LONDON (Reuters) - Private equity firm Blackstone (>> Blackstone Group LP) has appointed more banks to help prepare for an initial public offering (IPO) of shares in its European warehouse owner Logicor, that could be valued at 13 billion euros (11.5 billion pounds), according to two sources familiar with the matter.

Wall Street banks Morgan Stanley (>> Morgan Stanley), Goldman Sachs (>> Goldman Sachs Group Inc), Bank of America Merrill Lynch (>> Bank of America Corp) have been selected by Blackstone to work on the potential listing in London alongside Citi (>> Citigroup Inc), although no final decision to proceed has been taken, according to one of the sources.

Boutique investment bank PJT Partners is acting as Logicor's IPO adviser and has helped the London-based firm selecting the banks underwriting the deal, another source familiar with the matter said.

Blackstone declined to comment.

Logicor was founded by Blackstone's real estate division in 2012 to manage and operate its European logistics assets. Counting Amazon (>> Amazon.com, Inc.) among its clients, it has become the largest owner of European logistics and distribution properties, covering a total of 13.6 million square metres across Europe.

Reuters reported in December that Blackstone was hiring banks to prepare for an IPO of Logicor, several people with knowledge of the situation said at the time.

Goldman Sachs and Eastdil Securities had already been chosen to help with the listing but the global coordinators had not yet been appointed, one of the sources involved in the process said.

Sky News first reported the appointments.

($1 = 0.9429 euros)

(Additional reporting by Greg Roumeliotis in New York; Writing by Anjuli Davies; Editing by Rachel Armstrong, Ruth Pitchford)

By Pamela Barbaglia and Dasha Afanasieva