Shenzhen Crystal Technology Industrial Co., Ltd.
Manufacturer of quartz crystal, crystal oscillator, SMD crystal, ceramic resonator and saw filter. Includes product descriptions, and reliability test and quality control flow diagrams.
http://crystal.telecomnet.com.tw/

Berg's Rock Shop Rock
rock tumblers, Estwing rock hammers, and lapidary supplies,rockhounds,rockhound
http://www.bergsrockshop.com/

ITTI Co Ltd
Manufacturer of crystal, crystal oscillator, monolithic crystal filter, ceramic resonator and crystal oscillator.
http://www.itti-co.com

Crystal Ascension
Great prices on quartz crystals, chakra tuned quartz singing bowls, original and custom artwork, hand-made drums and leather goods, music, and jewelry! Let crystals help you in your ascension process.
http://www.crystalascension.com

Crystal D Creations
Crystal and glass awards and recognition products, includes catalog, specials and new inventory, and crystal facts.
http://www.crystal-d.com/

William Yeoward Crystal
Manufacturers of fine reproduction crystal originally from the 18th and 19th centuries by English and Irish crystal makers. Located in the United Kingdom.
http://www.williamyeowardcrystal.com/

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 available for download.
http://www.pdixtal.com/

Macedonian Rock Art Research Centre
The Center has discovered more than 460,000 rock drawings. Aims, history, activities, publications and personnel of the Center. Illustrated outline of rock art in Macedonia. World rock art congress in 2002.
http://www.unet.com.mk/rockart/

Piezo Technology, Inc.
A manufacturer of frequency control products such as crystal oscillators, crystal filters, lc filters, and crystal resonators.
http://www.piezotech.com

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.
http://www.ndk.com/