A123 Systems LLC is the wholely owned Chinese Company Wanxiang with no public stock.
From eTrade website:
A123 SYS INC COM AONEQ: OTC Pink - Limited Information
AONEQ Company Overview
Headquarters: Arsenal on the Charles 200 West Street WALTHAM, MA 02451 Web Address: http://www.a123systems.com
B456 Systems, Inc., formerly A123 Systems, Inc., designs, develops, manufactures and sells rechargeable lithium-ion and energy storage systems. In the transportation industry market, the Company works with global automotive manufacturers and tier 1 suppliers to develop batteries and battery systems for hybrid electric vehicles (HEVs), plug-in hybrid electric vehicles (PHEVs) and electric vehicles, (EVs). The Company's transportation business is divided into two categories: heavy-duty and passenger. As of December 31, 2011, the Company's product offerings included batteries in various sizes and forms, as well as packaged modules and fully-tested battery systems. The platform for battery and battery system development is its Nanophosphate material. In January 2013, A123 Systems LLC acquired the non-government business assets of the Company.
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