Contreras

What Contreras does

Contreras Hermanos S.A. is an Argentine, family-owned engineering, procurement, and construction (EPC) firm founded in 1947 in Zapala, Province of Neuquén, by the Contreras brothers, with corporate headquarters currently in Buenos Aires. The company conceives, plans, and executes large-scale infrastructure projects for the hydrocarbons, energy, mining, and transport sectors, with documented operating presence in Argentina, Uruguay, Brazil, Bolivia, and Chile. Its reported technical track record includes more than 6,300 kilometers of constructed pipelines and 217,800+ HP installed across 37 compression plants, alongside offshore works, electromechanical assemblies, mining infrastructure, and road construction, with capability to execute at altitudes up to 4,200 meters and in the Strait of Magellan.

The company's service portfolio is organized around five core product lines: pipelines (oil, gas, water, mineral concentrate transportation and distribution), compression plants (greenfield and expansion projects), offshore works (submarine pipeline installation, monobuoy terminals, riser fabrication), tanks and electromechanical assemblies (storage tanks up to 50,000 m3, PAD facilities, CPF packages), and oilfield services and maintenance (conduction lines, batteries, manifolds, injection/treatment plants, civil works). These capabilities are certified to ISO 9001:2015 (quality), ISO 14001:2015 (environment), and ISO 45001:2018 (occupational health and safety) by SGS, and the company holds nuclear-grade qualifications (CNAII Quality Class II, III, 4a, 4b) from Nucleoeléctrica Argentina S.A. Primary customers include state-owned and international oil & gas majors (YPF, ENARSA, Petrobras, Total Austral, Shell, Vista Oil & Gas, Pan American Energy, TGS, Tecpetrol), mining majors (Goldcorp, Vale, Anglo American, Río Tinto Lithium), and Argentine national and provincial government agencies.

Revenue is generated through project-based EPC contracts awarded via competitive tendering or direct negotiation with large enterprise and government clients; pricing is quote-based and not publicly disclosed. The company maintains offices in Buenos Aires (CABA, headquarters), Don Torcuato, Neuquén, and Salta in Argentina, plus Uruguay and Brazil, with current headcount in the 1,001-5,000 range (down from 3,000+ at the 2007 60th anniversary). Recent strategic emphasis has shifted toward energy-transition and unconventional hydrocarbon infrastructure, including the Salliqueló Compressor Plant construction started in 2023 for ENARSA, the EXAR lithium plant in Jujuy, and ongoing Vaca Muerta unconventional development work for Tecpetrol, Vista, and Shell.

Name

Contreras

Legal name

Contreras Hermanos S.A.

Website

https://contreras.com.ar

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

1,001–5,000 employees

Short description

Contreras Hermanos S.A. is an Argentine, family-owned EPC firm founded in 1947 that constructs pipelines, compressor plants, offshore terminals, and mining and road infrastructure for oil & gas, mining, and government clients across South America.

Ownership category

akta.pro rank

Product category

Oil & Gas Engineering and Construction Services

NAICS

Architectural, Engineering, and Related Services (5413), Engineering Services (541330), Mining and Oil and Gas Field Machinery Manufacturing (33313), Oil and Gas Field Machinery and Equipment Manufacturing (333132)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623), Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Process Plant & Materials Handling EPC (Crushing, Conveying, Stockpiles, Loadout) (IMAKAOAE)

akta.pro secondary industries

Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ), Power Plant Electrical Systems EPC (Switchyard, Transformers, Protection & Controls) (EUAEAAAM), Civil & Site Works EPC (Earthworks, Roads, Drainage, Foundations) (EUAEADAA), Transmission Interconnection & Line Works (Gen-Tie Lines, Overhead/Underground Lines) (EUAMAFAF)

Keywords

• Pipeline construction services
• Compressor plant engineering
• Offshore construction services
• Oil and gas EPC
• Mining infrastructure construction

Headquarters

HQ city

Buenos Aires

HQ country

Argentina

HQ region

Latin America

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. EPC Contracts for Construction Projects: Engineering, procurement, and construction (EPC) contracts for pipelines, compressor plants, electromechanical assemblies, offshore works, mining infrastructure, and road construction. Revenue is project-based and one-time per contract.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Contreras provides integrated engineering, procurement, and construction (EPC) services for the hydrocarbons, energy, mining, and infrastructure sectors across South America. Its core offerings include pipeline design and construction for oil, gas, water, and mineral concentrate, engineering and installation of gas compression plants, offshore pipeline and terminal works, electromechanical assembly and tank construction, and oilfield services and maintenance in producing areas. Projects are delivered as one-time, quote-based contracts awarded through competitive tendering to enterprise customers and government agencies in Argentina, Uruguay, Brazil, Bolivia, and Chile.

Product overview

Contreras is an engineering and construction company offering a portfolio of specialized services for the energy, mining, and infrastructure sectors. The core offerings include Pipeline construction (over 6,300 km of pipelines constructed), Compression Plants (217,800+ HP at 37 plants), Offshore Works, Tanks and Electromechanical Assemblies, and Oilfield Services. These services are delivered as standalone project offerings focused on the hydrocarbons, energy, mining, and infrastructure industries across Latin America.

