Sean C. Guerin

McKesson Medical-Surgical Top Holdings, Inc. markets and distributes medical products and services. It operates through five segments: Physician, Laboratory, Dispensing, Home Care and Hospice Services. The Physician segment business provides products and services to primary care and front line specialists, including those affiliated with or owned by health systems. The Laboratory segment provides laboratory equipment, supplies and services to individual physician office laboratories, clinics and small hospital laboratories. The Dispensing segment engages in helping front line caregivers improve patient outcomes and practice strength through the detection, diagnosis and treatment of illness and disease. The Home Care and Hospice segment provides products and services to caregivers to allow them to efficiently deliver care to patients in the home or hospice settings. The company was founded by Patrick C. Kelly in 1983 and is headquartered in Jacksonville, FL.

CardioNet LLC provides cardiac monitoring services. It operates its business through two segments: Patient Service and Product Business. The Patient Service segment focuses on the diagnosis and monitoring of cardiac arrhythmias, or heart rhythm disorders, through its core mobile cardiac outpatient telemetry, event and Holter services. The Product Business segment focuses on the development, manufacturing, testing and marketing of medical devices and related software to medical companies, clinics and hospitals. The company was founded by James M. Sweeney in 1999 and is headquartered in Conshohocken, PA.

Sotera Wireless Inc. develops medical devices. It develops, markets, and sells a vital signs monitoring solution. It offers ViSi Mobile System, a platform for vital signs monitoring solution that is designed to keep clinicians connected to their patients. The company was founded in 2004 and is headquartered in San Diego, CA.

Watermark Medical, Inc. provides healthcare technology services. It is bringing solutions to physicians that will improve diagnostic speed and accuracy, increase patient comfort and create a low-cost alternative to the current sleep testing solutions available to physicians. The company was founded in March 2008 and is headquartered in Boca Raton, FL.

PDSHeart, Inc. provides cardiac event monitoring services. The company provides physician-prescribed remote and ambulatory care monitoring of non-symptomatic and symptomatic arrhythmia detection via landline, cellular telephone and internet. It also provides equipment, supplies & patient follow-ups and also offers professional components for interpreting reports. The company was founded in 2000 and is headquartered in West Palm Beach, FL.

SleepMed, Inc. provides diagnostic services for sleep disorders. The firm offers a sleep care management program for enterprise, hospitals and payors. Its services include sleep disorders lab and program management, ambulatory video EEG programs, and clinical trial services. The firm designs and produces sleep testing equipment under the DigiTrace brand. The company was founded by Richard K. Bogan in 1999 and is headquartered in Columbia, SC.

Power System Solutions Corp. provides power generation products and services. Its services include analytical studies, technical support and field services. The company was founded in 1998 and is headquartered in Conway, AR.

Alliance Family of Cos., Inc. provides diagnostic testing services. It offers diagnostic testing to identify neurological and sleep disorders. It specializes in home healthcare. The company was founded in 2006 and is headquartered in Irving, TX.