| eCERA_ComTek_Corporation Manufacturer of surface mount crystal and crystal oscillator, providing SMD PCXO, SMD CXO, VCXO, SMD glass series products. |
| Ecliptek_Corporation Manufacturer of quality quartz crystal frequency timing devices. |
| ECS,_Inc__International Manufacturer of piezo electric based quartz, ceramic, and lithium niobate products. |
| Electro_Dynamics_Crystal_Corp_(EDC) Manufacturer of quartz crystal products. |
| Enable_Engineering Offers a crystal oscillator programmer. |
| ESKA_Crystals Manufacturer of crystals, clock oscillators and crystal filters. |
| Euroquartz_Group Manufacturer of quartz crystals, oscillators, filters, vcxo, tcxo, ocxo. |
| Filtronetics_Inc_ Designs and manufactures frequency control products including high, low, band pass and electronic filters, txco and related oscillators and quartz crystals. |
| FOQ_Piezo_Technik_GmbH Manufacturer of crystal oscillators and quartz crystal units manufactured to customer's specifications. |
| Fordahl_Group Manufactures miniature, ultra stable oscillators. Online product specifications and PDF data sheets available for download. |
| Fox_Electronics Manufacturer of a broad range of crystals, oscillators, TCXOs, VCXOs, OCXOs and filters. |
| Frequency_Management Manufacturer of quartz crystals and oscillators. Online product specifications and PDF data sheets available for download. |
| Fronter_Electronics_Co_Ltd Manufacturer of electronics components including crystal resonator, crystal filter, clock oscillator. |
| Ftech_Corporation SAW filter design and production, in Taiwan. |
| General_Electronic_Devices Manufactures quartz crystal and clock oscillators, OCXO, TCXO, VCXO, VCO, VCTCXO. |
| Golledge_Electronics_Ltd_ Supplies frequency control products including quartz crystals, crystal oscillators, TCXOs, VCXOs, OCXOs and filters. Online catalogue and PDF data sheets available for download. |
| Greenray_Industries_Inc_ Manufactures quartz frequency control products for telecom, military, aerospace and instrumentation applications. Products include OCXOs, TCXOs, VCXOs and clock oscillators. |
| Griffon_Enterprise_Co_ Manufacturer and distributor of leaded and SMT crystal oscillators. Online product specifications and RFQ. |
| HCD_Research_Limited Design, develop and manufacture crystal oscillators and frequency and EMC equipment. Online product specifications and service capability statement. |
| 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. |
