Sierra Mattress Company | 88 followers on LinkedIn. YOUR LOCAL MATTRESS STORE LOCATED IN NORTHERN NEVADA | “Northern Nevada residents, we know you work hard for your money and deserve a good night’s rest on a high quality mattress at an affordable price. That’s why we founded Sierra Mattress Company of Reno– to serve you my friends and neighbors and the local community. We are tailored toward the wise and savvy consumer who is tired of paying high retail prices which support fancy showrooms, extensive and end-less advertising campaigns, commissioned salespeople, out-of-state corporate headquarters and fat-cat corporate executive salaries.