| HCJ_Quartz_Pte_Ltd Manufacturer of quartz crystals. |
| Hec,_Inc_ Manufacturer of frequency control devices. |
| HM_International Manufacture of frequency control products including crystals, oscillators, VCXO, VCTCXO, TCXO, OCXO, MIL/QPL oscillators and STRATUM 3 synchronization modules. |
| Hooray_Electronics_Company,_Ltd_ Manufacturer and exporter of quartz crystals and oscillators, ceramic filters and resonators. |
| How_Crystal_Watch_Works Impartial description describes how quartz crystals, quartz watches and quartz clocks work. |
| Hy-Q_International_(Australia)_Pty__Ltd_ Supplier of frequency control components including quartz crystals, crystal oscillators, crystal and ceramic filters and resonators. |
| ILSI_America,_Inc_ Manufacture SMD and leaded crystals, oscillators (TCXO, VCXO, TCVCXO and OCXO) including tight tolerances and miniature packages, resonators and filters. Online line card, search, cross reference and |
| Impact,_LLC A manufacturer of through hole and surface mount piezo crystals, oscillators. |
| International_Crystal_Manufacturing Manufacturing quartz crystals, oscillators, precision crystals and filters. |
| ITTI_Co_Ltd Manufacturer of crystal, crystal oscillator, monolithic crystal filter, ceramic resonator and crystal oscillator. |
| JAN_Crystals Manufacturer of crystal oscillators and microprocessor, AT-Strip, and custom designed crystals. |
| Klove_Electronics_bv Supplier and manufacturer of quartz crystals and clock crystal oscillators. |
| Macrobizes_Co_,_Ltd_ Manufacturer of quartz crystals, resonators, and oscillators. |
| MF_Electronics Manufacturer of crystals, oscillators, VCXOs, TCXOs and oscillator ICs. |
| MH_Electronics Manufacturer of AT cut quartz crystals and crystal devices for a variety of applications. |
| MMD_Components Manufacturer of frequency control devices, specializing in crystals and oscillators. |
| Morgan_Electro_Ceramics Development and manufacture of piezo ceramic components like plates, discs, rings, bimorphs and multilayers for sensors, actuators and transducers. From Netherlands. |
| MTI-Milliren_Technologies_Inc_ Manufacturer of quartz crystal timing references including a full line of OCXO's, TCXO's, and VCXO's. |
| MtronPTI Manufacturer of crystal oscillators, TCXOs, VCXOs, crystal and LC filters, and frequency control products. |
| My_Frequency_Inc_ Manufactures frequency control devices including quartz crystals, crystal oscillators, VCXOs and TCXOs. Includes electrical and mechanical specifications and part numbering guide. |
| Nakagawa_Electronics,_Ltd_ Manufacturer of quartz crystals, clock oscillators, ceramic resonators and filters. |
| Nexyn_Corporation Manufacture commercial oscillators for LMDS, VSAT, digital radio and test equipment (MVDS, Tele-Comm). |
| Nihon_Dempa_Kogyo_Co_,_Ltd_ Manufacturer of quartz crystal products, crystal units, VCXO, TCXO, TC-VCXO, SAW devices, crystal filters, optical components and ultrasonic transducer. |
| Nippon_Crystal Distributor of a broad range of crystals, clock oscillators, VCXOs, TCXOs, VC-TCXOs and filters. Online product specifications and PDF data sheets available for download. |
| Nofech_Electronics_Ltd_ Manufacturing high precision SC-cut, IT-cut and AT-cut quartz crystal resonators essential for ensuring high stability of OCXOs. |
| OMIG_S_A_ Manufacturer of quartz filters and quartz crystals for TCXOs, VCXOs, and OCXOs, and vacuum depositing process control quartz crystals. Site in English and Polish, and include product specification ra |
| OPT_Hellas_Custom_Frequency_Control_Components Manufacturers crystals, crystal filters, lc filters rf and microwave filters. Descriptions and catalogs and international sales network. |
| Oscilent_Corporation A full line manufacturer of crystals, oscillators, filters, and resonators including voltage controlled and temperature compensated oscillators. |
| Pletronics,_Inc_ Manufacturer of crystals (for microprocessors and communication equipment), crystal filters, and crystal oscillators (clock oscillators, VCXO, TCXO, and TCVCXO). |
| Poseidon_Scientific_Instruments Makers of low phase noise sapphire oscillators, regenerative dividers, microwave amplifiers, whispering gallery mode resonators and carrier suppression interferometers. |
| Precision_Devices,_Inc_ Manufactures crystal products in custom and SMD packages including quartz crystals, crystal filters and crystal oscillators. Online line card, specifications and PDF catalogue and data sheets availabl |
| P&Y_Crystal_Industrial_Ltd_ A manufacturer of quartz crystals includes ceramic filers, ceramic resonators, crystal oscillators, SMD oscillators, SAW resonators, SAW filters. |
| Q-Tech_Corporation A crystal oscillator manufacturer - hi reliability military QPL, space, hi temperature XO, VCO, VCXO, TCXO, OCXO. |
| Quartslab_Marketing_Ltd_ Manufacturer of quartz crystals and oscillators. Online ordering. |
| Quartz_Pro Producer of OCXO's for communication industry. |
| QuartzCom_GmbH Offers a wide range of crystal, oscillator and filter products. |
| Rakon_Limited Manufacturers of quality quartz crystal and high performance TCXO's, VCTCXO's and crystal oscillators. |
| Raltron_Electronics_Corporation Global supplier of frequency management solutions, including quartz filters, crystals, oscillators, clocks, VCXOs, TCXOs, OCXOs, Stratum 3 synchronization modules, ceramic resonators, and SAW products |
| RFX__Ltd Manufacturers of high specification quartz crystal oscillators. |
| Roditi_International Distributor of crystals for piezo-electric, laser and optical applications, components and processing and test equipment, located in London and Hamburg. |
