Amerigroup Corporation, through its subsidiaries, operates as a multistate managed healthcare company focused on serving people, who receive healthcare benefits through publicly sponsored programs, such as Medicaid, State Children’s Health Insurance Program (SCHIP), FamilyCare, and Special Needs Plans (SNP).

America Service Group Inc., is a leading provider of correctional healthcare services in the United States. America Service Group Inc., through its subsidiaries, provides a wide range of healthcare and pharmacy programs to government agencies for the medical care of inmates.

Amedisys, Inc. provides home health care and hospice services in the United States. Its home health care services includes skilled nursing, home health aides, physical therapy, occupational therapy, speech therapy, medical social workers, specialized nursing programs, such as cardiac, diabetes, pain management, wound care, infusion therapy, oncology, and psychiatric services. In addition, the company offers disease management programs, including wound care, cardiac, diabetes, rehabilitation, and surgical recovery disease management programs. Additionally, it provides private duty services, including skilled nursing services and therapists, as well as certified nursing assistants and home health aides.

Amarin Corporation is a neuroscience company focused on the research, development and commercialisation of novel drugs for the treatment of central nervous system disorders. Amarin’s leading pipeline product, MiraxionTM, is in phase III development for Huntington’s disease and in phase II development for depression.

Almost Family, Inc. provides home health nursing services. It operates through two segments Visiting Nurse and Personal Care. The Visiting Nurse segment provides medical services in patients’ homes. The Personal Care segment provides personal care services in patients’ homes. The company has service locations in Kentucky, Florida, Maryland, Ohio, Connecticut, Massachusetts, Alabama, and Indiana.

Allscripts is the leading provider of clinical software, connectivity, and information solutions for more than 20,000 physicians across the country. Its solutions reach from the physician to the patient to all stakeholders in the healthcare delivery process. Allscripts helps connect physicians to each other and to the entire community of care including patients, hospitals, labs, and pharmacies, providing a more seamless patient experience.

Allion Healthcare, Inc. is a specialty drug distributor focusing on patients with HIV and AIDS. The company fulfills prescriptions for necessary medications at its seven distribution centers and delivers them to patients, doctors’ offices, and clinics nationwide. Allion also offers special software and packaging of drug orders — pre-filled pill boxes that are intended to help patients stick with their medication regimens.

Albany Molecular Research, Inc. (AMRI) is a chemistry-based drug discovery, development and manufacturing company, focusing on small molecule prescription drugs. AMRI provides chemistry expertise at all stages of the drug discovery process, from identifying leads for validated targets, to lead optimization, scale-up, in vitro metabolism, and cGMP synthesis and manufacturing for clinical trials and commercial products.

Air Methods Corporation is one of the world’s leading airborne healthcare companies, providing emergency transportation and medical services using both a hospital-based and a community-based model of service throughout the United States. The Company also provides air medical and aerospace products and services to commercial and military customers throughout the world.

Affymetrix, Inc. engages in the development, manufacture, sale, and servicing of consumables and systems for genetic analysis in the areas of life sciences and clinical healthcare. The company offers GeneChip microarray platform, which includes disposable DNA probe arrays containing genetic information on a chip; reagents for extracting, amplifying, and labeling target nucleic acids; a fluidics station for introducing the test sample to the probe arrays; a hybridization oven for optimizing the binding of samples to the probe arrays; a scanner to read the fluorescent image from the probe arrays; and software to analyze and manage the resulting genetic information obtained from the probe arrays.

AHPC Holdings, Inc., engages in the marketing and distribution of medical examination, foodservice, and industrial gloves in the United States. It markets a line of disposable gloves, including latex, vinyl, synthetic, and nitrile examination used primarily in the foodservice, nonacute medical, dental, nursing home, and retail industries. In addition, the company offers other products, including polygloves, heavy-duty gloves, headwear, aprons and bibs, food storage bags, and educational services.

