Best fortune 500 companies in Chesterfield, MO

Good health is vital to all of them , and finding sustainable solutions to the most pressing health care challenges of their world cannot wait. That's why they at Pfizer are committed to applying science and their global resources to improve health and well-being at every stage of life. They strive to provide access to safe, effective and affordable medicines and related health care services to the people who need them. They have a leading portfolio of products and medicines that support wellness and prevention, as well as treatment and cures for diseases across a broad range of therapeutic areas; and they have an industry-leading pipeline of promising new products that have the potential to challenge some of the most feared diseases of their time, like Alzheimer's disease and cancer.

Centene Corporation is at the forefront of providing quality health access for individuals across the United States, including those who are under-insured and uninsured. As a leading multi-national healthcare enterprise, Centene is dedicated to transforming the health of communities we serve by providing local services for the families and individuals in our care. In 1984, Centene Corporation was founded as Family Hospital Physician Associates, a nonprofit health plan in Milwaukee, WI, by Elizabeth “Betty” Brinn. As the company grew, Michael Neidorff joined as Centene's President and Chief Executive Officer in 1996, helping to establish the new name and move its headquarters in St. Louis, MO. By the early 2000s, Centene's positive impact on healthcare spurred additional health plans, significant growth in revenue, and its transformation into a publicly traded company. After joining the FORTUNE 500 list in 2010, Centene continued to expand by launching operations in correctional healthcare, commercial insurance, and coverage for the military community, while acquiring large companies like Health Net and WellCare. As the #1 U.S. insurer in the Health Insurance Marketplace, Centene has never lost its focus on individual care or its passion toward community health. The company currently provides coverage across the United States and internationally in Spain, Slovakia, and the UK. With local health plans all over the U.S., staying connected with those individuals and families that need care most is central to Centene's unwavering commitment to quality healthcare for everyone.

Northwestern Mutual has been helping people and businesses achieve financial security for more than 160 years. Through a holistic planning approach, Northwestern Mutual combines the expertise of its financial professionals with a personalized digital experience and industry-leading products to help its clients plan for what's most important. Northwestern Mutual delivers financial security to millions with life, disability income and long-term care insurance, annuities, and brokerage and advisory services. The company manages billion of dollars of investments owned by its clients and held or managed through its wealth management and investment services businesses. Northwestern Mutual is the marketing name for The Northwestern Mutual Life Insurance Company (NM), Milwaukee, WI (life and disability insurance, annuities, and life insurance with long-term care benefits) and its subsidiaries. Subsidiaries include Northwestern Mutual Investment Services, LLC (NMIS) (securities), broker-dealer, registered investment adviser, member FINRA and SIPC; the Northwestern Mutual Wealth Management Company (NMWMC) (fiduciary and fee-based financial planning services), federal savings bank; and Northwestern Long Term Care Insurance Company (NLTC) (long-term care insurance).

Tenet Healthcare Corporation is a diversified healthcare services company with 115,000 employees united around a common mission: to help people live happier, healthier lives. Through its subsidiaries, partnerships and joint ventures, including United Surgical Partners International, this company operates general acute care and specialty hospitals, ambulatory surgery centers, urgent care centers and other outpatient facilities.

DuPont, founded in 1802, delivers innovative products, materials and services to help solve some of the worlds biggest issues such as the unprecedented challenges in food, energy and protection. DuPont is working with customers, governments, NGOs and thought leaders. The company operates in approximately 90 countries and serves markets as diverse as agriculture, nutrition, electronics and communications, safety and protection, home and construction, transportation and apparel. DuPont is headquarted in Wilmington, DE.

Founded in 1967, WR Berkley Corporation is an insurance holding company that operates worldwide in two segments of the property casualty insurance business: Insurance and Reinsurance. The corporation consists of 54 operating units, 47 have been organized and developed internally and seven have been added through acquisition. The company is based in Greenwich, CT, and has a team of over 7,500 employees.