Hushang Ansary

Stewart & Stevenson LLC designs, manufactures and markets oil and gas equipment. It offers products and services to a variety of industries such as agriculture, construction and industrial, marine, material handling, military and government, mining, oil and gas, on-highway and transportation, power generation, and rail. The company was founded in 1902 and is headquartered in Houston, TX.

Part of Parman Holding Corp., Parman Capital Investments Ltd. is an investment group.

Parman Capital Group LLC provides investment consultancy services. The firm owns and operates subsidiaries that operate in the oil and gas equipments manufacturing sector. The company was founded in 1982 and is headquartered in Houston, TX.

Ennia Caribe Holding NV provides insurance services. Its services include reporting damage, extra services and advices. The company was founded in 1948 and is headquartered in Willemstad, the Netherlands.

The International Crisis Group (United States) is a non-profit organization that aims to prevent and resolve deadly conflicts around the world. The non-profit company is based in Washington and was founded in 1995 by Morton I. Abramowitz. The organization conducts research, provides analysis, and advocates for policies that promote peace and stability in areas of conflict. The American company works with governments, international organizations, and local communities to find sustainable solutions to crises and prevent the escalation of violence. Robert Malley has been the CEO of the company since 2018.

National Oilwell, Inc., is a company which designs, manufactures and markets mechanical components for both land and offshore drilling rigs as well as land drilling and well servicing rigs. The company has it's headquarters in Houston, Texas. It is a subsidiary of National Oilwell Varco, Inc.

IRI International Corp. manufactures land-based drilling and well-servicing rigs and rig component parts. It designs manufactures, sales and lessees onshore and offshore oilfield equipment for the domestic and international markets. The company is headquartered in Houston, TX

National Iranian Oil Co. engages in the exploration, drilling, production, research and development, refining, distribution and export of oil, gas, and petroleum products. The company was founded in 1951 and is headquartered in Tehran, Iran.