NMOS Ltd ​

National for  Maintenance And Oil Services.

NMOS Ltd is a leading International Engineering company providing mechanical, electrical, instrumentation, transforming and renovation, and fire protection services located in the United Kingdom has been implemented and is currently executing several projects with General Electricity Company of Libya (GECOL) and National Oil Cooperation (NOC).



NMOS is considered as one of the reliable contractor in Africa, capable of competing in the Petroleum, energy and industrial market sectors, in accordance with its defined business plan strategies. With its highly skilled professionals, and its powerful management tools, NMOS is committed to deliver construction projects according to:

■ Project Quality chart   ■ Project cost   ■ Project Time    ■  schedule-Project HSE policy

NMOS is equipped with performant and a solid management system, which allow the management for real-time control of project logistics and project budget.

NMOS has both the experience and capability to design and build world class facilities for the Petroleum, energy and industrial sectors.»



Our Services

Happy Clients

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For almost three decades, NMOS has established its own organizational culture, whose human capital is the most valued and appreciated asset. NMOS employs over 1000 collaborators. The work environment in NMOS is based on Leadership, Devotion, Innovation, Creativity and Competitiveness. Therefore, NMOS has set some guidelines to its information system users, who shall comply with the integrity and confidentiality measures mentioned in the ISMS policy. It has also been committed to a set of QHSE principles so as to maintain profitability and a sustainable development of the company services.


To have an efficient quality management system, we commit, as general direction .

■ To assure all necessary material and immaterial means”

■ To value the efficiency of this system while

■ To review the efficiency level once per year and evaluate based on circumstances for lesson to learn.

■ To imply routine actions to assure the continuous improvement

■ To imply all the staff in the realization of these objectives


■ Steel construction: piping & pipelines, boilers supply & installation, storage tanks .

■ Mechanical maintenance & installation.

■ Plant maintenance

■ Procurement & supply

■ Engine and Equipment rental

■ Projects management and follow up.

■ Marine services: inspection and installation.


NMOS has as reference of supply for several projects through a well known manufacturer.
NMOS applies itself to develop an expert designer’s know-how, proposing complete solutions in the supplying of big “turnkey” projects.

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