EPC contractors and engineering companies in Kazakhstan

OPTIMUM Design Institute

Service companyAktau

A privately owned design institute in Aktau, founded in 2000, according to the company, as an independent expert and consulting firm in geology and subsoil use and renamed OPTIMUM Design Institute LLP in 2009. According to the company, the institute prepares reserves estimates and re-estimates (including PRMS assessments), exploration, trial production and field development projects, technical projects for well construction, field facilities designs and environmental documents, and also designs gas-chemical plants. State documents confirm reserves re-estimates approved by the State Commission on Reserves for the Airakty (2021), Sarybulak (2023) and Kamenskoe (2024) fields, development projects for the Matin, Kamenskoe, Sarybulak and Bukharsai fields, and two reserves and resources reports published on KASE in 2018 by the issuers KazAzot and Maten Petroleum. Public-hearing notices of 2022–2026 name the institute as project developer for QazaqGaz Exploration and Production, Kuatamlonmunai, Ken-Sary, Kom-Munai, Taiqonyr Energy, KazAzot, Kazpetrol Group and a Sinopec branch. As stated by the organisation, it holds a Ministry of Energy licence for works and services in the hydrocarbons sector (class 1) and licences for category I design, engineering surveys and environmental protection works.

Reserves estimates and re-estimates, PRMS reserves and resources assessments · Exploration projects and their addenda · Trial production and field development projects · Technical projects for well construction and well reactivation projects · +2 more

WoodKSS (Wood)

EPC / Engineering · Service companyAtyrau +2

Kazakhstan-registered joint venture of Wood (UK; owned by Sidara since 10 March 2026) and OGCC KazStroyService JSC: founded in 2007 as PSN KazStroy JSC, renamed WOOD KSS in 2021 and converted into a limited liability partnership in August 2022. Its head office is in Atyrau, with a branch in Almaty and offices in Aktau and at Tengiz. According to the company, it has more than 400 employees and provides engineering from feasibility, concept and pre-FEED studies through FEED and detailed design, including modifications of operating facilities, together with project management, EPC/EPCm delivery, asset integrity and operations support. As stated by the organisation, it holds state licences for design activity of category I (No. 22015392, first issued on 14 December 2016), construction and installation works of category I, and engineering surveys. On 29 May 2026 the company announced a new engineering and project-support contract with Tengizchevroil; it follows the master services agreement of 2019 and, as the company describes it, covers an expanded scope of specialist project management services.

Feasibility, concept-select and pre-FEED studies · Multi-discipline FEED with digital 3D design · Detailed engineering with issued-for-construction deliverables · Brownfield modifications of operating facilities · +2 more

KATEK

Service companyAlmaty

Private design and engineering company in Almaty working in gas transport and gas supply; according to the company, it has carried out engineering, design and survey work since 2000 and has more than 100 specialists. It prepares feasibility studies and working designs for trunk gas pipelines, pipeline branches, automated gas distribution stations and gas distribution networks of towns and villages, prepares the environmental sections of its own designs and provides author supervision. In the State bank of construction projects for 2021–2025 the company is recorded as general designer in 51 entries, including feasibility studies for the ethane and propane trunk pipelines in Atyrau Region for KMG PetroChem LLP, for the looping of the Karachaganak–Uralsk gas pipeline for Intergas Central Asia JSC and the adjusted feasibility study of the Saryarka gas pipeline for AstanaGas KMG JSC (all in 2024). Most of its work under state procurement is gasification of settlements for regional and district clients. Oil and gas field facilities are listed on the company's site, but are supported only by older items in its own reference list.

Feasibility studies and working designs for trunk gas pipelines and pipeline branches · Design of automated gas distribution stations (AGRS) and gas treatment points · Gas pipeline branches to CHP plants, gas-turbine and gas-piston power plants and industrial consumers · Feasibility studies of trunk pipelines for gas chemistry (ethane, propane) · +2 more

