Sequential Health, LLC offers comprehensive occupational health services, ranging from onsite drug and alcohol testing programs, clinical information systems implementations to health and wellness screenings for all size companies. Global employers look to Sequential for workforce health and productivity information management services including onsite drug and alcohol testing services. We are a nationally accredited testing provider committed to delivering professional, reliable and accurate information solutions services. We provide supplemental services for other wellness providers and specialize in working with companies that have dispersed work forces nationwide.