Founded in 1957 by Henry Patton, Acromag ( pioneered the use of magnetic amplifiers for measurement and control applications. Acromag now provides I/O devices for process instrumentation, industrial control networks, and bus-board embedded computer systems.

Acromag products are used for applications ranging from the tempering of butter for a large-scale bakery to mothballing jet fighters in humidity-free bags to positioning mirrors for lasers attempting fusion ignition, etc.

Acromag has two product divisions:
The Process Division supports customers such as DuPont, Exxon, Caterpillar, Kraft, Fluor, and Duke Energy. Process products include signal conditioners, signal isolators, alarm trips, and distributed I/O modules.
The Embedded Division provides I/O boards in VMEbus, CompactPCI, PCI, PMC and Industry Pack form factors. Typical embedded customers include Raytheon, Boeing, Sandia Labs, NASA, and ASML.