Aksys, Ltd. engages in the development and sale of hemodialysis products and services for patients suffering from end-stage renal disease, commonly known as chronic kidney failure, in the United States and the United Kingdom. The company offers an automated personal hemodialysis system, known as the Aksys PHDa Personal Hemodialysis System (PHD System), which is designed to enable patients to perform frequent hemodialysis at alternate sites, such as their own homes.

iSoft is one of the world’s leading suppliers of advanced software applications for the healthcare sector. Its products are used by more than 8,000 organisations in 27 countries for managing patient information and driving improvements in healthcare services. iSoft continuee to focus on developing innovative application solutions for all its target markets, and it has over 1,400 technology specialists engaged in software design, development and solution delivery.

Abiomed, Inc. engages in the development, manufacture, and marketing of medical products to assist or replace the pumping function of the failing heart. ABIOMED manufactures and sells the AB5000 Circulatory Support System and the BVS 5000 Biventricular Support System for the temporary support of patients with failing but potentially recoverable hearts.

Alcon Inc. is a $2 billion global leader in the research, development, manufacturing and marketing of pharmaceutical, medical device and systems products in the ophthalmic and vision care industry. Its pharmaceutical products include a line of products to treat glaucoma; anti-infectives, anti-inflammatories, and combination therapies to treat bacterial, viral, and fungal infections of the eye, as well as to control ocular inflammation; products for the treatment of ocular allergies; and generic ophthalmic products and otic pharmaceuticals.

Vision Service Plan (VSP) is the nation’s leading provider of eyecare wellness benefits. More than 44 million members receive VSP coverage through their employer. VSP provides a wide range of benefit packages, serving both small and large companies. More than 22,000 businesses nationwide provide VSP eyecare health plans to their employees. VSP has a vast network of optometrists and ophthalmologists to serve the eyecare needs of its members. The average American has access to a VSP doctor within 10 miles of their home or work.

Griffin Hospital is a not-for-profit tax-exempt subsidiary of the Griffin Health Services Corporation. A 160-bed acute care community hospital in the heart of the lower Naugatuck Valley, Griffin has over 200 active and courtesy physicians who have admitting privileges. Griffin Hospital has received national recognition and acclaim for creating a facility and approach to patient care responsive to the needs of patients

A.D.A.M. Inc., is a leader in the consumer health information market. It provides health information for general health concerns, specific diseases, medical conditions and treatments, surgical procedures, drug information, and specialty health subjects, such as women’s and children’s health, nutrition, and alternative medicine.

Nicholas Piramal is one of India’s largest companies that provide innovative healthcare solutions to address prevention, diagnosis and treatment of diseases. Poised to emerge as India’s pharma power house, it has an unmatched record of managing business partnerships, a proven commitment to Intellectual Property Rights, a US FDA site-approved plant, and strong brand management and sales capabilities. Nicholas Piramal India Limited is one of India’s largest companies with an unmatched record of managing JVs/Alliances/Partnerships, and a proven commitment to IPR.

Abaxis produces point-of-care blood analyzers which provide clinicians with rapid blood-constituent measurements for both humans and animals. The analyzers are designed to be portable, require minimal training, provide on-the-spot results, and offer built-in quality control and calibration. The analyzers come with the reagent discs required to perform several of the most common blood tests. Abaxis markets the system under the name Piccolo in the human medical market and under the name VetScan in the veterinary market.

Nobel Biocare is the world leader in innovative esthetic dental solutions and a one-stop-shop for restorative esthetic dentistry, offering a wide range of innovative Crown & Bridge & Implant products, as well as training & education and clinically documented treatment concepts. Its solutions enable dental specialists, general practitioners and dental technicians to offer patients high esthetic new teeth.

Community Health Systems (CHS) is the largest non-urban provider of general hospital healthcare services in the United States in terms of number of acute care facilities.

Henry Schein, Inc. is the largest distributor of healthcare products to office-based practitioners in the combined North American and European markets. Customers include dental practices and laboratories, physician practices, and veterinary clinics, as well as government and other institutions.

Chiron is a multi-dimensional company with businesses in biopharmaceuticals, vaccines and blood testing. By developing new products, exploring new indications for existing products and expanding its market reach, Chiron will continue to bring improvement to health around the globe.

