Profile: Didions Mechanical is a complete industrial mechanical contracting company. We are an A.S.M.E. code certified shop. We work with numerous types of steel, chromes and exotic alloys. Our services include radiography, stress relieving, sandblasting, painting, machining, engineering, design, cold shocking, hydro testing, decay testing and pneumatic testing. We offer pressure vessels, heat exchangers, process & power piping systems, autoclaves and cryogenic vessels.