Contreras Hermanos S.A.I.C.I.F.A.G.Y.M., operating as Contreras or CONTRERAS, is a leading Argentine engineering and construction company with over 75 years of experience in energy, hydrocarbons, mining, and infrastructure projects.
Founded in 1947 in Zapala, Neuquén Province, by the Contreras brothers as Contreras Hermanos SRL, the firm has evolved into a major contractor specializing in the design, engineering, procurement, and construction of pipelines, compressor stations, industrial facilities, roads, and mining infrastructure. It has built more than 6,200 km of pipelines for oil, gas, liquids, water, and concentrates, along with associated facilities across Argentina and select Latin American markets.
The company operates primarily from its headquarters in Buenos Aires, with regional offices in Neuquén and other locations. It maintains a presence in Bolivia, Brazil, Chile, and Uruguay through past projects. Contreras emphasizes integrated project delivery from concept to startup, adhering to international standards including ISO certifications for quality, safety, and environment.
It is a family-controlled entity with historical connections to a related firm, Víctor Contreras, formed as a split in the 1970s. In the industry, Contreras serves as a key local partner for international consortia on large-scale energy infrastructure, notably as part of the joint venture awarded the EPC contract for the 527 km, 48-inch gas pipeline and parallel liquids line in the Argentina LNG Vaca Muerta FLNG Development project, supporting Vaca Muerta shale gas export initiatives alongside partners Pumpco and Bonatti.
Also known as Contreras Hermanos SRL.
chemXplore tracks 1 project involving Contreras, of which one is active.
Contreras's role on them: EPC.
1 new construction.
Contractors, licensors, and offtakers are recorded on this project For subscribers
Targeting: Butane (1), Ethane (1), Natural gas (1), Natural gas condensates (petroleum) (1), Propane (1)
Argentina targets global LNG supply; first phase 12 Mtpa from Vaca Muerta with YPF and Eni partnership, promising over 40,000 jobs and export revenues.
Seeks RIGI status to enable an integrated LNG export chain using Vaca Muerta gas, with two FLNG units totalling 12 MTPA offshore Río Negro; FID targeted end‑2026.
Acquires 32% of three Vaca Muerta blocks to feed 12 MTPA LNG capacity via two 6 MTPA floating units; deal completion subject to regulatory approvals.
The agreement advances a 12 mtpa LNG project in Argentina, initiating FEED and aiming for a final investment decision by late 2026.
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