Serving Every Aspect of Your MRI and CT Experience. Growing conservatively since 2002 Signature MRI, located in Ontario, CA, is quickly becoming one of the leading independent MRI service companies specializing in providing high quality MRI parts, service, sales & leasing and turnkey solutions. We pride ourselves on educating our customers, as well assisting them to make more confident investments in GE MRI systems. Signature MRI is here to help you find the right system to meet all of your imaging needs, without over-extending your budget - and can also assist you with financing. Whether you want to upgrade your current system, or find a more efficient replacement system, you’ve come to the right place. We provide site evaluations, full-service installation and hands-on training for your entire staff, as well as post-installation follow up until everyone is trained and comfortable with your new system. Signature also has an extensive parts inventory and can handle all of your preventative maintenance [PM] needs to keep your system fully functioning while reducing unexpected downtime. We strive to be one of the most competitive hands-on companies in the industry, while keeping our quality standard of parts and service above the rest. Let us show you that we are still one of the few who go out of our way to provide you with old-fashioned, one-on-one personal service.