Differentiator

Problem solved

Functional benefit

Products and services

• Pipelines
• Compression Plants
• Offshore Works
• Tanks and Electromechanical Assemblies High-capacity design combined with careful planning of resources and supplies and specialized construction capacity for tanks and electromechanical assemblies. Targeted at oil and gas, mining, and industrial customers requiring large-scale storage and mechanical infrastructure.
• Services and Maintenance in Oil-Producing Areas Oilfield services including assembly and disassembly of conduction lines, construction of surface facilities (batteries, manifolds, injection plants, treatment plants, tanks), site and road construction, civil works, and mechanical and electrical maintenance. Targeted at oil and gas operators with producing fields.
• Engineering Services Integrated engineering services supporting project conception, planning, design, and execution across pipelines, compressor plants, offshore works, tanks, mining infrastructure, and civil works. Targeted at enterprise and government clients requiring full EPC delivery.
• Infrastructure Construction Works Large-scale infrastructure construction including road and rail works, gas distribution networks for municipalities, and provincial infrastructure. Targeted at government agencies and private operators.
• Road and Railway Construction Works Construction of road and railway infrastructure including provincial and national routes, double-track road systems, and interurban road networks. Targeted at government road authorities and concessionaires.
• Mining Works and Services Construction of mining infrastructure including mine access roads, retaining walls, processing plant construction, lithium carbonate production plants, and ancillary facilities. Targeted at international and regional mining companies operating in Argentina.

Quantifiable outcome

• 6,300+ km of pipelines constructed; leaders in South America for pipeline design and execution
• +2 more outcomes

Named customers23 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• BechtelcoreStrategic or Co-development PartnerAssociated with Bechtel (California, USA), a world leader in the market, for the extension of a polyduct between Córdoba and Mendoza. This partnership dates to the 1970s-1980s period and demonstrates the company's ability to collaborate with global engineering giants on complex cross-border infrastructure projects.
• Spiecapag (France)minorStrategic or Co-development PartnerJoint development of the pipeline system in Campo Incahuasi in the Camiri area of Bolivia. The partnership leverages Spiecapag's international pipeline expertise with Contreras's regional experience in South America.
• Boskalis International BVcoreStrategic or Co-development PartnerBoskalis is the client for the New Pipeline Crossing of the Strait of Magellan project, described as the second crossing 30 years after the first. This is a flagship offshore project involving submarine gas pipeline installation.
• SargominorStrategic or Co-development PartnerParticipated with Sargo in the construction of the Campo Durán gas pipeline in Salta to San Lorenzo in Santa Fe, which was considered a milestone project due to its size and complexity during the 1950s-1960s.
• Consorcio del Este S.A.minorStrategic or Co-development PartnerJoint venture created for the construction and operation of the Montevideo/Punta del Este double-track road system, consolidating the company's presence in Uruguay.
• Caminos del Valle S.A. (UTE)minorStrategic or Co-development PartnerUnión Transitoria de Empresas (UTE) created for the construction, conservation, and operation of the interurban road system between Cipolletti and Neuquén cities in Argentina.
• Aconcagua Bioceánico ConsortiumminorStrategic or Co-development PartnerIncorporated into the Aconcagua Bioceánico Consortium for the development of the binational corridor between Argentina and Chile, representing strategic cross-border infrastructure development.

Scale indicators5 records

Recent moves12 records

Expansion highlights6 records

Broad incumbents

• McDermott International: Global EPC contractor for offshore and onshore energy infrastructure with strong offshore pipeline and subsea execution capability. Relevant peer for Contreras's offshore works and large-diameter pipeline tenders.
• Petrofac: U.K.-listed international EPC and operations services provider for the oil & gas and energy infrastructure sectors. Competes for similar midstream and compressor station scopes in Latin America and globally, with a broader geographic and service reach.
• Saipem: Italy-headquartered global EPC contractor for oil & gas, offshore, and energy transition projects. Comparable at the offshore pipeline and large compression/pipeline scale, though operating at much greater breadth across geographies and project sizes.
• Boskalis International: Dutch marine services and offshore contractor with subsea pipeline installation capability. Comparable on the offshore pipeline side of Contreras's portfolio (e.g., Strait of Magellan crossing); broader scope across dredging and maritime services.
• Bechtel Corporation: U.S.-headquartered global engineering, procurement, and construction firm with extensive energy infrastructure capability. Historic partner with Contreras on the Córdoba-Mendoza polyduct and a credible competitor for large Argentine and regional mega-projects.

Direct peers

• SACDE (formerly Skanska Latin America): Argentine EPC contractor specializing in pipeline construction, compressor plants, and energy infrastructure across the Southern Cone. Direct competitor for the same YPF- and government-tendered project pipeline that Contreras targets.
• Techint Engineering & Construction: Argentine-founded, Latin America-headquartered EPC firm delivering pipelines, compressor plants, and energy infrastructure across the region. Most directly comparable to Contreras on geography, customer base (YPF, Petrobras, regional operators), and portfolio of oil & gas and mining projects.
• Spiecapag (VINCI Construction): France-based international pipeline EPC contractor and current joint venture partner with Contreras on the Bolivia Incahuasi project. Comparable as a cross-border pipeline specialist competing for South American trunk line and gas pipeline tenders.

Regional players

• Mas Errazuriz (Besalco group construction): Chilean EPC firm executing energy, mining, and infrastructure works including pipeline and mining infrastructure projects. Comparable in Latin American regional scope and mining EPC capability, though primarily serving Chilean and Chilean mining majors.

Others

• Tenaris (Techint subsidiary): Global steel pipe manufacturer serving the oil & gas and energy sectors. An adjacent supplier into the same Argentine oil & gas midstream value chain as Contreras, and a sibling company within the Techint industrial group rather than a direct competitor.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/contreras-hnos-s.a.

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Contreras