Witteveen+Bos Caspian

EPC / Engineering · Service companyAlmaty +2

Kazakhstan company of the Dutch consulting and engineering firm Witteveen+Bos — Witteveen+Bos Caspian LLP, with offices in Almaty, Atyrau and Aktau; according to the company, its first office in Kazakhstan opened in Aktau in 2001, followed by Atyrau in 2003 and Almaty in 2007. By its own description, it designs civil and marine infrastructure for oil and gas projects rather than process plant: artificial islands and ice-protection structures, marine access channels, ports and cargo offloading facilities, access roads, industrial wastewater treatment. According to the company, its experts have worked in Kazakhstan since 1997 and have designed Kashagan's islands since 1998; for Tengizchevroil it carried out, from 2012, the feasibility study, environmental impact assessment, surveys, FEED and detailed design of the Cargo Transportation Route (CaTRo), and for NCOC the design of the Kashagan marine access channels from pre-FEED to detailed design (the first phase of the channels was then planned to be operational at the end of 2021). NCOC's mandate for the front-end engineering of the channels was also reported by Energy Intelligence in April 2021. Outside oil and gas the company works on water management, urban mobility and remediation.

Design of artificial islands and ice-protection structures · Design of marine access channels, ports and cargo offloading facilities · Design of access roads and dykes · Feasibility studies, FEED and detailed design · +2 more

Aktobe-based engineering firm and KazService union member offering design and survey work, installation, testing and commissioning of electrical equipment and installations, quality-control inspection and non-destructive testing of pipeline welds, and diagnostics of oil storage tanks and pressure vessels.

Design and survey work · Electrical equipment installation · Electrical testing and commissioning · Weld non-destructive testing · +2 more

EON Energo

EPC / Engineering · ContractorAktau +1

Engineering company with an office in Aktau and a design department on the site of the Pavlodar Petrochemical Plant. According to the company, it was founded in 2005, provides design, equipment supply and construction for refining and petrochemicals, and its design department is the former in-house design office of the Pavlodar plant, which moved to KGNT in 2018, to KING in 2019 and to EON Energo in 2021. Thirteen public-hearing notices on the state portal (2021–2026) name the company as developer of documentation for the Atyrau Refinery and the Pavlodar Petrochemical Plant: expansion of a hydrogen compressor station, a coke-chamber block, off-gas compression, reconstruction of an oil metering unit. Much of the material published for these projects consists of environmental protection sections and impact reports. The 2020 licences shown on its website — design activity of category I, engineering surveys, and environmental protection works and services — are marked as re-issued in the state register; the current documents are not published on the site.

Working designs for reconstruction and revamp of refinery process units · Design of compressor and pump stations and pump cooling systems · Revamp design for process control systems of process units · Oil metering unit design · +2 more

GeoProject

Service companyAtyrau

A private design company based in Atyrau (GeoProject LLP), registered in 1998, according to the company, for work in the oil and gas sector; in its own words, it has a small permanent staff and works with partners. It prepares working designs for well facilities and oil and gas gathering systems at operating fields, and environmental design documentation: technological-standard and emission-limit projects for integrated environmental permits, waste-management programmes, environmental protection sections and reports on possible impacts. According to documents on the state public-hearings portal, in 2025–2026 the company developed working designs for Kazakhoil Aktobe LLP (Alibekmola and Kozhasai fields) and QazaqGaz Exploration and Production LLP (Airakty), environmental documentation for the Pavlodar Petrochemical Plant and Ozenmunaigas JSC, and environmental protection sections for 36 wells of the Bozoi underground gas storage of Intergas Central Asia JSC. In 2022–2024 it also prepared technical designs for drilling and restoration of wells and projects for liquidation of the consequences of exploration for small subsoil users. As stated by the organisation, it holds licences for category I design and for works and services in environmental protection.

Working designs for well facilities and oil and gas gathering systems · Technological-standard and emission-limit projects for integrated environmental permits · Environmental protection sections and reports on possible impacts · Permissible emission and discharge limit projects · +2 more

Alageum Electric is Kazakhstan's largest electrical engineering holding, uniting more than 30 enterprises that design, manufacture and install power transformers, switchgear and substations. Group companies include the Kentau Transformer Plant, and the holding has announced Kazakhstan's first factory for 220-500 kV power transformers in Shymkent.

