Insurance related services rendered to insurers, insured entities, and self-insured employers supporting the administration and management of workers compensation claims and mitigation of medical cost drivers through a custom PPO network strategy, namely, claims processing, administration, adjustment, workers' compensation claims administration, disability claims administration, administration of employee benefit plans, namely, management of medical leave of absence and risk management services; providing an on-line computer database of workers compensation insurance information to insurers, insured entities, and self-insured employers