GVA’s area of expertise lies within offshore and marine engineering. Our customers are oil companies, drilling companies, offshore service companies, ship yards, design & engineers, etc.
Over the years, GVA has developed good relationships with a number of companies, shown here below are only a few of them.

StatoilHydro is an international integrated energy company, based in Norway. The company is the leading operator on the Norwegian continental shelf (NCS) and has operations in 40 countries. StatoilHydro has a strong values-based culture for performance, has high ethical standards and shows care for the environment and society. The group's employees are recognised for their motivation, ability to cooperate and a will to accept challenges.


DSME, established in 1973 at Okpo Bay, Geoje Island, on the southeastern tip of the Korean Peninsula, has developed into the world's premium specialized shipbuilding and offshore contractor that builds various vessels, offshore platforms, drilling rigs , floating oil production units, submarines, and destroyers.


ExxonMobil is the world’s largest publicly traded international oil and gas company. We hold an industry-leading inventory of global oil and gas resources. We are the world’s largest refiner and marketer of petroleum products. And our chemical company ranks among the world’s largest. But we are also a technology company, applying science and innovation to find better, safer and cleaner ways to deliver the energy the world needs.


With a workforce of nearly 100,000 employees, BP operates globally, with business activities and customers in more than 100 countries across six continents.

Every day, we serve millions of customers around the world. To put this in perspective, our businesses and brands – among them BP, Castrol, ARCO, Aral, Ultimate, Connect and am/pm – reach nearly as many consumers as Wal-Mart, the world’s largest retailer.



Petroserv was incorporated in 1978 and had since become one of the leaders in the field of Engineering and Industrial Trading, winning and concluding major contracts awarded in Qatar. Petroserv is a representative and an agent of many well known International companies from all over the world.



Petroleum and natural gas are two indispensable sources of energy. Our mission is to secure the supply of these resources through exploration resulting in new discoveries. INPEX is actively engaged as a project operator, conducting successful explorations in Indonesia and Australia.