Oil & gas contractors and suppliers — Mangystau Region

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

A privately owned design organisation in Aktau working on subsurface project documents. According to the company (its website has not been updated since July 2013), it was formed in December 2000 on the basis of the geology and oil and gas field development department of the Engineering Centre of Mangistaumunaigaz JSC and in 2001–2009 prepared project and research documents for all 15 fields of that company. According to the company, it prepares reserves estimates and re-estimates, prospecting and exploration projects, trial production and field development projects with geological and reservoir simulation models, technical projects for well construction, conservation and liquidation projects and environmental documents. State portals confirm work for subsoil users in Mangystau and Atyrau regions: the centre is named as the author of the addenda to the development projects for the West Sagiz and Asanketken fields and of the Asanketken reserves re-estimate for Jasyl Energy (2024–2025), of group technical projects for well construction at the Karaturun fields for Buzachi Neft (2025–2026), and of the reserves estimate and trial production project for the Shalva field (2011–2016). As stated by the organisation, it holds licences for the design of mining production and for environmental protection works.

Estimates and re-estimates of oil, gas and associated component reserves · Trial production projects, field development projects and their addenda · Group and individual technical projects for well construction · Projects for liquidating the consequences of subsoil use · +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

GeoMunaiResurs (GMR)

Service companyAktau +1

GeoMunaiResurs (GMR) is a 100%-Kazakhstani geophysical service company headquartered in Aktau, founded in 2011 and licensed for well-logging work. It provides open- and cased-hole well logging, production and hydrodynamic research, geological-technological investigations during drilling and perforation work, with a branch office in Aktobe.

Open-hole well logging · Cased-hole well logging · Production and hydrodynamic research · Geological-technological investigations · +1 more

MCQ Company KZ

Distributor / Supplier · Service companyAktau

Aktau-based engineering company registered in 1997 that serves as Flowserve's Kazakhstan sales channel for pumps, valves and mechanical seals (the flowserve.kz domain redirects to its site), and also provides installation, commissioning, maintenance and personnel training for oil and gas facilities. It states it has carried out equipment works at several compressor and pipeline pump stations.

Installation and commissioning · Technical maintenance and support · Personnel training · Flowserve pumps · +2 more

OzenMunaiService is a KazMunayGas group well-servicing company in Zhanaozen, formed in 2016 by merging the Zhondeu and KRUZ subsidiaries; its roots go back to a formation productivity and workover department set up in 1972. It performs capital workover of wells for Ozenmunaigas through several workover shops and also provides engineering services, production supply bases and motor transport.

Capital well workover (KRS) · Well servicing · Engineering and technical services · Production supply base services · +1 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

Oil Services Company (OSC) is an Aktau-based oilfield service company of the KazMunayGas group operating in Mangystau region. It provides drilling and development of oil and gas wells, capital and underground well repair, chemical treatment of oil production processes and transport services. The company was formed in 2001 and in 2002 absorbed the local service enterprises Shegendeu, Khimremontskvazhina and Burgyshy.

Well drilling and development · Capital well workover (KRS) · Underground well repair (PRS) · Bottomhole zone chemical treatment · +2 more

South-Eastern Service Group (UVSG)

Service companyAktau +2

Aktau-based well service contractor founded in 2007 that performs current and capital well workovers, cementing, production enhancement and emergency well recovery on wells 400–5,000 m deep. It operates more than 20 workover crews, over 40 mobile units with 32–132 t lifting capacity and more than seven production bases in the Mangystau, Aktobe and Kyzylorda regions. Since 2023 it has also worked for SOCAR at the Karadag gas storage facility in Azerbaijan.

Current well workover · Capital well workover · Well cementing · Production enhancement treatments · +2 more

Kaskor-Mashzavod

Manufacturer · Service companyAktau

Machine-building plant in Aktau founded in 1990, producing oilfield and petrochemical equipment since 1997. It manufactures tubing (pump-compressor pipe), above-ground and underground storage tanks, wellhead and line heaters, and pipes and fittings to API standards, and also repairs oilfield and chemical equipment. Its production is certified to API Spec Q1, API Spec 5CT and the ASME 'U' stamp.

Repair of oilfield and petrochemical equipment · Custom fabrication to customer specifications · Tubing (pump-compressor pipe) · Above-ground and underground storage tanks · +2 more

Manufacturer of steel tanks and metal structures based in Oral (West Kazakhstan), also presenting itself in Aktau and Atyrau. It designs, fabricates and installs vertical (РВС) and horizontal (РГС) steel storage tanks, underground vessels and hot-water accumulator tanks, as well as building and bridge metal structures and mobile cabin units, applying corrosion-protection and fireproof coatings in-house.

