Contact Us (906) 482-2731 | info@superiorblock.com HOME PRODUCTS WE MANUFACTURE PRODUCTS WE SELL GALLERY HISTORY CONTACT Warm up for winter. Visit our showroom to see our wide selection of hearthstone and fireplaces. Fireplaces Visit Our Showroom Keweenaw Construction Materials Based in Houghton, MI, we operate a block manufacturing facility and a showroom stocked with a large selection of building materials and tools. Production Facility We manufacture a variety of block products for commercial, residential, and DIY projects and have been recognized nationally for our production versatility. Products We Manufacture Showroom & Warehouse Our showroom and warehouse facilities are stocked with a huge selection of building materials, fireplaces, manufactured stone, tools, and more. Products We Sell Our History Since 1946, Superior Block has been serving contractors, landscapers, and DIY homeowners in the Western Upper Peninsula and beyond. We are dedicated to quality, service, and community involvement. Photo Timeline Michael and Dan Lorenzetti, 4th of July Parade, 1985 Project Gallery We serve contractors, landscapers, and DIY homeowners in the Western Upper Peninsula and beyond. Let us help you plan your next project and find the right materials to make it stand out. Full Gallery Inside Our Block Factory Our manufacturing facility is capable of producing over 6,000 blocks per day. On average, we produce about 500,000 blocks per year. Copyright © 2021 Superior Block Co. Inc. All rights reserved.