
	MTRONPTI [1965]	Resonators, Oscillators
	MURATA ELECTRONICS [1944]	Resonators, Filters
n
	NAKAGAWA ELECTRONICS [1984]	Quartz Resonators & Oscillators:VCXOs,TCXOs, OCXOs, SAW & Ceramic Filters
	NEL FREQUENCY CONTROL [1954] {acqured by Abracon in 2023}	Quartz Resonators & Oscillators:VCXOs,TCXOs, OCXOs, MOCXOs
	NIHON DEMPA KOGYO [1948]	Crystal Oscillators, SAW Filters, VCXOs, TCXOs, OCXOs
o
	OAK FREQUENCY CONTROL [1961] {acquired by Corning in 2000} {name changed to Corning Freq. Control} {acquired by Vectron in 2004} {part of Microchip from 2018}	VCXOs, TCXOs, OCXOs
	OBO SEAHORN ACOUSTICS [1986]	Piezoelectric Buzzers
	ONE LIGHT ELECTRONICS [1976]	Quartz Resonators & Oscillators:VCXOs,VCTCXOs
	OSCILENT [1990] {acquired by ILSI in 2018}	Quartz Cristals & Oscillators, SAW Filters, Ceramic Resonators & Filters
	OSCILLATEK {acquired by Dover in 1985} {part of Vectron}	Hybrid Clock Oscillators, VCXOs, TCXOs
p
	PIEZO SYSTEMS [1988] {acquired by Mide in 2017}	Piezo Actuators, Sensors & Harvesters
	PIEZO TECHNOLOGY [1965] {acquired by Mtron Industries in 2004}	Resonators, Crystal Filters & Oscillators
	PIEZOQUARTZ [1990]	Quartz Crystals
	PLETRONICS [1979] {acquired by Taitien Electronics in 2019}	Resonators, Crystal Filters & Oscillators
	PRECISION DEVICES [1977] {acquired by Wi2Wi in 2014}	Resonators, Crystal Filters & Oscillators
	PUI AUDIO [1972] {subsideary of Projects Unlimited}	Piezo Audio Transducers & Speakers
q
	Q-TECH [1972]	Hybrid Crystal Oscillators
	QUANTIC ELECTRONICS [2021] {owned by Arcline Investment}	Umbrella for Piezo: Croven, Wenzel
	QUARTZ PRO [2000]	Quartz Resonators & Oscillators, VCXO's
	QUARTZCOM [1994]	Quartz Resonators, Oscillators & Filters
	QUARTZLOCK [1985]	OCXOs
	QVS TECH [1972]	Quartz Crystals, Clock Oscillators, VCXO’s, TCXO’s & OCXO’s
r
	RAKON [1967]	Quartz Resonators & Oscillators
	RALTRON ELECTRONICS [1983] {acquired by Rami Technology in 2007}	Crystal Resonators, Oscillators & Filters
	RAMI TECHNOLOGY [2006]	Quartz Resonators & Oscillators, VCXOs, TCXOs, OCXOs
	RDI [1988]	Piezo Buzzers
	REEVES-HOFFMAN [1946] {part of CTS from 1997}	Quartz Resonators & Oscillators
	RESONANT [2014] {acquired by Murata in 2022}	BAW Filters
	RF MONOLITHICS [1979] {acquired by Murata in 2012}	SAW Filters, SAW Resonators
	RFM INTEGRATED DEVICE [1979]	SAW Filters & Resonators, Crystal Oscillators
	RIVER ELETEC [1949]	Quartz Crystals & Oscillators
s
	SAND9 [2007] {acquired by Analog Devices in 2015}	Piezoelectric MEMS Resonator
	SARONIX [1975] {acquired by Pericom Semiconductor in 2003} (part of Diodes from 2015}	Controled Oscillators
	SAWNICS [2000]	SAW Filters
	SAWTEK [1979] {acquired by Triquint Semiconductor in 2001}	SAW Filters
	SEIKO EPSON [1989]	Resonators & Oscillators			REP
	SEIKO NPC [1975] {founded as JV Seikosha} {part of Seiko from 2005}	Crystal Oscillator ICs, SPXOs
	SENSOR TECHNOLOGY [1983]	Piezoelectric Ceramics, Acoustic Transducers
	SHENZHEN CRYSTAL TECHNOLOGY [1989]	Resonators, Oscillators, Ceramic Filters, SAW Filters
