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Castle Systems, Inc. is the industry leader in Hewlett Packard NonStop hardware sales. We specialize in the purchase and resale of HP NonStop (Tandem) systems and peripherals. Working directly with the customer, we analyze requirements & customize solutions to provide the most affordable and effective hardware upgrades. All hardware that we sell is: •The highest quality at significant savings. •Meticulously refurbished and tested by our trained technicians. •Comes with a 30 day warranty. •Guaranteed to be acceptable for your HP maintenance contract.

Castle Systems, Inc Questions

Castle Systems, Inc is based in Willoughby, Ohio.

The NAICS codes for Castle Systems, Inc are [42343, 423, 42, 4234].

The SIC codes for Castle Systems, Inc are [50, 504].

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