La Quinta Holdings booked ICR for communications support as the Irving, Tex.-based group of 830 hotels unveiled a $650M IPO on April 9.
Blackstone Group bought the company in 2006 for $2.3B.
LA Quinta serves the midscale hotel market through its La Quinta Inn & Suites and La Quinta Inn properties in the US, Canada and Mexico.
ICR managing director Phil Denning and VP Jason Chudoba are advising La Quinta and handling media relations. Teresa Ferguson is director of communications and PR for La Quinta.
The Wall Street Journal noted La Quinta's IPO was one of 14 in the US this week, the biggest such week since 2007.
La Quinta shares closed at $17.12 after the first day of trading, up from its $17 IPO price.