ZaNGaS Hoch- und Tiefbau GmbH
Austrian EPC contractor specialising in turn-key oil and gas midstream infrastructure, with over 100 completed projects across 23 countries.
Last updated September 29, 2026
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Overview
ZaNGaS Hoch- und Tiefbau GmbH is an Austrian engineering, procurement and construction (EPC) services provider focused on the oil and gas infrastructure sector. According to its official website, the company delivers turn-key construction services for oil and gas midstream facilities, promising on-time and cost-efficient delivery according to the highest quality standards and applying advanced technical solutions. It is part of the wider Zangas Group, whose activities also extend into exploration and production and into commodities trading. The company's core EPC scope covers pipelines (gas, oil, oil product and water), infrastructure facilities such as compressor stations, pumping stations, gas treatment plants, gas gathering stations, metering stations, block valve stations and launcher/receiving stations, power generation and distribution systems, waste recovery solutions, storage facilities including tank farms, oil depots and underground gas storage, and field development works including gas and oil treatment facilities and offshore production and exploration platforms. Its completed-projects record states that it has successfully delivered over 100 EPC projects in 23 countries on four continents, including 70 linear pipeline projects (about 6,000 km of gas pipelines, 1,000 km of oil pipelines, 2,000 km of oil product pipelines and 100 km of water pipelines), 13 big river crossings, 36 oil and gas field development projects, 230 pipeline infrastructure facilities and 14 petroleum storage facilities with a total storage capacity of 1.2 million metric tonnes. Named clients in the published project list include Gazprom in Russia, NAK Naftogas of Ukraine in Ukraine and ROM-PETTROL in Romania. Beyond construction, Zangas has historically been involved in natural gas trading, selling natural gas received as payment in kind (on a compensation basis) for the construction of gas pipelines. Today the group states that it is actively developing energy products trading and offers delivery of commodities to clients in Central and Eastern Europe to secure supply volumes at optimal prices and on favourable delivery terms. The group also describes an expansion into exploration and production, citing the Toual II project in Algeria as its direct participation in hydrocarbon exploration and field development. The company presents itself as an international contractor with experience in Europe, Asia, the Middle East and Africa. Its EPC team page lists Alexey Serebrennikov as Chief Operating Officer of Zangas Hoch-und Tiefbau GmbH, with over 20 years of experience in the oil and gas industry including managerial positions at Russian oil companies, and Viktor Golobokov as an independent consultant who has worked at managerial positions in ZaNGaS since 1989, including Chief Engineer, Director of representative offices in Bulgaria, Greece and Ukraine, Deputy General Director and Deputy Chairman of the Supervisory Board. The company is headquartered in Austria and operates through the website zangasgroup.com.
History
ZaNGaS Hoch- und Tiefbau GmbH is an Austrian-registered engineering, procurement and construction (EPC) company operating in the oil and gas infrastructure sector. Its official website presents it as an EPC services provider with a full range of turn-key construction services for oil and gas midstream facilities, delivering projects on time and cost-efficiently according to high quality standards and using advanced technical solutions. The company is part of the Zangas Group, whose stated activities span EPC services, exploration and production, and commodities trading. The company's published track record states that it has successfully completed over 100 EPC projects in 23 countries on four continents. These include 70 linear pipeline projects, comprising approximately 6,000 km of gas pipelines, 1,000 km of oil pipelines, 2,000 km of oil product pipelines and 100 km of water pipelines, as well as 13 big river crossings. It also lists 36 oil and gas field development projects, including 13 gas treatment facilities, 7 oil treatment facilities and 16 field development service packages; 230 pipeline infrastructure facilities, including 22 compressor stations, 6 pumping stations, 22 gas gathering stations, 40 metering stations and 140 block valve stations and launcher/receiving stations; and 14 petroleum storage facilities with a total storage capacity of 1.2 million metric tonnes. Named clients in the published project list include Gazprom in Russia, NAK Naftogas of Ukraine in Ukraine and ROM-PETTROL in Romania, with projects such as a gas pipeline in the Tambov region of Russia, gas pipelines in the Crimea Peninsula and the Carpathian region of Ukraine, and double-line underwater crossings of a transmission gas pipeline across the Danube in Romania. Historically, Zangas HTB GmbH was involved in natural gas trading, selling natural gas received as payment in kind (on a compensation basis) for the construction of gas pipelines. The group states that it is now actively developing energy products trading, offering delivery of commodities to clients in Central and Eastern Europe to secure supply volumes at optimal prices and on favourable delivery terms. The group has also announced an expansion into exploration and production, building on its engineering and construction expertise in the oil and gas industry; the Toual II project in Algeria is described as the company's direct participation in hydrocarbon exploration and field development. The company's EPC team page identifies Alexey Serebrennikov as Chief Operating Officer of Zangas Hoch-und Tiefbau GmbH, with over 20 years of oil and gas industry experience including managerial positions at Russian oil companies such as HC Rosneft, LukOil and UralOil Company, and a track record of EPC projects in CIS and Middle East countries. Viktor Golobokov is listed as an independent consultant who has worked at managerial positions in ZaNGaS since 1989, serving as Chief Engineer, Director of the company's representative offices in Bulgaria, Greece and Ukraine, Deputy General Director and Deputy Chairman of the Supervisory Board, with over 40 years of experience managing turn-key EPC projects in Eastern Europe, the Balkan Region and the Middle East. The company is headquartered in Austria and maintains its web presence at zangasgroup.com.
- 1989
Viktor Golobokov begins working at managerial positions in ZaNGaS, later serving as Chief Engineer and director of representative offices in Bulgaria, Greece and Ukraine.
Company completes over 100 EPC projects in 23 countries on four continents, including 70 linear pipeline projects and 36 oil and gas field development projects.
Zangas announces expansion into exploration and production, citing the Toual II project in Algeria as its direct participation in hydrocarbon exploration and field development.
Products and positioning
International EPC contractor for oil and gas midstream infrastructure, emphasising on-time, cost-efficient turn-key delivery at the highest quality standards.
Gas pipelines
Large and medium diameter gas transmission pipelines, including over 6,000 km completed.
Oil pipelines
Crude oil pipelines, including approximately 1,000 km completed.
Oil product pipelines
Refined product pipelines, including approximately 2,000 km completed.
Water pipelines
Water pipelines, including approximately 100 km completed.
Compressor stations
22 compressor stations completed as part of pipeline infrastructure.
Pumping stations
6 pumping stations completed.
Gas treatment plants
13 gas treatment facilities completed as part of field development projects.
Oil treatment facilities
7 oil treatment facilities completed.
Gas gathering stations
22 gas gathering stations completed.
Metering stations
40 metering stations completed.
Block valve stations and launcher/receiving stations
140 block valve stations and launcher/receiving stations completed.
Petroleum storage facilities
14 petroleum storage facilities with total storage capacity of 1.2 million metric tonnes.
Offshore oil and gas production and exploration platforms
Offshore platforms and offshore pipelines offered as part of field development services.
Natural gas trading
Historically selling natural gas received as payment in kind for pipeline construction; now part of group energy products trading.
Electricity trading
Commodities trading activity listed on the group website.
Fertilizers trading
Commodities trading activity listed on the group website.
Sources5 sources
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