Applera Corporation is a life sciences company with a mission to improve human health and society by understanding and applying the power of biology to develop breakthrough research technologies, diagnostic products, and drugs to improve the human condition. Applera Corporation consists of two business groups — the Applied Biosystems group and the Celera Genomics group.

Varian Medical Systems, Inc., is the world’s leading manufacturer of integrated cancer therapy systems, which are used to treat thousands of patients per day. The company is also a premier supplier of X-ray tubes and flat-panel digital subsystems for imaging in medical, scientific, and industrial applications.

Universal Health Services (UHS) is one of the nation’s largest and most respected healthcare management companies, operating behavioral health facilities and acute care hospitals, and ambulatory surgery and radiation centers nationwide.

DaVita provides dialysis services for those diagnosed with chronic kidney failure, a condition also known as chronic kidney disease (CKD). It serves nearly 55,000 patients in 37 states and the District of Columbia from over 665 outpatient dialysis centers that it currently operates. DaVita also provides acute inpatient dialysis services in over 369 hospitals across the country.

Lincare Holdings Inc. provides oxygen and other respiratory therapy services to patients in the home. LNCR also provides infusion therapy services and supplies home medical equipment.

Synthes is a leading global medical device company. It develops, produces and markets instruments, implants and biomaterials for the surgical fixation, correction and regeneration of the human skeleton and its soft tissues. It is present in every continent of the world and employs approximately 7000 employees.

Beckman Coulter, Inc. is a leading manufacturer of biomedical testing instrument systems, tests and supplies that simplify and automate laboratory processes. Spanning the biomedical testing continuum—from pioneering medical research and clinical trials to laboratory diagnostics and point-of-care testing—Beckman Coulter’s 200,000 installed systems provide essential biomedical information to enhance health care around the world.

Dentsply International provides the dental community with innovative, high quality, cost effective dental products. The Company has grown to become the largest professional dental products company in the world. From its facilities in 22 nations on six continents, the Company distributes its dental products in over 100 countries under some of the most well established brand names in the dental industry.

Terumo Europe NV manufactures, exports, imports, markets and sells a wide range of quality products for angiography, cardiology and cardiovascular systems, transfusion, clinical test systems and patient monitoring which comply with the highest standards in the medical world and constantly contribute to the healthcare of people in Europe.

Patterson Dental provides a virtually complete range of consumable dental products, clinical and laboratory equipment, and value-added services to dentists, dental laboratories, institutions and other healthcare providers throughout North America. Patterson Dental has the largest direct sales force in the industry, totaling nearly 1,300 sales representatives and equipment/software specialists serving the United States and Canada.

Thermo Electron Corporation is the world leader in analytical instruments. It serves pharmaceutical, biotechnology, academic, government, and other research and industrial laboratory markets, as well as the clinical laboratory and healthcare industries.

IMS Health is the leading provider of business intelligence and strategic consulting services for the pharmaceutical and healthcare industries. It is a global company, with 6,400 employees and a presence in 100+ countries worldwide.

Health Net is among the most respected health care companies in California. It has an extensive network of more than 48,000 physicians, 750 physician group locations, and 4,600 pharmacies – all working together to serve more than 2.5 million members.

Hospira is a specialty pharmaceutical and medication delivery company launched from the core global hospital products business of Abbott Laboratories. Bringing proven leadership and a nearly 70-year track record of producing high-quality products, Hospira provides a breadth of technology solutions that help improve the safety and effectiveness of patient care.

C. R. Bard, Inc. is a leading multinational developer, manufacturer, and marketer of innovative, life-enhancing medical technologies in the fields of Vascular, Urology, Oncology, and Surgical Specialty products. Bard markets its products and services worldwide to hospitals, individual health care professionals, extended care facilities, and alternate site facilities.

Omnicare is a leading provider of pharmaceutical care for seniors. Omnicare’s experienced staff of pharmacists serve residents in skilled nursing, assisted living and other healthcare facilities, comprising approximately 1,090,000 beds in 47 states in the United States and Canada.

