Usa-Places.com has listed approx 6 Mattress stores in Katy. Some of the Top rated Mattress stores in Katy are- Mattress Firm Cinco Ranch, Mattress Firm Final Markdown, Mattress Firm Final Markdown, Mattress Firm Shoppes at Park West, Mattress Firm West Katy Fulshear & Amerisleep - Mattress Store Katy Houston | LaCenterra at Cinco Ranch.