Steven E. Davis

PMSI, Inc. is engaged in the provision of managed care services and products for workers' compensation. It offers technology-enabled, clinically driven services for pharmacy, medical services, equipment and settlement solutions. The company was founded in 1976 and is headquartered in Tampa, FL.

APS Healthcare, Inc. had engaged in the provision of behavioral healthcare and disease management services as well as employee assistance programs. It offered customized mental and substance abuse healthcare services. The firm worked collaboratively with medicaid agencies, state and local governments, health plans, employers, and labor trust groups. The company was founded by Kenneth A. Kessler in 1992 and was headquartered in White Plains, NY.

ChapterHouse LLC provides health care companies & related investors with consultancy services for joint venture and acquisition assessment, leadership development, market analysis, revenue acceleration & strategy development. Its customers include CoreSource, Aetna and Healthaxis (health care management software). The company was founded in 1997 by Tom Main and is headquartered in Lisle, IL.

One Call Corp. operates as a healthcare network management company. It offers products and services with focus on injured workers needs. The firm offers physical therapy, diagnostics, medical equipment and dental solutions. The company is headquartered in Jackonsville, FL.