News Mattress Firm To Acquire Mattress Giant, Becoming Largest U.S. Specialty Sleep Retailer by Nate Hunter April 11, 2012 Houston — Over the last year, Mattress Firm Holding Corp. opened 41 stores and completed the acquisition of 55 stores from Mattress Giant. This year, Mattress Firm plans to acquire Mattress Giant. Continue Reading April 11, 2012 0 FacebookTwitterPinterestEmail