Why choose a graham product? Choose a category to begin: Graham Corporation is a leading designer and manufacturer of vacuum and heat transfer equipment for energy markets and process industries worldwide. Customers rely on Graham for engineered-to-order equipment to meet their complex technical challenges.Who is graham construction? Graham Construction is a leading Canadian construction company providing engineering & construction solutions for industrial and infrastructure projects. Graham Construction is a leading Canadian construction company providing engineering & construction solutions for industrial and infrastructure projects.What is the graham technical library? The Graham Technical Library contains articles developed by Graham Corporation for publication in various magazines and technical seminar presentations. The articles are organized in three categories: heat transfer, vacuum equipment, and steam surface condensers.