Edmond-based American Health Staffing Group has been acquired by Littlejohn & Co. LLC, a private investment firm headquartered in Connecticut. AHSG identifies as a major health care staffing platform serving hospitals and outpatient clinics across all 50 states. In addition to its main offices in Edmond, it has additional locations in Michigan, Oregon, South Carolina and Texas. The company provides travel nursing, allied health, pharmacy, dialysis, interim leadership, managed services, non-clinical and software-as-a-service, or SaaS, technology in thousands of facilities.