Substation design and construction · Electrical installation and commissioning · Equipment operation and maintenance · Oil-filled and dry power transformers · +2 more

US engineering and EPC company; in Kazakhstan it is represented by the branch of Fluor Kazakhstan Inc., with an office in Atyrau. According to the company, Fluor has worked in Kazakhstan since 1982 and with Tengizchevroil since 1997. Fluor led the KPJV joint venture (with Worley, Kazakh Institute of Oil and Gas JSC and KazGiproNefteTrans Engineering Company LLP), which from 2011 carried out the FEED and, after the 2016 investment decision, the detailed engineering, procurement and construction management for the Future Growth Project – Wellhead Pressure Management Project at Tengiz; according to Fluor, the engineering was executed from its office in Farnborough, UK, with support from centres in Atyrau and Almaty. The project is complete: first oil at the Third-Generation Plant came on 24 January 2025, and Fluor announced completion and start-up on 4 March 2025. Separately, Fluor signed a framework agreement with NCOC for conceptual studies and front-end engineering (January 2017, for two years) and an engineering services agreement with KPO in consortium with the KazNIPImunaygas branch of KMG Engineering LLP (October 2019, for three years with two one-year extension options).

Front-end engineering design (FEED) · Detailed engineering · EPCM: engineering, procurement and construction management · Modularized construction management · +2 more

Kazakhstan business of the international engineering company Worley (Australia) — WorleyParsons Kazakhstan LLP, with an office in Atyrau. According to the company, Worley has worked in Kazakhstan for more than 25 years and provides FEED, detailed engineering and EPCM as well as construction, turnaround and maintenance services. On Tengizchevroil's Future Growth Project – Wellhead Pressure Management Project (FGP-WPMP) Worley was a member of the Fluor-led KPJV joint venture; the company describes its own part as FEED and detailed EPCM for the wellhead pressure management scope, carried out by its engineering centres in Atyrau, Almaty and Aktau. The Petroleum journal reported that a consortium of WorleyParsons Kazakhstan LLP and KGNT completed the FEED for stage 1 of the Karachaganak Expansion Project (KEP-1) in autumn 2019. A services framework agreement with Tengizchevroil, which the company calls long-term and which was reported by Oil & Gas Journal and World Oil, has been in effect since February 2026.

Front-end engineering design (FEED) · Detailed engineering · EPCM and project management · Field pipeline and trunkline design: routing, tie-ins, design validation (according to the company) · +2 more

PAS Group

Service company · EPC / EngineeringAktau +4

PAS Group (Power & Automation Solutions LLP), founded in Aktau in 2019, provides system integration in power supply and industrial automation, including oil and gas metering (SIKN/AGZU) and transformer substation installation. Its team draws on experience from MAEK, ABB, Schneider Electric and Emerson.

Oil and gas metering systems (SIKN/AGZU) · Transformer substation installation · Electrification and automation engineering · Metering and measurement installations

Construction NS

Service companyAktau +1

Design company based in Aktau with a second office in Astana; its own website calls it a design and construction company. The state public-hearings portal names it as the design organisation or developer in 11 notices of 2024–2026: small field-facility working designs for Mangystau producers — the Tenge, Arman, Karakuduk, Dunga and North Buzachi fields — and the environmental documents that go with them. The title page of its 2025 working design for the facilities of well No. 213 and the reconstruction of the TsPU-2 unit at the Arman field cites a category I licence, GSL No. 21016535 of 26 April 2021. The company's website covers civil design, legalisation of alterations and supervision, and says nothing about its oil and gas work.

Working designs for well facilities and gathering systems · Well modernisation and reconstruction of gathering points and oil metering units · Designs for converting production wells to injection · Environmental protection sections to working designs, including liquidation and land-reclamation projects · +2 more

SICIM

EPC / Engineering · ContractorAksai +1

Italian EPC contractor for the energy industry, working in Kazakhstan since 1999 through a Kazakh-registered subsidiary with bases in Aksai and Atyrau. At Karachaganak it has executed gas debottlenecking and gas reinjection expansion projects for KPO.

EPC of oil and gas facilities · Construction and associated procurement · Gas compression unit installation · Gas dehydration unit installation · +2 more

International EPC contractor with offices in Atyrau and Aksai, active in Kazakhstan since securing its first contract on the Kashagan field in 2004. It has delivered FEED and EPC work for Karachaganak Petroleum Operating and is part of a consortium developing an integrated petrochemical complex in the Tengiz–Karabatan area.

FEED and EPC project delivery · Process facility engineering · Offshore field development support · Project management services · +1 more

Consolidated Contractors Company (CCC)

EPC / Engineering · ContractorAtyrau +2

International engineering and construction contractor that has worked in Kazakhstan's oil and gas infrastructure for over two decades, with offices in Atyrau, Almaty and Astana. Together with Tecnimont it is building the Tengiz Gas Separation Complex for KMG PetroChem, where construction began in November 2025.

