About Us

Alpha Maintenance, innovative engineering

Alpha Maintenance is an engineering company providing assistance for the evolution of industrial facilities throughout their entire life cycle.

The Alpha Maintenance trademark is, concurrently:

  • proven experience in major projects ;
  • a cohesive team where individual talents can be fully expressed;
  • constant research in innovation;
  • unfailing determination to meet the growing demands of projects and clients.

Since its creation in 1986, the company has been constantly developing its methods and tools applied by its teams of experts, engineers and technicians.

It is now ranked among the leaders in maintenance engineering, operating mainly for planned shutdowns, inspection engineering studies and project management in various areas of activities (oil exploration and production, refining, petrochemical, chemical, pharmaceutical, energy…).

It also exports its know-how in its core trades abroad and, since taking over Impaqt Conseil in 2017, has been expanding these skills to process engineering, commissioning and facilities operating assistance.

Providing Support for Industrial Performance

Pursuing the path to excellence, Alpha Maintenance is building its future by constantly innovating its tools and methods and relying on the professionalism of its human resources. The motivation and skills of its employees, their adaptability, initiative and their willingness to deliver are the driving forces behind its development in order to be, and remain, the best choice for its clients.

Chiffres clés


Million Euros

Turnover generated by Alpha Maintenance in 2022



at 31/12/2022


active customers

at 31/12/2022

Our History

Opening of Alpha Maintenance Belgium.


Launch of a "Naval & Defence" activity.


Opening of new premises at Pau.


Opening of Rhône Alpes – Great East Centre.


Introduction of maintenance methods engineering activities.

Opening of Alpha Maintenance UK.


Takeover of the Impaqt Conseil trademark, diversification in process engineering, commissioning and facilities operating assistance.


Introduction of the AMtools digital suite.


Creation of an inspection department.

Alpha Maintenance becomes a fully-owned subsidiary of the Ponticelli Frères Group.


Creation of an Innovations and IT development department.

First major offshore shutdown.


Activities deployed on an international level.


First MASE certification awarded.


Creation of Normandy and southern regional centres.


First IS0 9001 version 2000 certification awarded.


Lozai and Fouré Lagadec withdraw, Alpha Maintenance becomes an independent limited company.


First major oil shutdown on the ATOCHEM site at Gonfreville l’Orcher.


Creation of Alpha Maintenance GIE by the Fouré Lagadec, Lozai and Ponticelli Frères consortium.


The Ponticelli Group

An independent family-owned private group since its creation in 1921, Ponticelli Frères is one of the leading European service providers for the energy sector (oil & gas, nuclear & renewable energy...), industry (chemical, metalworks, pharmacy, defence…) and large infrastructure projects. Ponticelli provides support for its clients all over the world, helping them to adapt their industrial tools to changes in their industry.

Everywhere, on land or at sea, Ponticelli designs, builds, upgrades and maintains their production infrastructures to guarantee long-term safety and performance.

As a contractor and expert in mechanical, piping and lifting trades, Ponticelli relies on the unmatched efficiency, resourcefulness and determination of its 5,000 employees to meet its clients most challenging requirements.

© ALPHA MAINTENANCE - Subsidiary of Ponticelli Group