1# Mattress Firm Merrillville Address: 1307 E 79th Ave, Merrillville, IN 46410 Reviews of the store knowledgeable. Left the store with a greater respect for a good mattress. Can’t wait to receive my new mattress next Sunday. Nate and Anita are wonderful. Nate was absolutely the best. He was so helpful. His knowledge of … Continue reading Mattress Stores Near Merrillville