Question: Accredo is a wholly owned subsidiary of an American Fortune 100 company that had 2016 revenues of what?

<P0-S0> Express Scripts Holding Company is an American Fortune 100 company. <P0-S1>  As of 2017, the company is the 22nd-largest in the United States as well as the largest pharmacy benefit management (PBM) organization in the United States. <P0-S2>  Express Scripts had 2016 revenues of $100.752 billion. <SEP> <P1-S0> Accredo is a specialty pharmaceutical and service provider for patients with complex and chronic health conditions. <P1-S1>  Accredo provides specialty drugs, drugs that cost more than $600 per month, with the average being $10,000 a month, which treat serious conditions such as multiple sclerosis, rheumatoid arthritis, hemophilia and cancer. <P1-S2>  It is a wholly owned subsidiary of Express Scripts and is headquartered in Memphis. <SEP> <P2-S0> American International Group, Inc., also known as AIG, is an American multinational insurance corporation with operations in more than 80 countries and jurisdictions. <P2-S1>  As of December 31, 2016, AIG companies employed 56,400 people. <P2-S2>  The company operates through three core businesses: Consumer Insurance (49% of 2016 revenues), Commercial Insurance (43% of 2016 revenues), and Other Operations (8% of 2016 revenues). <P2-S3>  Commercial Insurance includes Liability and Financial Lines and Property and Speciality Risks. <P2-S4>  Consumer Insurance includes Individual Retirement, Group Retirement, Life Insurance, and Personal Insurance. <P2-S5>  Other Operations includes run off insurance lines and legacy investments. <SEP> <P3-S0> Exelon Corporation is an American Fortune 100 energy company headquartered in Chicago, Illinois. <P3-S1>  It generates revenues of approximately $34.5 billion and employs approximately 34,000 people. <P3-S2>  Exelon is the largest electric holding company in the United States by revenue, the largest regulated utility in the United States with approximately 10 million customers, and is also the largest operator of nuclear power plants in the United States. <P3-S3>  It was created in October 2000 by the merger of PECO Energy Company and Unicom, of Philadelphia and Chicago respectively. <P3-S4>  Unicom owned Commonwealth Edison. <P3-S5>  Exelon operates regulated utilities in Illinois, Pennsylvania, Maryland, Delaware, New Jersey, and Washington, DC. <P3-S6>  In October 2009, Exelon had full or majority ownership of 17 nuclear reactors in 10 nuclear power plants. Exelon has operations and business activities in 47 states, the District of Columbia and Canada and is the largest competitive U.S. power generator with approximately 35,000 megawatts of owned capacity. <P3-S7>  Exelon merged with Constellation Energy Group in March 2012 and acquired Pepco Holdings in March 2016. <P3-S8>  Exelon consists of eight main operating subsidiaries with Exelon Generation, a deregulated energy generator, Constellation, a deregulated competitive energy supplier, and six regulated utilities, Commonwealth Edison (Illinois), Philadelphia Electric Company (Pennsylvania), Baltimore Gas and Electric (Maryland), Delmarva Power & Light (Delaware and Maryland), Atlantic City Electric (New Jersey), and Potomac Electric Power Company (Washington, DC and Maryland).