San Luis Obispo-based <a href="http://ecommerce.shopatron.com/" target="_blank" title="">Shopatron</a>, which offers online order management software, is being acquired by <a href="http://www.vistaequitypartners.com/" target="_blank" title="">Vista Equity Partners</a>, a private U.S.-based equity firm focused on investing in software and technology-enabled businesses.
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