GradeHigh Elec-clock Factory
Manufactures a variety of quartz alarm and decorative clocks in China.
http://www.gh-clock.com/

Global Union Industries Co Ltd
Manufacturer of clocks such as wall clocks, LCD clocks, frosted translucent alarm clocks and personal alarms.
http://www.globalunion-ind.com.hk

How Crystal Watch Works
Quartz watches actually use quartz crystals to keep time. How can they be so accurate? Find out why quartz makes such a great time keeper.
http://www.howstuffworks.com/quartz-watch.htm

Kumkang Quartz Co., Ltd
Manufacturer of quartz ware - tubes, boats and other quartz wares for semiconductor processing.
http://www.kkquartz.co.kr/

GianTek Quartz Material (Shanghai) Co.
Chinese manufacturer of quartz tube, rod, plates/discs and other custom fused quartz products for a wide range of industrial and laboratory applications.
http://www.gian-tek.com/

Hannas K. Corp.
Hannas K. Corp. - Wholesale Contemporary Alarm Clocks, Motion Clocks, and Novelty Items
http://hannaskcorp.bizhosting.com

Chintele Quartz Technology Co Ltd
A Chinese manufacturer of piezoelectric quartz, quartz products and single crystal optical products for use in the telecommunications and general time and frequency industries.
http://www.chintele.com

National Time & Signal Corporation
Manufacturer of analog and digital clocks, master clocks, and large outdoor clocks for businesses, schools, and other institutions.
http://www.natsco.net

Frequency Electronics, Inc.
Provides frequency/time standards and synchronization products including quartz and atomic clocks, RF/microwave subsystems, DC/DC power converters, VSAT transceivers, and hybrids.
http://www.freqelec.com/

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 ranges and PDF part catalogs.
http://www.omig.com.pl/