Enron Corporation was an American energy, commodities, and services company based in Houston, Texas. It was founded by Kenneth Lay in 1985 as a merger between Lay's Houston Natural Gas and InterNorth, both relatively small regional companies. Before its bankruptcy on December 2, 2001, Enron employed approximately 20,600 staff and was a major electricity, natural gas, communications, and pulp and paper company, with claimed revenues of nearly $101 billion during 2000. Fortune named Enron "America's Most Innovative Company" for six consecutive years.
Toshiba Corporation is a Japanese multinational electronics company headquartered in Minato, Tokyo, Japan. Its diversified products and services include power, industrial and social infrastructure systems, elevators and escalators, electronic components, semiconductors, hard disk drives (HDD), printers, batteries, lighting, as well as IT solutions such as quantum cryptography which has been in development at Cambridge Research Laboratory, Toshiba Europe, located in the United Kingdom, now being commercialised. It was one of the biggest manufacturers of personal computers, consumer electronics, home appliances, and medical equipment. As a semiconductor company and the inventor of flash memory, Toshiba had been one of the top 10 in the chip industry until its flash memory unit was spun off as Toshiba Memory, later Kioxia, in the late 2010s.
The Carlyle Group Inc. is a multinational private equity, alternative asset management and financial services corporation based in the United States with $376 billion of assets under management. It specializes in private equity, real assets, and private credit. It is one of the largest mega-funds in the world. In 2015, Carlyle was the world's largest private equity firm by capital raised over the previous five years, according to the PEI 300 index. In the 2023 ranking however, it had slipped to fifth place.
KKR & Co. Inc., also known as Kohlberg Kravis Roberts & Co., is an American global investment company that manages multiple alternative asset classes, including private equity, energy, infrastructure, real estate, credit, and, through its strategic partners, hedge funds. As of December 31, 2023, the firm had completed more than 730 private equity investments in portfolio companies with approximately $710 billion of total enterprise value. As of December 31, 2023, assets under management (AUM) and fee paying assets under management (FPAUM) were $553 billion and $446 billion, respectively.
Schlumberger NV, doing business as SLB, also known as Schlumberger Limited, is an American oilfield services company. As of 2022, it is both the world's largest offshore drilling company and the world's largest offshore drilling contractor by revenue.
Baker Hughes Company is an American energy company based in Houston, Texas. As one of the world's largest oil field services companies, it provides products and services for oil well drilling, formation evaluation, completion, production, and reservoir consulting. It operates in over 120 countries, with research and manufacturing facilities in Australia, Singapore, Malaysia, India, Dubai, Saudi Arabia, Italy, Germany, Norway, Oklahoma, Louisiana and Missouri. From 2017 to 2020, the company was majority owned by General Electric (GE); however, GE no longer owns an economic stake in the company. The company is incorporated in Delaware.
Hertz Global Holdings, known as Hertz, is an American car rental company based in Estero, Florida. The company operates its namesake Hertz brand, along with the brands Dollar Rent A Car, Firefly Car Rental and Thrifty Car Rental.
Brookfield Corporation is a Canadian multinational company that is one of the world's largest alternative investment management companies, with over US$725 billion of assets under management in 2022. It focuses on direct control investments in real estate, renewable power, infrastructure, credit and private equity. The company invests in distressed securities through Oaktree Capital, which it bought in 2019. Brookfield's headquarters are in Toronto. It also has corporate offices in New York City, London, São Paulo, Mumbai, Shanghai, Dubai, and Sydney.
Jefferies Group LLC is an American multinational independent investment bank and financial services company that is headquartered in New York City. The firm provides clients with capital markets and financial advisory services, institutional brokerage, securities research, and asset management. This includes mergers and acquisitions, restructuring, and other financial advisory services. The Capital Markets segment also includes its securities trading and investment banking activities.
Cerberus Capital Management, L.P. is an American global alternative investment firm with assets across credit, private equity, and real estate strategies. The firm is based in New York City, and run by Steve Feinberg, who co-founded Cerberus in 1992, with William L. Richter, who serves as a senior managing director. The firm has affiliate and advisory offices in the United States, Europe and Asia.
Frontier Communications Parent, Inc. is an American telecommunications company. Known as Citizens Utilities Company until 2000, Citizens Communications Company until 2008, and Frontier Communications Corporation until 2020, as a communications provider with a fiber-optic network and cloud-based services, Frontier offers broadband internet, digital television, and computer technical support to residential and business customers in 25 states. In some areas it also offers home phone services.
United Rentals, Inc is an American publicly traded company; it is the world's largest equipment rental company, with about 16 percent of the North American market share as of 2022. It owns the largest rental fleet in the world with approximately 4,700 classes of equipment totaling about $19.3 billion in original equipment cost (OEC) as of 2022. The company has a combined total of 1,625 locations, including an integrated network of 1,504 rental locations in North America, 38 in Europe, 23 in Australia and 19 in New Zealand. In North America, the company operates in 49 U.S. states and Puerto Rico and in every Canadian province. In 2017, United Rentals' revenue totaled more than $6.64 billion, with over $1.35 billion in profit. It is ranked #424 on the Fortune 500, and #1183 on the Forbes Global 2000 list of the world's largest public companies.
SemGroup Corporation was a publicly-traded company engaged in natural gas, petroleum, and propane pipeline transport. It was organized in Delaware and headquartered in Tulsa, Oklahoma. In December 2019, the company was acquired by Energy Transfer LP.
Weatherford International plc, an American–Irish public limited company, together with its subsidiaries, is a multinational oilfield service company and one of the largest companies in the world in oil services. Weatherford is a company providing equipment and services used in the drilling, evaluation, completion, production, and intervention of oil and natural gas wells. Many of the company's businesses, including those of predecessor companies, have been operating for more than 50 years.
BJ Energy Solutions was founded in 1872 as the Byron Jackson Company in Woodland, California, by inventor Byron Jackson.
Macquarie Group Limited is an Australian global financial services group. Headquartered and listed in Australia, Macquarie employs more than 20,000 staff in 34 markets, is the world's largest infrastructure asset manager and Australia's top ranked mergers and acquisitions adviser, with more than A$871 billion in assets under management.
John Wood Group plc, commonly known as Wood, is a British multinational engineering and consulting business with headquarters in Aberdeen, Scotland. It is listed on the London Stock Exchange as well as being a constituent of the FTSE 250 Index.
Patterson-UTI Energy provides land drilling and pressure pumping services, directional drilling, rental equipment and technology to clients in the United States and western Canada.
Digital Currency Group (DCG) is a venture capital company focusing on the digital currency market. It is located in Stamford, Connecticut. The company has the subsidiaries Foundry, Genesis, Grayscale Investments, and Luno. It also formerly owned CoinDesk.
Gibsons is a Canada-based midstream oilfield service company in the oil and gas industry. Its assets include pipelines, oil storage facilities, as well as a refinery in Moose Jaw. It is listed on the Toronto Stock Exchange.
