Located in Tulsa, Oklahoma, Stone Age Manufacturing is a family-owned and operated business, who proudly manufactures all of its products in The United States of America. Their modular masonry kits are designed by 3rd generation masons who possess a lifetime of scratch-building experience in all types of masonry and fireplace construction. Stone Age Manufacturing produces the largest line of modular masonry hearth and outdoor room components in the industry, with pre-engineered fireplaces for every application. They also offer a wide variety of fire pits and wood-fired ovens in kit forms, designed for ease of assembly by experienced masons or novice installers. All Stone Age products are designed to offer a fast, efficient method of construction while providing superior strength, excellent durability, and outstanding performance in all climates and conditions.