For the highest quality crystals and oscillators at competitive prices, look no further. Not only do we offer state-of-the-art service, but our product quality assurance is second to none. We also offer: No minimum order quantities 3 week delivery or less, on domestic items Competitive offshore pricing and delivery Custom frequencies - our specialty Widest variety of styles UPDATE: ISO-9001:2000 Both Cal Crystal Lab., Inc. & Comclok, Inc. are now ISO-9001:2000