Robert E. Wilson

Rural/Metro Corp. engages in the provision of ambulance and fire protection services. Its services include community fire protection, 911 emergency ambulance services, specialty fire protection, interfacility ambulance, personal emergency response systems, special event ambulance, wildland fire protection, and clinical excellence. The company was founded by Louis A. Witzeman on January 6, 1948 and is headquartered in Phoenix, AZ.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Providence Health & Services provides healthcare services. It offers assisted and independent living; express care; hospice and home health care; hospitals and medical centers; nursing homes and traditional care; PACE and adult day programs; providence medical group; and supportive housing. The company was founded in 1859 and is headquartered Renton, WA.

Billings Clinic provides health care services. It offers audiology, immunology, assited living, clinical services, emergency services, eye center, obstetrics and gynecology, oncology, ophthalmology, occupational medicine, and neurology. The company was founded in 1911 and is headquartered in Billings, MT.

Grant Thornton LLP provides accounting, tax and business consulting services. It offers advisory, business consulting, business risk, enterprise technology and innovation, transaction services, data analytics, cyber risk, and data integrity services. The firm serves the construction, real estate and hospitality, consumer and industrial products, energy, financial services, health care and life sciences, not for profit organizations, private equity, public sector, and technology industries. The company was founded in 1924 and is headquartered in Chicago, IL.