Humana is one of the largest private health insurers in the US with a focus on administering Medicare Advantage plans. The firm has built a niche specializing in government-sponsored programs, with nearly all its medical membership stemming from individual and group Medicare Advantage, Medicaid, and the military's Tricare program. The firm is also a leader in stand-alone prescription drug plans for seniors enrolled in traditional fee-for-service Medicare. Beyond medical insurance, the company provides other healthcare services, including primary-care services, at-home services, and pharmacy benefit management.

Humana is one of the largest private health insurers in the US with a focus on administering Medicare Advantage plans. The firm has built a niche specializing in government-sponsored programs, with nearly all its medical membership stemming from individual and group Medicare Advantage, Medicaid, and the military's Tricare program. The firm is also a leader in stand-alone prescription drug plans for seniors enrolled in traditional fee-for-service Medicare. Beyond medical insurance, the company provides other healthcare services, including primary-care services, at-home services, and pharmacy benefit management.

Cisco Systems is the largest provider of networking equipment in the world and one of the largest software companies in the world. Its largest businesses are selling networking hardware and software (where it has leading market shares) and cybersecurity software such as firewalls. It also has collaboration products, like its Webex suite, and observability tools. It primarily outsources its manufacturing to third parties and has a large sales and marketing staff—25,000 strong across 90 countries. Overall, Cisco employs 80,000 people and sells its products globally.

Centene is an international healthcare company. Based in St. Louis, Centene offers services to government-sponsored and commercial healthcare providers, with an emphasis on underinsured and uninsured individuals. It is the largest Medicaid managed care organization in the U.S. and a leading provider of insurance under the Affordable Care Act. Its Specialty Services segment provides a range of healthcare products and services to managed care members and other customers.