KKR is a private equity firm based in New York City. Its diverse investment portfolio currently holds stakes in dozens of companies, including Alliance Boots, Del Monte Foods, Dollar General, Go Daddy, and Toys R Us.
AOL, formerly known as America Online, is a digital media company with global web properties including Huffington Post, Engadget, Moviefone, Patch and many more.
EchoStar manufactures and sells set-top boxes for televisions, including Slingbox. It also provides the satellite services for the DISH network.
Stewart Information Services
Stewart Information Services provides title insurance and escrow services in countries around the globe. It is based in Houston, TX.
Leucadia National is a diversified holding company based in New York, NY. Its portfolio includies companies ranging from Hard Rock Hotel and Casino to National Beef Packing to the recently purchased investment bank Jefferies & Co.
Inergy is an energy conglomerate based in Kansas City, MO that primarily provides transportation and storage for natural gas. It is structured as a master limited partnership.
D.R. Horton is one of the largest home builders in the U.S. Based in Fort Worth, TX, it has recently benefited from the recovery of the housing market.
Toll Brothers is also a home builder that's seen a boom in business as the housing market recovers. It focuses on the luxury home market in urban areas.
OfficeMax is an office supplies retailer that's in the process of merging with Office Depot.
Based in Waltham, MA, PerkinElmer provides technology products and services for the human health and environmental health markets, such as diagnostic tools, medical imaging components and software.
US Airways Group
US Airways is an airline company based in Tempe, AZ. In February, it announced plans to merge with American Airlines to form the largest airline group in the world.
Science Applications International Corporation, SAIC, is a defense company that provides wide-ranging services for the Department of Defense, the National Security Agency, and other government agencies, in addition to a number of private sector companies.
Crane is a diversified industrial products company that manufactures goods for industries from aerospace to food and beverages to construction. It's also one of the major suppliers of vending machines.
Sirius XM Radio
Sirius XM Radio is a satellite radio services giant that was formed by the 2008 merger of Sirius and XM.
Lennar is a home builder based in Miami, Florida, that's enjoying a rebound from the housing recovery.
Northern Tier Energy
Northern Tier is an oil refiner with operations mostly in the Midwest. It also operates a convenience store and gas station chain called SuperAmerica, primarily in Wisconsin and Minnesota.
CDW supplies technology and services to businesses. Currently owned by private equity investors, the company in March announced plans for an IPO.
Auto Owners Insurance provides a number of different types of insurance, including auto.
Universal Forest Products
Universal Forest Products is a lumber company that manufactures wood and wood-alternative products for builders.
Annaly Capital Management
Annaly Capital Management is one of the largest mortgage real estate investment trusts (REITs) in the country.
Allison Transmission Holdings
Allison Transmission manufactures transmissions for commercial vehicles, such as buses, fire trucks, and military vehicles.
Newmont Mining mines gold in the U.S., South America, Australia, and Africa, among others.
Alleghany is a holding company that was originally formed for the railroad industry. Today its businesses are primarily in the insurance and real estate industries.
NBTY manufactures vitamins and other nutritional supplements.
Calumet Specialty Products
Calumet manufactures oils, waxes and other lubricants primarily for the energy industry and is based in Indianapolis, IN.