The skilled engineers and craftspeople at The Air Preheater Company offer a strong blend of design and Machining - Wellsville, NY Welding - Wellsville, NY manufacturing talents and capabilities. This enables us to handle the diverse needs of our customers from simple fabrication to the design and production of complex machined assemblies and systems. The  manufacturing facilities in Wellsville, New York and Concordia, Kansas, are being continuously upgraded to meet the changing needs of our customers. These shops offer a number of machines and processes that provide unique manufacturing capabilities for a wide range of products and services. Automatic Welding - Concordia, KS Both facilities are certified to AWS.D1.1 and ASME Section I and Section VIII certifications. The Concordia shop is also certified to ASME Section IV - Heating Boilers ("H" Stamp). The Wellsville facility is certified to ISO 9001 for its quality system and is an OHSHA VPP STAR site for its safety program.