Design of tanks and metal structures · Installation of tanks and metal structures · Corrosion and fire-protection coating · Vertical steel tanks (РВС) · +4 more

KazMorTransFlot (KMTF)

Service companyAktau

KazMorTransFlot (KMTF) is Kazakhstan's national maritime shipping company, established in 1998 and now a subsidiary of KazMunayGas. Based in Aktau, it operates the country's flagged fleet of Aframax tankers, container vessels, dry-cargo ships and support tugs, providing crude-oil transshipment and marine transport on the Caspian Sea.

Crude oil transshipment · Tanker transport · Container shipping · Dry-cargo shipping · +1 more

MAG-Pi Inspection

Service companyAktau

Caspian-region NDT and inspection company established in 1991, with offices in Baku, Aktau and Tbilisi. It entered Kazakhstan in 2007 and has worked on Kashagan, Karachaganak and Tengiz-related projects. Services cover conventional and advanced NDT, third-party inspection, integrity management, corrosion monitoring and mechanical testing.

Conventional NDT (UT, RT, MT, PT, eddy current, hardness) · Advanced NDT (PAUT, TOFD, digital radiography, MFL, drone inspection) · Third-party and welding inspection · Integrity management and risk-based inspection · +2 more

Aktau-based engineering company founded in 2004 that installs, repairs and services heat-power and process equipment, and manufactures and repairs heat-exchange units for industrial clients. It works with large and mid-sized enterprises in the oil and gas, energy and food-processing sectors and holds ISO 9001 certification.

Heat-power equipment installation · Process equipment repair · Heat exchanger manufacturing and repair · Equipment maintenance service · +1 more

Kazakhstani occupational health, safety and environmental training provider founded in 2007, headquartered in Atyrau with offices in Astana, Almaty and Aktau. It delivers accredited safety training and consulting, holding accreditations from NEBOSH, IOSH, OPITO and IEMA, including NEBOSH IGC and IOSH Managing Safely and Vision Zero courses, and reports having trained over 270,000 learners.

Occupational safety training · NEBOSH and IOSH accredited courses · HSE consulting · Technical translation services · +1 more

Borkit Safety

Manufacturer · Distributor / SupplierAtyrau +5

Atyrau-headquartered manufacturer and supplier of personal protective equipment and workwear, founded in 2002, with about 343 employees and offices across Kazakhstan including a location at the Tengiz field. It makes and supplies protective clothing, respiratory protection, gas detectors and related safety gear, reporting around 1.8 million units produced in 2023.

PPE selection consulting · Protective workwear · Respiratory protection equipment · Gas detectors · +1 more

Uzenpromgeofizika (UPGF) is a Zhanaozen-based geophysical well-logging company founded in 1994, working across the Mangystau, Atyrau and Aktobe regions on fields including Uzen, Zhetybai, Tenge and Karamandybas. It provides open-hole wireline logging, perforation, drilling-support geological-technological investigations, reservoir and production monitoring, and caliper surveys.

Open-hole wireline logging · Perforation with shaped-charge tools · Geological-technological investigations · Production and reservoir monitoring · +1 more

Kazakhstan healthcare group founded in 2000 with a first medical centre in Almaty and now headquartered in Astana. Since 2008 its industrial medicine division has organised medical care at enterprises and production sites, alongside medical assistance, occupational health and preventive medical examinations. It lists presence in Atyrau, Aktau, Oral and Aksai among other cities.

Industrial medicine at enterprise and field sites · Occupational health services · Preventive and periodic medical examinations · Corporate medical assistance programmes · +1 more

Global manufacturer of steel pipes and related services for the energy industry, working in Kazakhstan since 2004. Through Tenaris Global Services Kazakhstan LLP it operates a premium threading facility in Aktau, presented to customers in 2016 (about USD 40 million invested, around 45,000 t of OCTG per year), which threads seamless pipe with gas-tight TenarisHydril connections and applies Dopeless® technology. The plant supports long-term supply agreements with KPO, TCO and other operators.

OCTG threading · Field service support · Supply chain logistics · Technical and commercial support · +3 more

UralNefteGazServis (UNGS) is an Atyrau-based scientific-production enterprise founded in 2013, providing geological-geophysical and engineering-geological well studies across the Atyrau, Mangystau and West Kazakhstan regions. Its services span open-hole logging, geological-technological research, perforation, hydrodynamic well testing, acid stimulation and repair-isolation workover.

Open-hole well logging · Geological-technological research · Perforation and explosive operations · Hydrodynamic well testing · +2 more