L&L Special Furnace Co, Inc.designs and builds high temperature furnaces, ovens, kilns, quench tanks and heat treating systems. We specialize in batch production furnaces and ovens particularly applications requiring high uniformity and controlled atmosphere. L&L sells and services equipment worldwide. A 60+ reputation for sophisticated engineering, quality workmanship, excellent documentation, and professional service has resulted in a large and growing base of satisfied customers, many of them larger and very particular customers. Manufacturing and engineering are integrated in one 15,000 square foot facility just south of Philadelphia, PA Our sister company, L&L Kiln Mfg, Inc is one of the leading manufacturers of electric pottery and ceramic kilns.