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Marun Petrochemical Company

Marun Petrochemical Company is an Iranian integrated petrochemical producer centered on ethylene, polyethylene, and ethylene oxide and glycol products.

Last updated August 31, 2026

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Overview

Marun Petrochemical Company, also known as Marun Petrochemical or M.P.C., is an Iranian petrochemical producer based in Mahshahr, Khuzestan. The company was established on January 21, 1999, through cooperation among Iran's National Petrochemical Company, the Oil Company Pension Fund, and Polymer Pooshineh Industrial Group. Its industrial complex was developed as an integrated production chain linking ethane recovery, olefin production, and downstream polymer and chemical units. The company operates across two principal locations. Its upstream ethane-recovery facility is situated at Koreyt Camp near Ahvaz, on the Ahvaz–Mahshahr road. That installation recovers ethane and supplies feedstock to the company's olefin operations. The feedstock is transported through a pipeline of approximately 95 kilometers to the Petrochemical Special Economic Zone at Bandar Imam Khomeini. Marun's second major site occupies part of Site 2 in that zone and contains the olefin plant, downstream production units, and supporting services. The two-site arrangement allows Marun to connect feedstock recovery with large-scale petrochemical conversion. Construction of the company's olefin complex, known as the Seventh Olefin Project, began in 2000. Marun began operating in 2006, and the olefin unit was formally inaugurated during a ceremony attended by Hassan Rouhani, then serving as president of Iran. The start-up placed Marun among Iran's significant olefin producers and established ethylene as the central intermediate for its downstream manufacturing system. In 2008, during Iran's privatization program, the National Petrochemical Company transferred the company's ownership and management to the private sector. Marun's reported production system includes an olefin plant, low-density polyethylene and high-density polyethylene plants, a polyphenol plant, and ethylene oxide/ethylene glycol facilities. The olefin unit functions as the core of the complex, supplying intermediates to downstream operations. The individual units use different technical licenses; the LDPE unit, for example, has been associated with technology licensed by Stamicarbon, a company linked to SABIC. The portfolio gives Marun exposure to both commodity petrochemicals and polymer materials used in industrial manufacturing. The company has also attracted scrutiny because of its reported institutional ownership and commercial relationships. SATA, the Armed Forces Social Security Investment Company, is identified as Marun's primary institutional shareholder and is controlled by Iran's Ministry of Defense and Armed Forces Logistics. In June 2022, the United States Treasury Department designated Marun in connection with alleged sales of Iranian petrochemical products and transactions involving Triliance, a broker that U.S. authorities described as supporting financing for Iran's Islamic Revolutionary Guard Corps. In February 2023, the Treasury Department identified several entities associated with Marun, including Laleh, Marun Tadbir Tina, Marun Sepehr Ofogh, and Marun Supplemental Industries, in a sanctions-related network action. These measures affect the company's international commercial and financial environment, but the available reference material does not establish a complete account of its current operating performance, sales, or corporate financial results.

