Since 1962 Hoffman Process, Inc. designs and manufactures both heli cal-finned-tube and shell-and -tube heat exchangers to the ASME Code and TEMA standards. We work in material through hastelloy and design pressures through 3,000 psi. We also do special design and manufacturing including lethal service, special testing, welded tube-to-tubesheet joints, two-pass and cross flow shell design.