Headquartered in Jacksonville, FL, CSI Companies partners with organizations nationwide to deliver solutions-focused workforce services. As a boutique division of RGF Staffing, one of the world’s largest recruiting and information services providers, we have the resources necessary to scale with any enterprise, yet are small enough to maintain the agility, personal service and remarkable experience we’ve become known for over the past 27 years. This is your workforce, and your business... reimagined. CSI is headquartered in Jacksonville, Fla. with a satellite location in Nashville.