History

Marun Petrochemical Company was established in Khuzestan Province on January 21, 1999. Its formation involved the National Petrochemical Company, the Oil Company Pension Fund, and Polymer Pooshineh Industrial Group. The project was conceived as a large integrated petrochemical complex rather than as a single downstream factory. Its design connected ethane recovery in the Ahvaz area with olefin production and several downstream chemical and polymer units near Bandar Imam Khomeini. The complex was built across approximately 102.5 hectares divided between two locations. The upstream site at Koreyt Camp, approximately 15 kilometers along the Ahvaz–Mahshahr road, occupies about 9.5 hectares and is responsible for recovering ethane and preparing feedstock for the olefin unit. A pipeline of approximately 95 kilometers links this site to the Petrochemical Special Economic Zone at Bandar Imam Khomeini. The second site, occupying about 93 hectares in Site 2 of the zone, contains the olefin plant, downstream units, and auxiliary infrastructure. Construction of the olefin facility began in 2000 under the Seventh Olefin Project. The project reached operational status in 2006, roughly seven years after the company's establishment. Its formal inauguration was attended by Hassan Rouhani, who was then president of Iran. The olefin plant became the central production unit in Marun's industrial chain, generating feedstock for polyethylene and other chemical operations. Marun's reported units include low-density polyethylene, high-density polyethylene, polyphenol, olefin, and ethylene oxide/ethylene glycol plants, as well as ultrasonic testing facilities. Each plant has its own technical licensing arrangements. The LDPE facility has been associated with a Stamicarbon license, with Stamicarbon described in the reference material as connected to SABIC. This combination of upstream recovery, olefin conversion, and downstream processing allows the company to manufacture both intermediate chemicals and polymer products. In 2008, as part of Iran's broader privatization policies, the National Petrochemical Company transferred Marun's ownership and management to the private sector. The available material does not provide a complete ownership chronology after that transfer, but identifies SATA, the Armed Forces Social Security Investment Company, as Marun's primary institutional shareholder. SATA is controlled by Iran's Ministry of Defense and Armed Forces Logistics, giving the company an important connection to Iran's state and defense-linked investment structure. Marun's international profile has been shaped partly by sanctions. In June 2022, the U.S. Treasury Department designated Marun in a measure aimed at Iranian petrochemical exports. The department alleged that Marun supplied products worth millions of dollars to Triliance, a broker that U.S. authorities associated with financing the Islamic Revolutionary Guard Corps. In February 2023, Treasury identified four entities associated with Marun—Laleh, Marun Tadbir Tina, Marun Sepehr Ofogh, and Marun Supplemental Industries—in a further sanctions-network action. U.S. Department of Justice forfeiture documentation has also been cited in relation to the broader Triliance network and alleged flows of petrochemical proceeds toward the IRGC and IRGC-Quds Force. These are allegations and government enforcement claims; the supplied material does not include a detailed response from Marun or a full account of subsequent legal outcomes.

  • 2008

    Ownership and management transferred to private sector

    [1]

    The National Petrochemical Company transferred Marun's ownership and management to the private sector as part of Iran's privatization policies.

  • 2006

    Operations commence

    [1]

    Marun began operations, with the olefin unit formally inaugurated during a ceremony attended by Hassan Rouhani, then president of Iran.

  • 2000

    Seventh Olefin Project begins

    [1]

    Construction began on the olefin complex that would become the core of Marun's integrated production system.

  • 1999

    Company established

    [1]

    Marun Petrochemical Company was established in Khuzestan through cooperation among the National Petrochemical Company, the Oil Company Pension Fund, and Polymer Pooshineh Industrial Group.

Products and positioning

An integrated Iranian petrochemical complex combining ethane recovery, olefin production, and downstream polymer and chemical manufacturing.

  • Petrochemical intermediates · 2006

    Olefin products

    The olefin plant is the central unit of the Marun complex. It receives ethane-derived feedstock from the Koreyt Camp recovery facility and produces intermediates for downstream manufacturing. Its position in the production chain allows Marun to connect upstream feedstock preparation with polyethylene and ethylene oxide/ethylene glycol operations.

  • Polymer

    Low-density polyethylene

    Marun's LDPE unit produces a polyethylene resin from olefin-derived feedstock. The unit is associated with a Stamicarbon technical license, described in the source material as linked to SABIC. LDPE is generally used in flexible and molded plastic applications, although the supplied references do not specify Marun's individual grades or end-market mix.

  • Polymer

    High-density polyethylene

    The HDPE unit is part of Marun's downstream polymer manufacturing system. It converts petrochemical intermediates into a higher-density polyethylene material used across industrial and consumer plastic applications. Specific grades, capacities, and customer sectors are not identified in the supplied reference material.

  • Specialty chemicals

    Polyphenol products

    Marun's reported production complex includes a polyphenol plant. The available references confirm the presence of this unit but do not provide detailed product specifications, brand names, capacities, or principal end uses.

  • Industrial chemicals

    Ethylene oxide and ethylene glycol

    The ethylene oxide/ethylene glycol facilities use olefin-derived intermediates to produce industrial chemical products. These units broaden Marun's portfolio beyond commodity polymers. The supplied material does not state individual product grades, annual capacities, or sales channels.

Controversies

  • 2023

    Entities associated with Marun named in sanctions network action

    Treasury identified Laleh, Marun Tadbir Tina, Marun Sepehr Ofogh, and Marun Supplemental Industries in a sanctions-related network action concerning alleged routes for proceeds from Iranian petrochemical sales.

  • 2022

    U.S. sanctions over alleged petrochemical sales involving Triliance

    The U.S. Treasury Department designated Marun Petrochemical Company, alleging that it supplied millions of dollars' worth of petrochemical products to Triliance, a broker that Treasury associated with financing the Islamic Revolutionary Guard Corps.

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