Triad Hospitals, Inc., owns and manages hospitals and ambulatory surgery centers in small cities and selected larger urban markets. The company has 52 hospitals and 9 ambulatory surgery centers in 15 states with approximately 8,640 licensed beds. In addition, through its QHR subsidiary, it provides hospital management, consulting and advisory services to more than 200 independent community hospitals and health systems throughout the United States.

Gambro is a global medical technology and healthcare company with leading positions in renal care - services and products - and blood component technology.

WellChoice, Inc. is the parent company of the largest health insurer in the State of New York based on PPO and HMO membership. Through its subsidiaries, it offers managed care and traditional indemnity products to approximately 5 million members nationwide. Its service areas include the New York metropolitan area, where it holds a leading market position covering over 22% of the population, parts of upstate New York and sixteen counties in New Jersey. It has the exclusive right to use the Blue Cross and Blue Shield names and marks in 10 downstate New York counties and one or both of these names and marks in selected counties in upstate New York.

Laboratory Corporation of America Holdings’ principal activity is to offer clinical laboratory tests that are used by the medical profession in routine testing, patient diagnosis and in the monitoring and treatment of disease.

St. Jude Medical, Inc. (NYSE:STJ) is a $2.3 billion global cardiovascular device company with headquarters in St. Paul, Minnesota USA. The company sells products in more than 130 countries and has over 20 operations and manufacturing facilities worldwide.

Coventry Health Care was established in 1986 as a provider of managed health care services, offering members a wide choice of options, high standards of care and affordable rates. Since our founding, Coventry has experienced dramatic growth, increasing membership and an expansion of its service areas.

Coventry Health Care is national managed health care company based in Bethesda, Maryland operating health plans, insurance companies, network rental service companies, and worker’s compensation service companies. Coventry provides a full range of risk and fee-based managed care products and services, including HMO, PPO, POS, Medicare Advantage, Medicaid, Worker’s Compensation and Network Rental to a broad cross section of employer and government-funded groups, government agencies, and other insurance carriers in all 50 states as well as the District of Columbia and Puerto Rico.

Tenet Healthcare owns or operates some 80 acute care hospitals with more than 19,600 beds in 13 states. The firm has four regions: California, Central Northeast-Southern States, Florida-Alabama, and Texas-Gulf Coast. Tenet’s acute care hospitals serve as cornerstones to vast regional health care networks. These regional networks include specialty hospitals, outpatient surgery centers, home health agencies, rehabilitation and psychiatric hospitals, HMOs, and long-term care facilities.

Fresenius Medical Care is one of the largest dialysis providers in the world. Its staff treats nearly 120,000 patients at its 1,560 dialysis clinics worldwide and the company also provides outpatient services at nearly 1,200 US clinics. Fresnius also offers renal care through a joint venture with Kaiser Permanente, the US’s big not-for-profit HMO which serves Kaiser Foundation Health Plan members. In addition to performing dialysis, Fresenius makes dialysis machines, dialyzers, and other supplies.

Express Scripts is one of the largest pharmacy benefits management companies in the US. It has more than 50 million members in the US and Canada. Members have access to a network of about 58,000 retail pharmacies and about a dozen mail-order pharmacies. Express Scripts processes some 400 million prescriptions per year, designs formularies, and offers such services as disease management programs, consumer drug data analysis. Its Pharma Business Solutions segment offers specialty drug packaging, drug sample distribution, and other distribution services. Clients include HMOs and other health insurers, self-insured businesses, and union benefits plans.

Quest Diagnostics is the world’s leading clinical lab. The company performs nearly 140 million tests annually, including routine tests such as cholesterol checks, Pap smears, HIV screenings, and alcohol tests. Quest Diagnostics also performs clinical trials and esoteric testing (such as genetic screening and toxicology) through its Nichols Institute Diagnostics arm. The company serves doctors, hospitals, HMOs, and other labs, as well as corporations, government agencies, and prisons. The firm has more than 1,900 patient services centers where samples are collected, along with 30 primary labs and some 140 rapid response labs throughout the US and in Mexico and the UK.