Sigma Imaging Technologies, Inc. is a New Jersey based medical imaging engineering firm specializing in CT and MRI sales and ... service. Sigma was founded by engineers who have been in the medical imaging industry since its inception. Then and now, we have thrived based on our reputation of providing brilliant and economical engineering solutions to our customers. In recent decades, increasing demand has transformed Sigma from a small, smart, medical engineering firm to a national provider of CT and MRI service and sales support. read more