Castlerock Self Storage Achieves Success Running Unmanned

PHOENIX, Arizona – May 24, 2010 – OpenTech is pleased to announce that Castlerock Self Storage is running an unmanned self storage facility. Castlerock Self Storage is a subsidiary of the Sentry Management Corporation, owned by Mark Shearholdt. Shearholdt is new to the self storage industry with his property management business occupying most of his time. Like many other property management companies, Shearholdt had an opportunity to make an investment in self storage and took it.

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