Custom Software Developer Home / Software Development / Colorado, USA / Greeley / 80631 / Syngistic, LLC Syngistic, LLC - Software Development services, Colorado, USA Syngistic, LLCHome - Software Development services, Colorado. Syngistic, LLC, 3260 W 10th St, Greeley, CO 80631, 80631, USA(970) 351-0054http://www.syngistic.com Custom Software Developer Services offered in Colorado: Bespoke Software Development, Custom Software Development, Software Design, Application Development, Embedded Software Development, Business Software Solutions