Citizen Finedevice Co., Ltd. (former Citizen Finetech Miyota)
Citizen is one of the world's largest manufacturer of kHz range quartz crystals in cylindrical, plastic, metal and ceramic packages for precision watches and other applications.
Products: KHz range crystals

http://www.taisaw.com/en

MARUWA CO.,LTD
Maruwa is setting new standards for tomorrow's fine ceramics technology. The compact, high-performance models equipped with a subminiature VCO or LTCC substrate are developed to support cellular phones, tablets and many other complex applications.
Products: Voltage Controlled Oscillators / VCO to 6 GHz, others

Chequers Electronic Ltd. (China)
Chequers Electronic Ltd. (China) is one of the world experts focusing on frequency-control components based on its own advanced ceramic technology.
Products: KHz/MHz crystals, XO & VCXO, crystal/dielectric/SAW filters, ceramic IF filters, SAW/ceramic resonators, ceramic antennas, others
http://www.chequers-electronic.com

SMI INC.
SMI is a crystal technology leader specializing in crystals, clock OSC, TCXO, VCXO, MCF filters mainly for the 16KHz - 300MHz range, in different SMD and thru-hole packages.
Products: KHz / MHz crystals, XO / VCXO / TCXO / VCTCXO, monolithic crystal filters, other

SiTime, an analog semiconductor company, is revolutionizing the timing industry with silicon MEMS-based oscillators and clock generators. Their timing solutions are rapidly replacing legacy quartz crystal products by offering higher performance and reliability at a lower cost. With the robust MEMS resonators and high performance analog ICs, SiTime has developed breakthrough solutions that overcome the limitations of quartz devices.
The oscillators are 100% drop-in replacements for quartz oscillators without any design changes. Plus, the programmable architecture enables the most flexible products with more features and ultra fast lead-times. SiTime is enabling the miniaturization of electronic products. For new designs or re-design, customers can use SiTime oscillators in the industry’s smallest packages – as small as 1.5 x 0.8 mm.
Products and operations cover MEMS XO, MEMS VCO, MEMS TCXO, MEMS VCTCXO, MEMS XO 32.768 kHz… etc).

http://www.inpaq.com.tw

Fibocom Wireless Inc. is a Chinese leading Machine-to-Machine communication and LBS solutions provider. Fibocom independently designs, develops, manufactures GPRS/GSM, UMTS, LTE and NBIoT modules which enable machines, equipments, vehicles and other assets to securely communicate over wireless network

Fibocom products power M2M technology for diverse vertical markets including: automotive, tracking and tracing, industrial mobile computing, metering and smart grid, payment systems, healthcare, security systems, routers & gateways, remote maintenance & control etc.


http://www.fibocom.com/

Locosys Technology is a R&D focused company with a very strong technical team as its backbone constantly propelling it forward as a leader in the GPS/GNSS market. All team members are highly experienced and have been engaged in the field of electronics, navigational communications and GPS related applications for many years.
Locosys design capabilities and technical expertise in developing superior GPS products/modules keep us at the forefront of the GPS/GNSS market.
Mass production of the products is manufactured by self-owned ISO and TS/IATF 16949 production line. Our numerous years of experience in the GPS market, outstanding product design capabilities, high-quality products, skillful technical service and worldwide network are our biggest assets.


https://www.locosystech.com/

AUREL S.P.A.
Aurel is a well known company focusing on RF thick film technology. Their wide portfolio range include complete, short-range RF modules for telecomunication, industrial, medical, aerospace and others, for numerous standards (SRD, ISM, etc), with focus on the 315MHz - 2.4 GHz range .
Products: complete RF blocks (RX, TX and TRX), ZigBee Modules, radio modem for radio telemetry, car alarms, remote controls, others

2J Antennas
is an antenna specialist in technologies such as LTE/GSM, GPS/GNSS and Bluetooth/WiFi where foil, flexPCB or omnidirectional antennas are used.


https://www.2j-antennae.com/

From capacitors, through batteries and wireless modules of various standards to robots – the Europe-wide sales of a broad range of industrial products form the core business of Panasonic Industrial Europe. The group comprises the continental European company Panasonic Industrial Devices Sales Europe GmbH with its headquarters in Hamburg, Panasonic Industrial Devices Sales Europe (UK) GmbH located in London and Panasonic Energy Europe NV established in Brussels. In just two years after its incorporation on 1st April 1998, the company established its growth-oriented course. Some 300 people are employed in the Sales, Marketing and Support Divisions.


http://industrial.panasonic.com/eu/i/29606/bluetooth/bluetooth.html