Question: Which boxing promotion company is Michael Conlan currently signed with 

Context paragraphs:
Iron Mike Productions: Iron Mike Productions (formerly Acquinity Sports) was a boxing promotion company, based in Deerfield Beach, Florida, United States.  Acquinity Sports was founded in 2012 by Garry Jonas, CEO of Acquinity Interactive.  Jonas partnered with former heavyweight champion Mike Tyson in 2013, and changed the name of the company to Iron Mike Productions.  They represent a diverse roster of boxers., including two-time Iraq War Veteran and undefeated Sammy Vazquez, Jr., Ukrainian amateur world champion, Ivgen Khytrov, super bantamweight champion JC Payano, and top U.S. amateur prospect, Erickson Lubin.

Susi Kentikian: Susianna "Susi" Levonovna Kentikian (Armenian: Սյուզի Կենտիկյան ; born Syuzanna Kentikyan on 11 September 1987) is an Armenian-German professional boxer.  She was born in Yerevan, Armenian SSR, but left the country with her family at the age of five because of the Nagorno-Karabakh War.  Kentikian has lived in Hamburg since 1996 and began boxing at the age of twelve.  Following a successful amateur career, she turned professional in 2005 upon signing with the Hamburg-based Spotlight Boxing promotion.

Michael Conlan (boxer): Michael John Conlan (born 19 November 1991) is an Irish professional boxer from Belfast.  He is currently signed with Top Rank promotion.  He competed for Ireland at amateur level.

Danny O'Connor (boxer): Daniel Thomas O'Connor (born March 30, 1985, in Framingham, Massachusetts) is an American professional boxer in the Light Welterweight division.  O'Connor currently fights for the boxing promotion Murphys Boxing, which was founded by Ken Casey of the Boston punk band, Dropkick Murphys.

Duke Micah: Duke Akueteh Micah (born 16 September 1991) is a Ghanaian boxer.  He competed in the Men's flyweight division in the boxing at the 2012 Summer Olympics.  He won his first bout against Jason Lavigilante of Mauritius by 18 points to 14.  In the second round, he lost to the Irish boxer, Michael Conlan, losing by 19 points to 8.

Bob Arum: Robert Arum (born December 8, 1931) is an American lawyer, boxing promoter and businessman.  He is the founder and CEO of Top Rank, a professional boxing promotion company based in Las Vegas.  He also worked for the US Attorney's Office for the southern district of New York in the tax division during his legal career before moving into boxing promotion.

Gary O'Sullivan: Gary "Spike" O'Sullivan (born 14 July 1984) is an Irish professional boxer who has formerly held the WBO International and Irish middleweight titles.  He has also acted and has performed stunts in the 2007 film "Strength and Honour".  O'Sullivan is a member of Murphy's Boxing, a boxing promotion founded by Ken Casey of the Boston punk band Dropkick Murphys.

Top Rank: Top Rank, Inc. is a boxing promotion company founded by Jabir Herbert Muhammad and Bob Arum.  It was incorporated in 1973 and is based in Las Vegas, Nevada.

Kathy Duva: Kathy Duva is an American boxing promoter and current CEO of Main Events, a New Jersey-based boxing promotion company.

Top Rank (disambiguation): Top Rank is a boxing promotion company in Las Vegas, US.

Supporting paragraphs: Michael Conlan (boxer) Top Rank
Answer: Top Rank