As an international subsidiary of the Annex GROUP specializing in the energy sector, Annex Petroleum & Gas Services has been working at the heart of energy production infrastructures for several decades, designing, installing, starting up and maintaining them, while ensuring the best possible conditions in terms of safety, costs, lead times and quality.
With over 4,300 employees of 64 different nationalities working in 22 countries in Europe, Africa, Asia-Pacific and the Middle East, Annex Petroleum & Gas Services offers its customers from the oil, gas and renewable energy industries sustainable solutions in the following areas: well delivery & management, projects, engineering & construction, assessment & competency development, commissioning & start-up, operations, maintenance & asset integrity.
Our international presence
Annex Petroleum Services is locally present as close as possible to its customers
Annex Petroleum Services, Sucursal em Angola
Annex Tecnicos de Angola
Avenida Comandante Kima-Kyenda, N°309 Boavista - Luanda - ANGOLA
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Administrative Center
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Workshop Center
Annex Petroleum Services Congo
Base Industrielle, Zone de la Foire BP 316, Pointe-Noire - CONGO
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Administrative Center
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Workshop Center
Annex Petroleum Services Gabon
B.P. 579, Base DPS, rue Andrée GALLAIS Port-Gentil - GABON
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Administrative Center
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Workshop Center
P. O. Box CT6548 Cantonments
Silver Star Tower (Floor 2), Airport city, Accra, GHANA
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Administrative Center
Annex Petroleum Services Mozambique
Avenida Marginal, n°141 Torres Rani, Office Tower Cidade de Maputo - MOZAMBIQUE
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Administrative Center
Annex Services Nigeria Ltd
Process and Pipelines Services Annex Saudi Limited
Riyadh Diriyah Street:
Khlediyah Dist.
Saudi Arabian
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Administrative Center
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Excellence Center
Annex Services Saudi Ltd
Riyadh Diriyah Street:
Khlediyah Dist.
Saudi Arabian
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Administrative Center
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Learning Center
Annex Plexal
Perth, 6000, WA, Australia
Annex Petroleum Services Annex Plexal
Level 2, 140 St Georges Terrace Perth, 6000, WA Australia
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Administrative Center
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Excellence Center
Annex Petroleum Services (Thailand) Ltd
Bangladesh Branch Jabbar Tower, 9th Floor 42, Gulshan Avenue, Road # 135 Gulshan Circle-1, Dhaka-1212, Bangladesh.
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Administrative Center
Annex Petroleum Services - Malaysia Sdn Bhd
Jalan Raja Chulan 50200 Kuala Lumpur, Malaysia
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Administrative Center
Annex Petroleum Services ASP Korea
#224, 129 T-plex, 3153-1, Daeje-2-dong Gangseo-gu Busan 46721 South Korea
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Administrative Center
Annex Petroleum Services (Thailand) Limited
1010, Shinawatra Tower III 18th Floor, Unit 1801 Vibhavadi Rangsit Road, Chatuchak Bangkok 10900 Thailand
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Administrative Center
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Excellence Center
Careers Combining our differences
Annex Petroleum & Gas Services is committed to promote diversity. All positions are opened to people with disabilities.
You may be a seasoned professional looking to move to a dynamic, innovative organisation, or you could earn while you learn and join us as a Graduate, Professional Trainee or an Apprentice. If you have drive, ambition and a desire to work hard, then Annex offers a fantastic chance to build a career within any of the disciplines we cover!
Our markets
Annex Petroleum & Gas Services deploys its solutions on the Oil & Gas and Power Generation Markets
Oil & Gas
We deploy our solutions on our customers’ oil and gas installations
- Upstream
- Midstream
- Downstream
Power Generation
We deploy our solutions to energy producers, whatever their source:
- Offshore wind farms
- Hydrogen
- Solar panels
Our Solutions
Annex Petroleum & Gas Services deploys its solutions in:
Operations, Maintenance & Asset Integrity
Commissioning & Start-Up
Project Engineering & Construction Solutions
Assessment & competency development
