C. Winkle

Mariner Health Care, Inc. provides healthcare facilities. It offers skilled nursing, rehabilitation, social and nutritional services, activity programs, wound services, short term care, long term care, respite care and other related services. Mariner Health Care serves patients in the United States. The company is headquartered in Sparks, MD.

MQ Associates, Inc. operates as a holding company with interest in diagnostic imaging services. It operates independent, fixed-site, outpatient diagnostic imaging centers in the U.S. through its subsidiaries. The firm's centers provides services using a variety of technologies including magnetic resonance imaging, computed tomography, nuclear medicine, general radiology, ultrasound, bone densitometry, and mammography. The company was founded in 1993 by John K. Luke and is headquartered in Alpharetta, GA.

MedQuest, Inc. owns and operates diagnostic image centers. The company provides diagnostic imaging services using technologies including magnetic resonance imaging, computed tomography, nuclear medicine, general radiology, bone densitometry, ultrasound, and mammography. It is headquartered in Alpharetta, GA.

IHS, Inc. provides traditional and on-line critical information and consulting services. The firm renders its services to customers across global interconnected capital intensive industries including energy and natural resources, chemicals, technology, automotive, aerospace, defense, maritime, and trade. The company was founded by Richard E. O'Brien in 1959 and is headquartered in Englewood, CO.

Integrated Health Services, Inc. provides post-acute healthcare services. Its Post-acute care is the provision of a continuum of care to patients following discharge from an acute care hospital. Its post-acute care services and products include inpatient services, home respiratory care & durable medical equipment, diagnostic services and lithotripsy which is a non-invasive technique that uses shockwaves to disintegrate kidney stones primarily on an outpatient basis. The company's post-acute care network is designed to address the cost containment measures implemented by private insurers & managed care organizations and limitations on government reimbursement of hospital costs that have resulted in the discharge from hospitals of many patients who continue to require medical and rehabilitative care.

Sunrise Senior Living, Inc. provides senior and assisted living services. It offers independent and assisted living, care for individuals with Alzheimer's and other forms of memory loss, as well as nursing and rehabilitative care. The company was founded by Paul J. Klaassen and Terry Klaassen in December 1981 and is headquartered in McLean, VA.