Surface Combustion, Inc. is a leading manufacturer of high temperature thermal systems and offers unique solutions for industry.  

For gear and driveline components, Surface offers atmosphere, vacuum, and plasma (ion) furnaces.   Controlled atmosphere furnaces include Allcase® batch integral quench furnaces and continuous pusher tray type or roller hearth furnaces.   Vacuum furnaces include high pressure gas quench or oil quench options in single to multi-chamber designs with low pressure carburizing (LPC).  Low distortion options include optimized oil quenching, press-quench integration, low temperature plasma and gas nitriding or ferritic nitrocarburizing (FNC), and high-pressure gas quench systems.  For forged gear blanks and rolled rings Surface offers normalizing and re-heat furnaces including mesh belt or cast belt, batch, and rotary hearth furnaces.  

Our mission is to provide thermal systems and equipment, which will enhance the physical properties and surface characteristics of materials and improve the performance and competitiveness of our customer’s products.

Our purpose is to foster customer relationships through thermal processing solutions, which are based on ingenuity, reliability, technology transfer, continuous partnership, and excellent aftermarket support.

Our value and strength of Surface lies in the breadth of our product portfolio, our unparalleled process knowledge, and our commitment to customer service.

Our long-term customer relationships are testament to the value we add. We have over 250,000 thermal systems installed worldwide and with that knowledge, we can solve your manufacturing challenges.

From defining the solution, to commission, to aftermarket support, we partner with our customer for long-term success.