	SHENZHEN FIVE-TEN ELECTRONICS	Resonators, Oscillators, Ceramic Filters, SAW Filters
	SHOULDER ELECTRONICS [1999]	Resonators, Oscillators, Ceramic Filters, SAW Resonators & Filters
	SIWARD CRYSTAL TECHNOLOGY [1988]	Resonators, Oscillators, Filters
	SONITRON [1977]	Pieso Speakers & Buzzers
	SPECTRUM CONTROL [1968] {acqured by API Technologies in 2011} {rebranded back in 2023}	SAW Filters
	SPK ELECTRONICS [1987]	Quartz Resonators, Oscillators, SAW & Ceramic Filters
	STATEK [1970]	Resonators, Oscillators
	STRONG ELECTRONICS & TECHNOLOGY [2003]	Resonators, Oscillators, Ceramic Filters, SAW Resonators & Filters
	SUNNY ELECTRONICS [1966]	Quartz Resonators & Filters, Ceramic Resonators & Oscillators
t
	TAI-SAW TECHNOLOGY [1997]	Quartz Resonators, Crystal Oscillators, SAW Filters
	TAITIEN ELECTRONICS [1976]	Quartz Resonators, VCXO's, TCXO's, OCXO's, SAW filters
	TDK [1935]	Piezo Actuators & Buzzers
	TECH TIME [1996]	Ceramic & Crystal Resonators, VCXO's, TCXO's, OCXO's
	TELE QUARZ {part of Vectron from 1992}	Quartz Crystala, Crystal Oscillators, Crystal Filters
	TELLURIAN TECHNOLOGIES [1994]	Resonators, Oscillators, VCXO, TCXO Filters
	TEMEX {merger of Temax SA & Temex Microsonics} {acquired by Rakon in 2010} {renamed to Rakon France SAS in 2011}	Quartz Resonators, Crystal Oscillators & Filters, SAW Filters
	TEMWELL [2007]	UHF Filters & Duplexers
	TGS CRYSTALS [2003]	Quartz Resonators, Oscillators, Ceramic & SAW Devices
	TOKYO DENPA [1949] {acquired by Murata in 2013}	Quartz Crystala, Crystal Oscillators, Crystal Filters
	TOTAL FREQUENCY CONTROL [1988]	Resonators & Oscillators, Quartz Filters
	TOYOCOM [1891] {merged with Epson in 2005}	Resonators, Oscillators, Filters
	TRANSKO ELECTRONICS [1992]	Resonators, Oscillators, VCXO, TCXO Filters
	TXC [1983]	Quartz Resonators, Crystal Oscillators
u
	UNIVERSAL TECHNOLOGIES GROUP	Quartz Resonators, Filters, Oscillators
v
	V.TORCH ELECTRONICS [1994]	Ceramic Resonators, SAW Filters
	VALPEY-FISHER [1931] {acquired by CTS in 2011}	Resonators, Oscillators
	VECTRON INTERNATIONAL [1966] {acquired by Dover in 1992} {acquired by Microsemi in 2017} {part of Microchip from 2018}	Resonators, VCXOs
w
	WENZEL ASSOCIATES [1978] {acquired by BEI Precision in 2019} {acquired by Quantic Electronics in 2021} {Quantic Wenzel now}	Crystal Oscillators
	WI2WI [2004]	Resonators, Crystal Oscillators & Filters
	WTL INTERNATIONAL [2012]	Quartz Resonators, Filters, Oscillators
x
	XSIS ELECTRONICS [1978]	HiRel Crystal Oscillators
y
	YAMAGUCHI ELECTRIC [1946]	Automotive Piezo Buzzers
	YANGXING TECHNOLOGY [1986]	Quartz Crystals, Crystal & MEMS Oscillators, SAW Devices, Ceramic XTALs
	YANTAI CN ELECTRONICS [1998]	Quartz Resonators, Filters, Oscillators
	YOKETAN [1995]	Quartz Resonators, Oscillators & Filters
	YUECHUNG INTERNATIONAL [1994]	Quartz Resonators, Filters, Oscillators, Ceramic and SAW Filters & Resonators

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