Industrial plant construction · EPC and project management · Process piping and pipeline installation · Civil and infrastructure works · +1 more

Kazakhstan company of the Italian engineering group Proger S.p.A.: Caspian Proger Engineering and Consulting LLP was opened in 2002 according to Proger, with its head office in Atyrau and a second office in Almaty. According to Proger, the company has worked on Kashagan since the experimental programme of the early 2000s; its references for Agip KCO include engineering for artificial islands A and D, the Karabatan water treatment plant and the Koshanai waste management facility, and in 2014 a new Atyrau office was opened for work with KPO and NCOC. Proger announced on 26 May 2021 that, through Caspian Proger, it had signed a five-year framework agreement with NCOC worth up to USD 20 million for multidisciplinary engineering, project management and support services at the Kashagan onshore and offshore facilities. According to the company, it employs more than 50 professionals, 40 of them local.

Multidisciplinary engineering for operating onshore and offshore facilities (according to Proger) · Project management (according to Proger) · Project support services (according to Proger) · Engineering and project management for offshore artificial islands (according to Proger) · +2 more

A private design and consulting company based in Kyzylorda (KAZHADA PROJECTS LLP); the company does not publish its founding date or any licences of its own on its site. It prepares working designs for oil-field facilities in Kyzylorda Region — pads and hook-ups of production and water-source wells, flowlines, access roads, power supply and automation, inter-field pipelines and gas pipelines — and environmental documentation: environmental protection sections, permissible emission and discharge limit projects, waste-management programmes. According to documents on the state public-hearings portal, in 2025 the company was the general design organisation of the working designs for the Khairkeldy group and Taur fields and for the South-West Khairkeldy field for KAZPETROL GROUP LLP; earlier it issued a working design for an inter-field gas pipeline for the same client (2023) and a correction of an inter-field pipeline design for Galaz and Company LLP (2024). It also prepares environmental protection sections for uranium producers — JV KATCO LLP and RU-6 LLP. According to the company, its clients also include Turgai-Petroleum JSC, CNPC-Ai Dan Munai JSC, JV Kazgermunai LLP and PetroKazakhstan Kumkol Resources JSC — without descriptions of the work or dates.

Working designs for oil-field facilities (as general design organisation) · Pads and hook-ups of production and water-source wells, flowlines · Inter-field pipelines and gas pipelines · Access roads, power supply and automation of field facilities · +2 more

Aktau-based EPC contractor and KazService union member providing construction services for industrial facilities in the oil and gas sector.

Industrial facility construction · EPC contracting

TKJV (Technip Energies)

EPC / Engineering · Service companyKaraganda +3

Kazakhstan-registered joint venture of Technip Energies (France) and the Karaganda Promstroyproekt Institute LLP (KPSP), created in 2019; according to Technip Energies, the partners hold equal shares. Its head office is in Karaganda and, according to the company, it has branch offices in Atyrau, Aksai and Almaty. According to the company, it provides conceptual studies, pre-FEED, FEED and detailed engineering for operating fields, as well as project management consultancy (PMC). In July 2021 Technip Energies reported a five-year frame agreement between TKJV and NCOC for the Aktote, Kairan and Kashagan fields, from conceptual studies to pre-FEED; on 18 June 2024 Technip Energies, through TKJV, signed a five-year services frame agreement with Karachaganak Petroleum Operating, from consulting and concept to detailed engineering. A state public-hearing notice for a hearing on 22 June 2026 names TKJV as the developer of the design documentation for the tie-in and hook-up of well 98102 at the Karachaganak field.

Conceptual, feasibility and concept-select studies · Field master plans (with Genesis) (according to the company) · Pre-FEED engineering · FEED and basic engineering · +2 more

Enka

Contractor · EPC / EngineeringBautino +2

Turkish construction and engineering group with offices in Almaty and Atyrau and an industrial-zone facility in Bautino, Mangystau Region. In Kazakhstan it has installed mechanical, electrical and instrumentation systems for Tengizchevroil's expansion projects and executed civil, mechanical and commissioning works on NCOC's Kashagan D Island facilities.

Mechanical and electrical installation · Instrumentation and control systems installation · Civil and marine construction · Commissioning support