High Temperature Furnaces: Design-Engineer-Manufacture With thousands of completed projects from our Tru-Heat pre-engineered box furnaces to our custom designed industrial furnaces and rebuild and retrofit designs; Armil CFS, Inc. is dedicated to providing sound engineering, material choice and workmanship. We design and manufacture Industrial Furnaces, Refractory Materials, and Cremation Systems, while offering a wide range of Furnace Services. Our commitment is unparalleled with over 50 years serving our customers.