Injury reporting and provider referral; automated bill review; providing access to preferred provider networks; workers' compensation case management services; direction of care for injured workers; practice management for treatment of patients covered by workers' compensation insurance; investigation and adjudication of workers' compensation claims; litigation management; utilization review and cost containment services in the field of workers' compensation; processing of workers' compensation injury reports; providing information regarding workers' compensation insurance and claims via a global computer network; providing an on-line computer database in the field of workers' compensation claims and insurance; computerized workers' compensation claims processing and information retrieval services; consulting services in the field of workers' compensation claims and insurance; computer services, namely providing on-line magazines and newsletters in the field of workers' compensation claims and insurance; printed materials, namely, stationery folders, stationery, brochures, pamphlets, magazines and newsletters concerning workers compensation insurance and claims.