John Oliver Wilson

The Ryland Group, Inc. engages in homebuilding and provision of mortgage-related financial services. It operates through the following segments: Homebuilding, Financial Services, and Corporate. The Homebuilding segment includes the sale and construction of single-family attached and detached housing, town homes, and condominiums. Its four geographically-determined Homebuilding Regions include North, Southeast, Texas, and West. The Financial Services segment includes loan origination and mortgage, title, escrow and insurance services to its homebuyers. The Corporate segment is a non-operating business unit segment whose purpose is to support operations. The company was founded by James P. Ryan and Robert J. Gaw in 1967 and is headquartered in Westlake Village, CA.

Calpine Corp. operates as power generation company, which engages in the ownership and operation of natural-gas fired and geothermal power plants. It sells power and related services to wholesale customers who include commercial and industrial end-users, state and regional wholesale market operators, and retail customers. The company was founded by Peter Cartwright in June 1984 and is headquartered in Houston, TX.