Neuronetics

Neuronetics is a Malvern, PA based, publicly traded company incorporated in Delaware in April 2003, that develops non-invasive treatments for depression and other chronic psychiatric and neurological disorders based upon neuromodulation technology. 
Neuronetics became "the first company to get FDA authorization for a transcranial magnetic stimulation (TMS) device to treat major depressive disorder in 2008."
They manufacture a transcranial magnetic stimulation device.